For use in the 630–690 nm wavelength range, at an operating frequency of 40 MHz with an active aperture of 2 mm.Full Product Description
- 630–690 nm
- Active aperture:
- 2.0 mm
- Operating frequency:
- 40 MHz
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Featuring a low power 15V DC supply requirement and high diffraction efficiency, this device is ideal for use in heterodyne interferometric systems, particularly laser Doppler velocimetry, and has been designed to facilitate double-pass configuration.
This device has an integrated RF driver and reference frequency output, optimized to achieve a high extinction ratio between modes.
- Low insertion loss
- Excellent power handling
- High diffraction efficiency
- High extinction ratio between modes
- Low power requirement
|Interaction material||Tellurium dioxide|
|Active aperture||2.0 mm|
|AR coating reflectivity||< 0·2% per surface|
|Operating frequency||40 MHz|
|Frequency drift||< ±10ppm|
|Polarization state of input beam||Linear, horizontal to base|
|Polarization state of 1st order beam||Linear, vertical to base|
|Polarization state of zero order beam||Linear, horizontal to base|
|Supply voltage||15V dc (±10%)|
|Power consumption||< 1.5 W|
|Power supply connection||Lead-through filter|
|RF reference output||40 MHz sine-wave voltage of 0.5 - 1.0V p-p|
|RF reference output connector||SMB male|
|Harmonic distortion||< 40 dB @ 40 MHz|
|Zero to 1st order polarization extinction ratio||> 100:1|
|Separation angle||2.4° at 655 nm|
|Diffraction efficiency||> 90%|
|Cooling||Conduction through base|
Explanation: Frequency Shifter, 40MHz, 2.0mm active aperture, shear mode, Tellurium Dioxide, 630 - 690nm, SMB male for reference output, GH66 housing.
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