Coad | 667826 | Length | 41.0mm | |
Type | 1120-2100nm Projection Grating | Width | 30.0mm | |
Dimension(mm) | 41.0 x 30.0 x 6.35 | Height | 6.35mm | |
Wavelength(nm) | 1420 | Period | 1250nm | |
Groove Density (l/mm) | 800 | Clear Aperture | 39.0mm x 28.0mm | |
Diffraction Efficiency (%) | ≥97.5 | Polarization | TE(s-pol) |

The 1120–2100 nm mid-infrared transmission grating is a high-performance optical component developed specifically for extended infrared applications. It is fabricated using an innovative grating design and specialized optical materials. Operating across a broad spectral range of 1120–2100 nm, the grating delivers outstanding optical performance, achieving transmission efficiency above 92% and excellent spectral resolution through advanced photolithography and optimized coating techniques. Its unique structural design effectively minimizes thermal lensing effects, ensuring stable optical characteristics even under high-power operating conditions.
Thanks to its superior performance, this mid-infrared transmission grating plays a vital role in a wide range of high-tech fields. It not only enables efficient dispersion and precise wavelength selection but is also suitable for applications such as molecular spectroscopy, environmental monitoring, and thermal imaging systems. Built with a reinforced substrate and environmentally stable coatings, the grating offers excellent moisture resistance and mechanical strength, making it suitable for use in diverse and demanding environments. Whether in precision measurements within research laboratories or in integrated industrial laser systems, it provides a reliable optical solution.
Notes: For best performance, store and operate the grating at 25 °C and 40%–60% relative humidity. If the grating surface becomes contaminated, gently clean it with >99% alcohol and lint-free lens tissue. Avoid rough fabrics, water, or abrasive cleaners to prevent damage to the coating.
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