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    2. ISOMET聲光調制器, 聲光偏轉器, 聲光移頻器, AOTF, 聲光可調諧濾波器

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      ISOMET聲光調制器, 聲光偏轉器, 聲光移頻器, AOTF, 聲光可調諧濾波器

      ISOMET聲光調制器, 聲光偏轉器, 聲光移頻器, AOTF, 聲光可調諧濾波器

       

      ISOMET公司主要生產各種聲光器件,包括聲光調制器, 聲光偏轉器, 聲光移頻器, AOTF, 聲光可調諧濾波器。

      聲光調制器件由聲光介質和壓電換能器構成。當驅動源的某種特定載波頻率驅動換能器時,換能器即產生同一頻率的超聲波并傳入聲光介質,在介質內形成折射率變化,光束通過介質時即發生相互作用而改變光的傳播方向即產生衍射。聲光調制是一種外調制技術,通常把控制激光束強度變化的聲光器件稱作聲光調制器。聲光調制技術比光源的直接調制技術有高得多的調制頻率;與電光調制技術相比,它有更高的消光比(一般大于1000:1),更低的驅動功率,更優良的溫度穩定性和更好的光點質量以及低的價格;與機械調制方式相比,它有更小的體積、重量和更好的輸出波形。

      All AO devices feature a piezo-electric transducer bonded to one face of a crystal material. When an RF drive signal is applied to this transducer, a travelling acoustic wave is generated in the crystal. Due to the photo-elastic effect the acoustic column produces a periodic change in the refractive index, similar in effect to the slits of a diffraction grating. Practical AO devices are designed such that a high proportion of the incident laser light is diffracted into a single output order. This is operation in the Bragg regime.

      ISOMET聲光調制器, 聲光偏轉器, 聲光移頻器, AOTF, 聲光可調諧濾波器

      Bragg diffraction requires a defined interaction length (L), and the laser light to be input at a specific angle. The Bragg and separation angles are a function of the optical wavelength, the RF drive frequency and the crystal acoustic velocity (V). Some AO crystal types require the input beam to be polarized.
      The RF drive frequency determines the output angle of the diffracted beam and the RF power determines the beam intensity. These are the basic control mechanisms of AO modulators and deflectors.

       

      聲光調制器 Acousto-optics Modulators

      Acousto-optic modulators (AOM) are used to control laser beam intensity.

      This can be simple ON:OFF modulation for fast switching or variable level modulation to provide proportional intensity control. These modes are determined by the RF driver type; digital or analog modulation respectively (or a combination of both).

      The RF drive frequency is typically fixed and the RF amplitude is modulated accordingly.

      The optical rise and fall time is defined by the laser beam diameter in the AOM and the crystal acoustic velocity. For high modulation rates, the beam will need to be focused at the AOM.

