Diffraction Gratings
Holographic Gratings
Ruled Gratings
Pulse Gratings
Telecom Gratings
Space Qualified Gratings
Concave Gratings
Constant Deviation
Flat Field Imaging
Spectrometers
UV-470 Standard
UV-470-151
UV-470 OEM
Precision Mirrors
Hollow Retroreflectors
Off-Axis Parabolic Mirrors
Ellipsoid Mirrors
FreeForm Optics
Space Qualified Mirrors
Standard Flat Mirrors
Custom Monolithic Mirrors
Ruled Gratings
A ruled diffraction grating is produced by using a diamond tipped tool to cut parallel grooves into the coating on the substrate. These grooves are cut in a blazed or ‘saw tooth’ profile which allows the grating to be optimized for a given spectral region. This allows ruled gratings to be optimized for any region of the spectrum. However ruled gratings are limited by large amounts of stray light due to a range of periodic errors, also known as ghosting effects.
Spectrum Scientific offers a range of standard gratings. If we do not have a grating that meets your requirement, please contact our sales department as new gratings are manufactured on a regular basis.
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