Zeiss Concave Grating 792061-0000-000
Description
Concave diffraction gratings are diffractive optics components for compact spectrometers. By combining dispersive and imaging properties in a single element concave gratings reduce stray light, increase light intensity, and are ideal for imaging the spectrum on a diode array or a CCD/CMOS sensor. The basic form of all imaging gratings is the Rowland circle grating.
ZEISS concave gratings are produced holographically. This optimizes the focal plane and minimizes aberrations such as astigmatism, spherical aberration and coma over a wide spectral range with a range of groove profiles.
Zeiss Concave Grating 792061-0000-000
Specifications |
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|---|---|
| Groove Density: | 3600 l/mm |
| Substrate Material: | Zerodur |
| Radius Of Curvature: | 150.7 mm |
Applications
Spectrographs and spectrometers
Spectroscopy
Scientific and industrial applications
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United States
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On FindLight:
since 2016
Frequently Asked Questions
Concave diffraction gratings are diffractive optics components for compact spectrometers that combine dispersive and imaging properties in a single element.
Concave gratings reduce stray light, increase light intensity, and are ideal for imaging the spectrum on a diode array or a CCD/CMOS sensor.
Zeiss concave gratings are used in spectrographs, spectrometers, and scientific and industrial applications.
The groove density of the Zeiss concave grating is 3600 ± 1 l/mm.
The diffraction efficiency of the Zeiss concave grating varies with wavelength, but at a constant angle of deviation (cAD) of 5°, it is at least 16% at 225 nm, 42% at 250 nm, and 32% at 300 nm.