      Model
      Crystal Material
      Active App(mm)
      Typical Risetime (ns)
      Typical Modulation Freq. (MHz)
      Center Freq. (MHz)
      Suggested Driver
      Fixed or Variable Frequency
      Feature
      Single Beam Modulators: UV - Blue
      M1062-FS40L-5.5
      Fused Silica
      5.5
      600
      0.6
      40
      Fixed / Variable
      M1211-aQ110-5U
      Quartz
      5
      570
      0.6
      110
      Fixed / Variable
      Low WF Distortion
      M1211-aQ150-3U
      Quartz
      2.7
      230
      1.5
      150
      Fixed / Variable
      Low WF Distortion
      M1212-aQ150-2
      Quartz
      2
      113
      6
      150
      Fixed / Variable
      UV
      M1134-FS80L
      Fused Silica
      3
      109
      3
      80
      Fixed / Variable
      M1136B-FS80L-H
      Fused Silica
      2001/2/3
      108
      10
      80
      Fixed / Variable
      M1088-FS110L
      Fused Silica
      3
      109
      3
      110
      Fixed / Variable
      UV
      M1133U-aQ110L
      Quartz
      1
      57
      6
      110
      Fixed / Variable
      UV
      M1211-aQ150-2U
      Quartz
      2
      57
      6
      150
      Fixed / Variable
      UV
      1206C-2-1002
      TeO2
      2
      30
      12
      110
      Fixed / Variable
      NUV, VIS 
      M1211-aQ150-2U
      Quartz
      2
      25
      14
      150
      Fixed / Variable
      UV 
      M1212-aQ175
      Quartz
      1
      20
      18
      175
      Fixed / Variable
      UV
      1206C-833
      TeO2
      1
      15
      25
      110
      Fixed / Variable
      NUV, VIS 
      M1212-aQ200
      Quartz
      0.8
      10
      30
      175
      Fixed / Variable
      UV
      1250C-829A
      TeO2
      0.45
      9
      40
      260
      Fixed / Variable
      NUV, VIS
      Single Beam Modulators: Blue - Red
      OAM1020
      TeO2 (S)
      3
      2000
      0.2
      110
      Fixed / Variable
      OAM1060
      TeO2 (S)
      2
      1000
      0.3
      80
      Fixed / Variable
      M1115-FS80L-3
      Fused Silica
      3(H)x14(W)
      170
      2
      80
      Fixed / Variable
      M1133-aQ80L
      Quartz
      1.5 / 2
      114
      3
      80
      Fixed / Variable
      M1201E-SF40-1.7
      Glass
      1.7
      46
      8
      40
      Fixed / Variable
      1205C-x
      PbMo04
      2001/2/3
      25
      15
      80
      Fixed / Variable
      M1211-aQ110-3
      Quartz
      2.7
      57
      6
      110
      Fixed / Variable
      Low WF Distortion
      1206C
      PbMo04
      1
      15
      25
      110
      Fixed / Variable
      1206C-833
      TeO2
      1
      15
      25
      110
      Fixed / Variable
      1206C-2-1002
      TeO2
      2
      30
      12
      110
      Fixed / Variable
      1250C
      PbMo04
      0.75
      10
      40
      200
      Fixed / Variable
      1250C-829A
      TeO2
      0.45
      9
      40
      260
      Fixed / Variable
      1250C-848
      TeO2
      0.5
      7
      50
      200
      Fixed / Variable
      1250C-974
      TeO2
      0.4
      7
      50
      200
      Fixed / Variable
      M1067-T200L
      TeO2
      0.2
      7
      50
      200
      Fixed / Variable
      1260C
      TeO2
      0.2
      6
      100
      350
      Fixed / Variable
      Single Beam Modulators: NIR
      M1312-T80L
      TeO2
      6
      700
      0.5
      80
      Fixed / Variable
      Hi Pwr
      1202-4
      Glass
      4 x 14(W)
      350
      1
      40
      Fixed / Variable
      1203-3
      Fused Silica
      3 x 14(W)
      350
      1
      60
      Fixed / Variable
      M1099-T80L
      TeO2
      3
      300
      1.2
      80
      Fixed / Variable
      M1135-T80L
      TeO2
      3
      300
      1.2
      80
      Fixed / Variable
      Hi Pwr
      M1137-SF40L
      Glass
      1.5
      191
      2
      40
      Fixed / Variable
      M1133-aQ80L
      Quartz
      1
      114
      3
      80
      Fixed / Variable
      M1201E-SF40-1.7
      Glass
      1.7
      90
      4
      40
      Fixed / Variable
      M1080-T80L
      TeO2
      1.5
      80
      4
      80
      Fixed / Variable
      1205C-1023
      PbMo04
      0.6
      50
      7
      80
      Fixed / Variable
      M1142-SF80L
      Glass
      0.5
      40
      10
      80
      Fixed / Variable
      1205C-x-NIR
      PbMo04
      0.5
      30
      12
      80
      Fixed / Variable
      1205C-843
      PbMo04
      0.5
      25
      15
      80
      Fixed / Variable
      1206C-NIR
      PbMo04
      1
      20
      18
      110
      Fixed / Variable
      1250C-868
      TeO2
      0.5
      15
      23
      150
      Fixed / Variable
      1250C-NIR
      PbMo04
      0.75
      12
      30
      200
      Fixed / Variable
      Single Beam Modulators: Mid IR - IR
      1210-G(fc)-H-MIR
      Ge
      2,4
      240
      10
      60- 105
      Fixed / Variable
      M1208-G80-4-MIR
      Ge
      4x8
      500
      10
      80
      Fixed / Variable
      New version of 1208-6-4-MIR
      M1189-G40-4
      Ge
      4
      470
      0.7
      40
      Fixed / Variable
      M1208-G40-3
      Ge
      3x8
      350
      1
      40
      Fixed / Variable
      New version of 1208-4-955M
      1209-7-1064M
      Ge
      7x14
      830
      0.4
      40
      Fixed / Variable
      1209-7-1112M
      Ge
      7x14
      830
      0.4
      40
      Fixed / Variable
      1209-9-1010M
      Ge
      9x20
      940
      0.4
      40
      Fixed / Variable
      AOM650-H
      Ge
      7,8,9x30
      830
      0.4
      50
      Fixed / Variable
      AOM640-H
      Ge
      7,8,9x30
      830
      0.4
      40
      Fixed / Variable
      AOM740-H
      Ge
      7,8,9x30
      830
      0.4
      40
      Fixed / Variable
      M1199-G40-H
      Ge
      7,8,9x30
      700
      0.5
      40
      Fixed / Variable
      Pulsed lasers
      M1310-G40-H
      Ge
      7,8,9x30
      700
      0.5
      40
      Fixed / Variable
      Pulsed lasers
      M1315-G40
      Ge
      6,7,8,9x15
      700
      0.5
      40
      Fixed / Variable
      M1192-G40-12
      Ge
      12 x 30
      1200
      0.3
      40
      Fixed / Variable
      Large aperture
      Dual Beam Modulators
      AOM650-9
      Ge
      9 x 30
      600
      0.6
      40 / 60
       
