Diffraction grating
Product description
Diffraction grating
- Both high dispersion and high diffraction efficiency.
- Diffraction efficiency full spectrum low polarization dependence
- Excellent environmental stability, tolerance to 500 °C working environment.
- Compared with volume holographic phase grating, the angular tolerance is larger.
- Low stray light and low wavefront error
- No organic materials, high laser damage threshold.
| VIS_1379 | 940nm_1200 | 840nm_1200 | SWIR_622 | |
| Material | Fused silica | |||
| Dimension | 28mm×24.6mm | 8mm×8mm | 8mm×8mm | 8mm×8mm |
| Lines | 1379.3l/mm | 1200l/mm | 1200l/mm | 622l/mm |
| Wavelength | 400-800nm | 940±50nm | 840±50nm | 900-1700nm |
| Diffraction efficiency (unpolarized) | > 35% | > 90% | > 90% | > 80% |
