AOMC 220-4
A 4-channel modulator for use at 350-365 nm, with a rise/fall time of 16 ns, an active aperture of 0.24 mm, and an operating frequency of 190-250 MHz.
Full Product Description- Wavelength:
- 351-365 nm
- Operating Frequency:
- 220 MHz
- Active Aperture:
- 0.5 mm X 0.24 mm
Product description
Combining optimum grade crystalline quartz, high-quality optical finishing, high-grade anti-reflection coatings, with novel acoustic management and optomechanical design techniques, this multi-channel modulator achieves exceptional thermal management while maintaining superior beam quality and high optical throughput.
Key features
- High Damage Threshold
- Low insertion loss
- Superior beam quality
Specifications
| Name | Value |
|---|---|
| Wavelength | 351-365 nm |
| AO medium | Crystalline quartz |
| Acoustic velocity | 5.74 mm/μs |
| Operating Frequency | 220 MHz |
| Active Aperture | 0.5 mm X 0.24 mm |
| RF bandwidth | 60 MHz |
| Input impedance | Nominal: 50 Ω |
| VSWR | Max: 1.5:1 |
| Insertion loss | Max: 3% |
| Anti-reflection coating | MIL-C-48497 |
| Damage threshold | 200 MW/cm² |
| Contrast ratio | Min: 100:1 |
| Polarization | Perpendicular 90° to acoustic wave |
Performance vs wavelength
| Wavelength | 351 nm | 365 nm |
|---|---|---|
| RF power | 2 W | 2 W |
| Bragg angle | 6.7 mr | 7 mr |
| Beam separation | 13.4 mr | 14 mr |
Performance vs beam diameter
| Beam diameter | 110 μm | 110 μm |
|---|---|---|
| Wavelength | 351 nm | 365 nm |
| Diffraction efficiency | Min: 83% | Min: 83% |
| Rise time | 16 nsec | 16 nsec |
| Special testing | Min | Units |
|---|---|---|
| Diffraction efficiency | 66 | % |
| Crosstalk | 25 | dB |