      M1199-G50-9
      Ge
      9 x 30
      600
      0.6
      40 / 60
        Pulsed lasers
      DBM1172-G41-9
      Ge
      9 x 20
      600
      0.6
      43 / -43
       
      DBM1186-G54-9
      Ge
      9 x 20
      600
      0.6
      54 / -54
       
      DBM1199-G54-9
      Ge
      9 x 20
      600
      0.6
      54 / -54
       
      Multichannel Modulators
      Model
      Channels
      Material
      Active Aperture (mm)
      Typical Risetime (ns)
      Information Bandwidth (MHz)
      Center Freq. (MHz)
      Feature
      M1140
      4
      PbMoO4
      0.7
      25
      15
      110
      G7060
      6
      Ge
      0.8
      70
      5
      70
      M8080
      8
      PbMoO4
      0.5
      55
      6
      80
      M9080C
      8
      PbMoO4
      0.7
      36
      9
      90
      colinear o/p
      M15080
      8
      Quartz
      0.7
      70
      5
      110
      Modulators with Integrated Driver
      Model
      Std A/R
      Optical Material
      Max Aperture (mm)
      Typical Risetime (ns)
      Typical Modulation Freq. (MHz)
      Center Freq. (MHz)
      Mod
      IMAD-P80L
      VIS
      PbMo04
      1.5
      25
      15
      80
      Analog
      IMDD-P80L
      VIS
      PbMo04
      1.5
      25
      15
      80
      Digital
      IMAD-T110L
      405nm
      TeO2
      1.5
      25
      15
      110
      Analog
      IMDD-T110L
      405nm
      TeO2
      1.5
      25
      15
      110
      Digital
      IMAA-P80L
      VIS
      PbMo04
      1.5
      25
      15
      80
      Amp Only

       

      聲光移頻器 Frequency Shifters

      All AO devices apply a frequency shift to the diffracted output beams. Acousto-optic frequency shifters (AOFS) are compact devices designed specifically for this task. Depending on the selected Bragg angle, these devices will either up-shift or down-shift the laser light by the frequency of the applied RF signal. Two or more devices can be cascaded in order to achieve sum or difference frequency combinations. Compound absorber angles are incorporated to minimize acoustic reflections.

      Model
      Std A/R
      Crystal Material
      Active App (mm)
      Centre Freq(MHz)
      Tuning BW (MHz)
      Suggested Driver Fixed or Variable Frequency
      Feature
      OAM1059-V31
      633nm
      TeO2 (S)
      1.5
      +/-10
      +/- 0.5
      Fixed / Variable
      + and - shift
      OAM1059A
      633nm
      TeO2 (S)
      1.5
      15
      +/- 1.0
      Fixed / Variable
      FS1303-TxxxR-J2
      NIR
      TeO2 (S)
      2
      xxx
      +/- 1.0
      Fixed / Variable
      OAM1141-TxxS-2
      633nm
      TeO2 (S)
      2
      40 / 80
      +/- 1.0
      Fixed / Variable
      M1136A-FS40S-1
      UV
      FS (S)
      1
      40
      +/- 5
      Fixed / Variable
      1205C-1-869
      633nm
      PbMo04
      0.7
      80
      +/- 15
      Fixed / Variable
      1205-1054
      VIS
      PbMo04
      1
      80
      +/- 5
      Fixed / Variable
      M1141-P80-1
      VIS
      PbMo04
      1
      80
      +/- 5
      Fixed / Variable
      1205-1118
      VIS,NIR
      PbMo04
      2
      80
      +/- 5
      Fixed / Variable
      M1136B-FS80L-H
      UV
      FS (L)
      1/2/3
      80
      +/- 5
      Fixed / Variable
      1206C
      VIS,NIR
      PbMo04
      1
      110
      +/- 25
      Fixed / Variable
      1205-1069
      VIS
      PbMo04
      1
      160
      +/- 5
      Fixed / Variable
      1250C
      VIS,NIR
      PbMo04
      0.75
      200
      +/- 50
      Fixed / Variable
      1250C-829A
      NUV,VIS
      TeO2
      0.45
      260
      +/- 50
      Fixed / Variable
      OPP-1
      VIS
      PbMoO4
      1.5
      300
      +/- 100
      Fixed / Variable
      1260C
      NUV,VIS
      TeO2
      0.2
      350
      +/- 100
      Fixed / Variable
      1209-7-1064M
      IR
      Ge
      6
      40
      +/- 10
      Fixed / Variable
      1210-G-(fc)-H-MIR
      Mid-IR
      Ge
      2,4
      60 / 105
      +/- 10
      Fixed / Variable
      M1208-G80-3
      IR
      Ge
      3
      80
      +/- 2.5
      Fixed / Variable

       

      聲光偏轉器 Deflectors

      AO deflectors can be used to scan a laser beam. This is achieved by changing the RF drive frequency. Random position, continuous line scans and sequential spot deflection are all possible. Scan rates in excess of 250KHz can be achieved depending on the crystal, wavelength and beam size.

