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Torrent Photonics Transmissive Gratings

Updated:2025-03-13

Brand: Torrent Photonics
Model:
Description: Transmissive gratings are a type of diffractive grating designed to diffract light transmitted through them at angles depending on wavelength. They have lower alignment sensitivities when compared to
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Product Details

Torrent Photonics Transmissive Gratings Description：

Transmissive gratings are a type of diffractive grating designed to diffract light transmitted through them at angles depending on wavelength. They have lower alignment sensitivities when compared to reflectance gratings, making them more robust given slight changes in environment.

Additionally, transmissive gratings have a significant edge on throughput when compared to traditional reflective gratings, and with our ability to use a fused silica substrate, we're able to achieve deep UV sensitivities.

See our specifications table for some typical diffraction efficiency curves optimized across wavelengths. The grating profiles can be modulated to optimize diffraction efficiency at certain wavelengths.

Features

UV Sensitive with Fused Silica Substrate

High Through-Put Compared to Reflective Grating

Customizable for OEM Solutions

Repeatable — Low Unit to Unit Variation

Environmentally Stable and Robust Design

Transmissive Gratings Specifications

VIS-NIR

SWIR

Spectroscopy Gratings – UV, VIS, NIR, Broadband

	Wavelength Range (mm)	Line Density (LPMM)	Angle of Incidence (AOI)
UV	200-400	2500	15.5
UV-VIS	200-800	1250	29.9
VIS	362-785	1250	15.5
NIR	400-1100	909	16.1
SWIR	900-1700	571.4	17.8