IntraAction AOD-70 Acousto-Optic Deflector
An Acousto-optic device designed to deflect or modulate a 633 nm laser beam by 6.5 mrad. Centre frequency 70 MHz, deflection bandwidth 40 MHz.
- Laser beam deflection
- Intensity modulation
- Multiple beam generation
- Flat optical scan response
- Acoustic phased array design1
- Optical signal processing
- Optical frequency shifting
- High reliability
1These deflectors incorporate and acoustic phased-array beam steering design to produce a relatively flat firstorder diffraction efficiency across the deflection bandwidth. Because of this design feature, the deflectors requirea single RF power amplifier to drive the multiple transducer array.
| Optical Wavelength Range | 633 nm |
| Acousto-Optic Material | Dense Flint Glass |
| Diffraction Efficiency (center of scan) | 80% |
| Diffraction Efficiency (edges of scan) | 60% |
| Centre Frequency | 70 MHz |
| Deflection Bandwidth | 40 MHz |
| Beam Seperation | 11.4 mrad (70 MHz) |
| Deflection Range | 6.5 mrad |
| RF Drive Power3 (nominal) | 82.5 Watts |
| Input Impedance (nominal) | 50 ohms |
| Optical Polarization | Any |
| Model | ADM-70 | AOD-70 |
| Time-Bandwidth Product(resolution)4 | 200(spots) | 400(spots) |
| Access Time (full aperture width) | 5 μs | 10 μ |
| Active Aperture Height | 2 mm | 2 mm |
| Active Aperture Width | 20 mm | 40 mm |
| Size (less connector) |
2.8 L x 0.7 H x 2.4 W inches 7.1 L x 1.8 H x 6.1 W cm |
4.5 L x 0.7 H x 2.4 W inches 11.5 L x 1.8 H x 6.1 W cm |
2Useful at other wavelengths with modified specifications.
3A complete line of VCO, synthesized, laboratory, and OEM drive electronics are available.
4 This is resolution as defined by the Rayleigh criterion for a uniformly illuminated optical beam.
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