      Optimum efficiency requires that the input laser beam is set at the Bragg angle which is a function of the drive frequency. When swept to scan the laser beam there will be Bragg angle mismatch since the AOD can only be optically aligned at one drive frequency. In general this will cause a reduction in efficiency depending on the scan range. Several techniques may be used to minimize this effect:

      • Off-axis AO deflectors (“OAD”) minimize the Bragg angle - frequency sensitivity by exploiting non-linear characteristics of birefringent crystals.
      • Beam steered AO deflectors (“-BS”) electronically steer the acoustic column inside the crystal depending on the RF drive frequency. This requires a phased array electrode on the transducer with 2 or 4 RF inputs.

       

      Model
      A/R Coating
      Material
      Rayleigh Res'n 1 2
      Aperture (mm)
      Sweep BW (MHz)
      Center Freq. (MHz)
      Feature
      Deflectors UV - Blue
      D1211-aQ110-5
      UV
      Quartz
      70
      5 x 10
      40
      110
      D1340-XY-aQ110-5
      UV
      Quartz
      35 x 35
      5 x 5
      40
      110
      Dual Axis
      D1155-T75S
      405nm
      TeO2 (S)
      140
      9
      10
      75
      1206C-2-1002
      NUV, VIS
      TeO2
      100
      2 x 9
      50
      110
      Deflectors Blue - Red
      1205C-2-804B
      VIS
      PbMoO4
      66
      2 x 6
      30
      80
      LS55-V
      VIS
      TeO2 (S)
      450
      2 x 7
      40
      80
      LS110A-VIS
      VIS
      TeO2 (S)
      1100
      4 x 14
      50
      100
      LS110A-VIS-XY
      VIS
      TeO2 (S)
      750x750
      9 x 9
      50
      100
      Dual Axis
      OAD948 
      488nm
      TeO2 (S)
      600
      3 x 8
      50
      100
      OAD1020
      532nm
      TeO2 (S)
      600
      2 x 8
      50
      100
      1206C-2-1002
      NUV, VIS
      TeO2
      77
      2 x 8
      50
      110
      OPP834
      VIS
      PbMoO4
      520
      0.7 x 19
      100
      200
      1250C-BS-960A
      VIS
      PbMoO4
      160 
      1.5 x 6 
      120
      190 
      D1135-T180L
      VIS
      TeO2
      95
      3 x 8 
      50
      175 
      Deflectors - Near IR
      OAD1550-XY
      1550nm
      TeO2 (S)
      200 x 200
      7 x 7
      20
      40
      LS110A-NIR
      NIR
      TeO2 (S)
      550
      4 x 14
      25
      50
      LS110A-NIR-XY
      NIR
      TeO2 (S)
      240 x 240
      6 x 6
      25
      50
      1205C-x-804B
      NIR
      PbMoO4
      66
      2 x 6
      40
      80
      OAD1121-XY
      810nm
      TeO2 (S)
      500 x 500
      9 x 9
      40
      80
      LS55-NIR
      NIR
      TeO2 (S)
      450
      2 x 7
      40
      80
      D1312-T80L
      NIR
      TeO2
      40
      6
      30
      80
      D1086-T110L
      NIR
      TeO2
      95
      3 x 8
      50
      110
      Conduction cooled
      D1135-T110L
      NIR
      TeO2
      95
      3 x 8
      50
      110
      1250-BS-926
      NIR
      PbMoO4
      60
      0.5 x 3
      70
      145
      1250C-BS-943A
      NIR
      PbMoO4
      190
      2 x 6
      120
      185
      Deflectors Mid IR - IR
      1209-7BS-986
      IR
      Ge
      50
      7 x 14
      20
      40
      D1315-G50-H
      IR
      Ge
      70
      7 x 20
      20
      50
      AOM650-H
      IR
      Ge
      100
      7 x 30
      20
      50
      D1199-G50
      IR
      Ge
      100
      7 x 20
      20
      50
      D1208-XY-50-3
      IR
      Ge
      10 x 10
      3 x 3
      40
      70
      LS700-1011
      IR
      Ge
      436
      10 x 60
      40
      70

       

      可調濾光片Tunable Filters

      Acousto-optic diffraction requires momentum matching between light and sound (acoustic) waves in the crystal material. For the AO laser beam modulator, momentum matching is maximized when the input beam is aligned at the Bragg angle. AOTF applications are different. Unlike the modulator case, AOTF’s are frequently used with non-coherent, poorly collimated light and require large apertures with wide acceptance angles. To accommodate these demands, AOTF’s utilize non-linear properties of birefringent crystals. The crystal orientation and acoustic launch angle are designed such that diffraction occurs over a very narrow wavelength range for a very specific RF frequency. In fact it is so specific that multiple simultaneous frequencies can be applied to an AOTF without excessive intermodulation. This allows controlled wavelength mixing.
      The acoustic launch angle and incident angle are related by design and together define the AOTF characteristics.

