Near-Infrared Wavelength Band GGR03-5050-30NIR02
Transmission gratings simplify optical-path design and are advantageous in fixed-grating applications such as spectrometers. Incident beams disperse at a fixed angle behind the grating. They tolerate some grating alignment errors. Low groove density maintains high diffraction efficiency; diffraction angle increases with groove density, while substrate refractive index limits long-wavelength transmission and reduces performance. Dispersion suits compact systems with small detector arrays. These gratings are also polarization-insensitive.
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Overview
Specifications
| Parameter | Value |
|---|---|
| RoHS | Compliant with standards |
| Dimensions | 50 mm × 50 mm × 3 mm |
| Number of rulings | 300 l/mm |
| Diffraction Angle | 31.67° |
| Optimized Wavelength Band | (Near-Infrared) |
| Grating substrate material | B270 |
| Dimensional Tolerance | ± 0.5 mm |
| Thickness Tolerance | ± 0.2 mm |
| Surface Finish | 60/40 |
| Effective Aperture | 90% |
Key Features
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