Cat No:VSG-0003
Traditional Rowland circle gratings have a concave imaging surface, which is unsuitable for modern planar detectors. Flat-field gratings, by regularly altering the line density of the concave grating, correct the spectral surface into a plane, thus allowing for coupling with planar detectors for spectral detection.
| Features | Two sub-gratings are fabricated on a single substrate, extending the usable wavelength range; a single grating can cover 2–25 nm. |
| Applications | Imaging spectrometers Optical analysis and detection systems OEM-integrated spectroscopic instruments |
| Operating Wavelength | 250–1100 nm |
| Groove / Pitch | Parallel groove configuration |
| Grating Type | Blazed parallel flat-field grating |
| Grating Size | 20 × 20 to 100 × 100 mm |
| Substrate Material | Fused silica, low-expansion glass |
| Diffraction Efficiency | 60–85% (typ.) |
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For Research or Industrial Raw Materials, Not For Personal Medical Use!
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