      Model
      Spectral Range (um) 
      Active Aperture (sq. mm)
      Acceptance Angle (Deg.)
      Optical BW (nm)
      Drive Frequency (MHz)
      Visible Tunable Filters
      AOLF615-1049
      VIS
      2.5x2.5
      3.5 - 4.5
      1.0 - 6.0
      109 - 65
      AOLF615-1082
      VIS
      2.5x2.5
      3.5 - 4.5
      1.0 - 6.0
      109 - 65
      AOTF614-08
      VIS,NIR
      5x5
      3.5 - 6.0
      1.0 - 22.0
      140 - 35
      AOTF614-16
      VIS,NIR
      5x5
      2.5 - 4.2
      0.6 - 11.0
      140 - 35
      AOTF614-24
      VIS,NIR
      5x5
      3.5 - 6.0
      0.4 - 7.0
      140 - 35
      AOTF1331
      mid-IR
      7x7
      5
      30 - 50
      24 - 39
      AOTF1110-VB
      VIS,NIR
      10x10
      5.7 (nominal)
      Variable
      80 - 50
      NIR - IR Tunable Filters
      AOTF614-08
      VIS,NIR
      5x5
      3.5 - 6.0
      1.0 - 22.0
      140 - 35
      AOTF614-16
      VIS,NIR
      5x5
      2.5 - 4.2
      0.6 - 11.0
      140 - 35
      AOTF614-24
      VIS,NIR
      5x5
      3.5 - 6.0
      0.4 - 7.0
      140 - 35
      AOTF920-14
      NIR
      5x5
      3.4 - 6.1
      2.0 - 27.0
      95 - 26
      AOTF920-20
      NIR
      5x5
      2.6 - 4.9
      1.5 - 18.5
      95 - 26
      AOTF920-24
      NIR
      5x5
      2.8 - 5.0
      1.0 - 15.5
      95 - 26
      AOTF1331
      mid-IR
      7x7
      5
      30 - 50
      24 - 39
      AOTF1550-SLS
      1550nm
      3x3
      -
      2
      81 - 84
      AOTF1110-VB
      VIS,NIR
      10x10
      5.7 (nominal)
      Variable
      80 - 50

       

      Q-Switches

      Q-switches are intracavity devices used to generate very high peak power, short duration laser pulses. These are typically loss modulators operating on the zero order beam. The goal of a Q-switch is to diffract as much power from the zero order as possible to increase the cavity loss and extinguish the laser output. When the RF drive to the Q-switch is momentarily turned off, the optical power built up in the laser is emitted as a short pulse. The process may be repeated at rates in excess of 100KHz. Depending on the frequency and interaction length, AO Q-switches either operate in the Bragg regime, just like an AOM, with predominately a single diffracted beam or in the Raman-Nath regime with multiple diffracted beams.

      Model
      Cooling
      Centre Frequency (MHz)
      Material
      Active Aperture (mm)
      Max Power (W)
      Damage Thresh (MW/cm^2)
      Driver
      Q1072-SF24L
      Conduction
      24
      SF10
      1.5
      5
      >300
      AQS
      Q1058C-SFxxL-H
      Conduction
      24/27
      SF10
      1.0/1.5
      5
      >300
      AQS
      Q1025-TxxL-H
      Conduction
      27/80
      TeO2
      1
      3
      >250
      AQS
      Q1025-SFxxL-H
      Conduction
      41/80
      SF10
      1
      3
      >300
      AQS
      Q1080C-TxxL-H
      Conduction
      41/ 68 / 80
      TeO2
      1.5
      4
      >250
      AQS
      Q1087-aQ80L
      Conduction
      80
      Quartz
      1
      6
      >500
      AQS
      Q1137-SFxxL-H
      Conduction
      41/80
      SF57
      1.0 / 1.5
      6
      >300
      AQS
      Q1162-SFxxL-H
      Conduction
      41/80
      SF10
      1
      6
      >300
      AQS
      Q1119-aQxxL-H
      Conduction
      41/ 80
      Quartz
      1.0 / 1.5
      10
      >500
      AQS
      Q1119-FSxxL-H
      Conduction
      41/ 80
      Fused Silica
      1.0 / 1.5
      10
      >500
      AQS
      Q1133-aQxxL-H
      Conduction
      41/ 68 / 80
      Quartz
      1.0 to 2.0
      10
      >500
      AQS
      Q1133-FSxxL-H
      Conduction
      41/ 68 / 80
      Fused Silica
      1.0 / 1.5
      10
      >500
      AQS
      Q1062-FSxxL-H
      Water
      24/ 27
      Fused Silica
      1.5 to 6.0
      60
      >500
      AQS
      Q1062-FSxxS-H
      Water
      24/ 27
      F.Silica (Shear)
      1.5 to 5.5
      60
      >500
      AQS
      Q1083-FSxxL-H
      Water
      24/ 27 / 41
      Fused Silica
      1.5 to 6.0
      60
      >500
      AQS
      Q1083-FSxxS-H
      Water
      24/ 27 / 41
      F.Silica (Shear)
      1.5 to 5.5
      60
      >500
      AQS

       

      Special Function Devices

      Model
      Operating Wavelengths
      Material
      Resolution
      Time Aperture (us)
      Sweep Bandwidth (MHz)
      Center Freq. (MHz)
      OPP-1
      VIS
      PbMoO4
      1000
      5
      200
      300
      OPT-1
      VIS
      TeO2 (S)
      1500
      50
      30
      45
      OPT-1-100
      VIS
      TeO2 (S)
      5000
      100
      50
      75
      SLM16-835
      NIR
      TeO2
      300
      4.4
      70
      125
      LS700-1109-10W
      IR
      Ge
      500
      10
      50
      75

       

      Fiber Optic Couplers

      For ease of integration ISOMET offers a range of pre-aligned fibre assemblies and integrated fibre coupled devices for both modulation and frequency shifting applications. The FOA series offers an open and fully adjustable fibre coupling solution suitable for use with a wide range of our visible and NIR AO devices. The FCM series are fully integrated welded package fibre coupled devices. These exhibit high extinction ratio, low coupling losses and feature single mode fibres with FC/PC terminations.

      Model
      Applications
      Wavelengths
      Suitable AOM’s
      Typical Coupling Losses
      FOA1065
      Frequency Shifting / Modulation
      Visible and NIR
      1205C / 1206C / 1250C
      < 5dB
      FOA1084
      High Speed Modulation
      NIR
      1206C – 0.5
      < 5dB
      FCM1550-P50L
      Frequency Shifting / Modulation
      1550nm
      Integrated
      < 3dB
      FCM1550-P80L
      Frequency Shifting / Modulation
      1550nm
      Integrated
      < 3dB

       

      聲光調制器驅動器 Acousto-optics Modulators Driver

      Center Freq (MHz)
      Risetime (n sec)
      Digital Modulation
      Analog Modulation
      Power
      Feature
      10
      <15
      831C
      up to 0.3W
      27
      <10
        
      521C-27
      521B-27
      531C-27
      531B-27
      up to 6W
      40
      <8
      521C
      521B
      531C
      531B
      up to 6W
      45
      <8
      521C-45
      521B-45
      531C-45
      531B-45
      up to 6W
      80
      <6
      522C
      522B
      532C
      532B
      up to 7W
      80
      <6
      822C
      832C
      up to 2W
      Low voltage, compact
      110
      <5
      523C
      523B
      533C
      533B
      up to 6W
      150
      <5
      524C
      524B
      534C
      534B
      up to 3W
      175
      <5
      525C-175
      525B-175
      535C-175
      535B-175
      up to 2W
      200
      <5
      525C
      525B
      535C
      535B
      up to 2W
      250 (260)
      <5
      526C
      536C
      up to 2W
      350
      <5
      537C
      up to 1.5W
      80
      <6
      752C-x
      752B-x
      752C-x
      752B-x
      up to 7W
      Dual Modulation
      80
      <6
      722C-x
      722B-x
      na
      na
      up to 6W
      >60dB RF Contrast
      110
      <5
      723C-x
      723Bx
      na
      na
      up to 6W
      >60dB RF Contrast

       

      Air Cooled, Single Frequency up to 60W RF power
      Frequency (Select, MHz)
      Model
      Frequency Stability (Typical, %)
      Modulation
      Outputs
      RF Power (W)
      24/27/41/80/110
      RFA910-FC
      ±0.003
      Analog& Digital
      1
      10
      24/27/41/80/110
      RFA920-FC
      ±0.003
      Analog & Digital
      1
      25
      27/41
      RFA960-FC
      ±0.003
      Analog & Digital
      1
      60

       

      High Power Modulator Drivers Liquid Cooled
      Frequency (MHz) 
      Model
      Modulation
      Outputs
      RF Power (W)
      Feature
      40
      RFA141
      Analog & Digital
      1
      30
      40
      RFA241
      Analog & Digital
      1
      80
      40
      RFA441
      Analog & Digital
      1
      100
      40
      RFA641
      Analog & Digital
      1
      180
      Digital Interface
      50
      RFA151
      Analog & Digital
      1
      25
      60
      RFA261
      Analog & Digital
      1
      65
      80
      RFA181
      Analog & Digital
      1
      50
      110
      RFA2110
      Analog & Digital
      1
      25
      40
      RFA240-2
      Analog & Digital
      2
      70/70
      50
      RFA250-2
      Analog & Digital
      2
      70/70

       

      Liquid Cooled, Sequential Multi-Frequency, up to 180W RF power
      Frequency (MHz) 
      Model
      Frequency Stability (Typical, %)
      Modulation
      Outputs
      RF Power (W)
      Feature
      30 / 50
      RFA3050-2
      ± 0.003
      Digital
      2
      65/65
      40 / 51
      RFA741
      ± 0.003
      Analog/Digital
      1
      90
      40 / 60
      RFA4060-2
      ± 0.003
      Digital
      2
      65/65
      40 / 60
      RFA4116-2
      ± 0.003
      Digital
      2
      85/85
      Digital Power Control
      30 / 36.7 / 43.3 / 50
      RFA3445-2
      ± 0.003
      Digital
      2
      85/85
      40 / 46.7 / 53.3 / 60
      RFA4556-2
      ± 0.003
      Digital
      2
      85/85
      30-60
      iSPA241
      32Bit
      Analog / Digital
      1
      70
      USB Programmable
      35-55
      iSPA641
      32Bit
      Analog / Digital
      1
      180
      USB Programmable
      40-60
      iSPA4060-2
      32Bit
      Analog / Digital
      2
      85/85
      USB Programmable
      41/-41
      iSA241-4
      32Bit
      Analog / Digital
      4
      30/30/30/30
      DBM driver
      54/-54
      iSA254-4
      32Bit
      Analog / Digital
      4
      45/45/45/45
      DBM driver

       

      聲光偏轉器驅動器 Deflectors Drivers

      Variable Frequency Driver-Amps Conduction Cooled Max 20W
      Tuning Frequency (Minimum, MHz)
      Digital Modulation
      Analog Modulation
      Tuning Linearity (Typical, %)
      RF Power (W)
      Feature
      DDS Based
      20-200
      iSPA-SF1
      iSPA-SF1
      32Bit
      1.2W
      Sequential freq output
      20-200
      iSPA-MF4
      iSPA-MF4
      32Bit
      <1W
      Simultaneous 4x freq output
      Single Output VCO based
      19-35
      620C-27
      630C-27
      ±2.0
      >2.2
      30-50
      620C-40
      630C-40
      ±1.5
      >2.2
      30-50
      620A-40
      630A-40
      ±1.5
      >6.0
      60-100
      620C-80
      630C-80
      ±1.5
      >2.2
      60-100
      620A-80
      630A-80
      ±1.5
      >4.0
      70-130
      620C-100
      630C-100
      ±1.5
      >2.0
      80-140
      620C-110
      630C-110
      ±1.5
      >1.8
      80-140
      620A-110
      630A-110
      ±1.5
      >3.0
      100-200
      620C-150
      630C-150
      ±1.5
      >1.5
      100-200
      620A-150
      630A-150
      ±1.5
      >3.0
      140-260
      620C-200
      630C-200
      ±1.5
      >1.5
      200-300
      620C-250
      630C-250
      ±2
      >0.7
      250-450
      620C-350
      630C-350
      ±2
      >0.7
      22-38
      RFA910T-30
      ±2.5
      10
      30-50
      RFA910T-40
      ±1.5
      10
      60-100
      RFA910T-80
      ±1.5
      10
      60-100
      RFA920T-80
      ±1.5
      20
      90-130
      RFA920T-110
      ±1.5
      20
      VXCO
      80 ± 4kHz
      512C-x
      Up to 7

       

      Multi Output Variable Freq Driver-Amps Conduction Cooled, Max 20W
      Tuning Frequency (Minimum, MHz)
      Digital Modulation
      Analog Modulation
      Tuning Linearity (Typical, %)
      RF Power (W)
      Outputs
      Feature
      DDS Based
      20-200
      iSPA-SF2
      32Bit
      1.2/1.2
      2
      USB Programmable
      20-200
      iHSA-4*
      32Bit
      1.2/1.2/1.2/1.2
      4
      USB Programmable
      VCO Based
      30-50 or 40-60
      D321-BS
      D331-BS
      ±1
      1.8 / 1.8
      2
      50-90
      D322-BS
      D332-BS
      ±1
      1.8 / 1.8
      2
      75-125 or 90-130 
      D323-BS
      D333-BS
      ±1
      1.8 / 1.8
      2
      120-240 or 130-250
      D325-BS
      D335-BS
      ±1
      1.8 / 1.8
      2
      85-145
      RFA3110-4-CC
      ±1.5
      1.8/1.8/1.8/1.8
      4

       

      Liquid Cooled, up to 180W RF power
      Tuning Frequency (Minimum, MHz)
      Model
      Tuning Linearity (Typical, %) 
      Modulation
      Outputs
      RF Power (W)
      Feature
      DDS Based
      30-60
      iSPA241
      32Bit
      Analog / Digital
      1
      70
      USB Programmable
      30-60
      iSPA241
      32Bit
      Analog / Digital
      1
      70
      USB Programmable
      40-60
      iSPA4060-2
      32Bit
      Analog / Digital
      4
      85/85
      USB Programmable
      VCO Based
      30-50
      RFA321
      ±2
      Analog / Digital
      1
      70
      30-50
      RFA331-2
      ±2
      Analog / Digital
      2
      35/35
      40-60
      RFA350-2
      ±2
      Analog / Digital
      2
      65/65
      65-95
      RFA3080-2
      ±1.5
      Analog / Digital
      2
      5/5
      90-130
      RFA333-2
      ±1.5
      Analog / Digital
      2
      10/10
      85-145
      RFA3110-4
      ±1.5
      Analog / Digital
      4
      1.8/1.8/1.8/1.8
      110-180
      RFA 3145-4
      ±1.5
      Analog / Digital
      4
      1.8/1.8/1.8/1.8
      130-210
      RFA3175-4
      ±1.5
      Analog / Digital
      4
      1.5/1.5/1.5/1.5

       

      AOTF Driver: Frequency Sources and Amps

      Frequency Sources
      Model
      Controls Functions
      Max tuning range (MHz)
      Resolution
      Outputs
      RF Power
      Feature
      Frequency Synthesizer Source
      iSA-SF2
      Yes
      20-200
      32bit
      2
      1mW
      USB programmable
      iHHS-4
      Yes
      20-200
      32bit
      4
      1mW
      USB programmable
      iHHS-4-e
      Yes
      150-350
      32bit
      4
      1mW
      USB programmable
      Synthesizer with Integrated Amplifier(s)
      iSPA-SF1-X
      Yes
      20-250
      32bit
      1
      1W to 4W
      High power
      iSPA-SF2
      Yes
      20-200
      32bit
      2
      1W
      Differential frequency
      iSPA-MF4
      Yes
      20-200
      32bit
      1
      1W total
      Mixed frequency
      iHSA-4
      Yes
      20-200
      32bit
      4
      1W
      Image Memory
      Crystal Based, low frequency
      811C-L-10
      10
      50ppm
      1
      300mW
      811C-L-15
      15
      50ppm
      1
      300mW

       

      Amplifiers
      Model
      Modulation Input
      Octave Bandwidth within range (MHz)
      Gain (dB)
      Outputs
      RF Power (W)
      Feature
      50xC-L Series
      Yes
      30-250
      0-33
      1
      1.7
      50xC-2 Series
      Yes
      30-250
      0-34
      1
      2
      50xC-3 Series
      Yes
      30-250
      0-35
      1
      2.7
      50xC-6 Series
      Yes
      30-250
      0-36
      1
      6.5
      DA134-p-fc
      Yes
      30-150
      0-36
      2
      1.6/1.6
      RFA901-B
      Yes
      30-100
      0-38
      1
      12
      RFA200
      Yes
      28-55
      0-50
      1
      70
      RFA200-2
      Yes
      28-55
      0-50
      2
      70/70
      RFA1170-4-ZP
      No
      48-92
      52
      4
      80/80/80/80
      Pulse optimized
      RFA1170-4
      Option
      48-92
      52
      4
      80/80/80/80

       

      Q-Switch Drivers
      Frequency (MHz)
      Model
      Waveform Modulation
      Control Inputs
      Outputs
      RF Power
      24
      RFA960-24
      Analog & Digital
      User
      1
      60
      27.12
      RFA960-27
      Analog & Digital
      User
      1
      60
      27.12
      AQS1060-27
      Pulse Width and Slope Envelope
      Internal/User
      1
      60
      27.12
      AQS1080-27
      Pulse Width and Slope Envelope
      Internal/User
      1
      80
      27.12
      AQSR1100D-27
      Pulse Width and Slope Envelope
      Internal/User
      2
      110/110
      40.68
      RFA910-40
      Analog & Digital
      User
      1
      12
      40.48
      RFA960-40
      Analog & Digital
      User
      1
      60
      40.68
      AQS1010-40
      Pulse Width and Slope Envelope
      Internal/User
      1
      10
      80
      762B-x
      Preset Pulse Width
      1
      < 4
      80
      762C-x
      Preset Pulse Width
      1
      < 4
      80
      RFA910-80
      Analog & Digital
      User
      1
      12
      80
      AQS1004-80
      Pulse Width and Slope Envelope
      Internal/User
      1
      < 6
      80
      AQS1010-80
      Pulse Width and Slope Envelope
      Internal/User
      1
      12

       

       

       




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