Diffraction Gratings for Oriel® CS130 Monochromators
Diffraction Gratings for Oriel® CS130 Monochromators
High quality diffraction gratings are available for use with the Oriel® CS130 family of monochromators. The CS130 is designed to hold up to two gratings simultaneously. This selection covers a broad wavelength range and gratings can be replaced, making the CS130 a flexible instrument that meets the needs of many different applications. Gratings are installed by Newport. Contact us for more information.
- High quality
- Broad wavelength coverage
- Efficient performance
- Ruled and holographic gratings
- Special orders welcome See All Features
| Compare | Description | Drawings, CAD & Specs | Avail. | Price | ||
|---|---|---|---|---|---|---|
 | 74021 Diffraction Gratings for CS130 MonochromatorsDiffraction Grating, Cornerstone 130, Ruled, 2400 l/mm, 275 nm blaze, 200-800 nm | |||||
 | 74022 Diffraction Gratings for CS130 MonochromatorsDiffraction Grating, Cornerstone 130, Holographic, 1800 lines/mm, 560 nm blaze, 320-1070 nm | |||||
| 74023 Diffraction Gratings for CS130 MonochromatorsDiffraction Grating, Cornerstone 130, Holographic, 1200 l/mm, 240 nm blaze, 200-600 nm | |||||
| 74024 Diffraction Gratings for CS130 MonochromatorsDiffraction Grating, Cornerstone 130, Ruled, 1200 l/mm, 360 nm blaze, 200-1600 nm | |||||
| 74025 Diffraction Gratings for CS130 MonochromatorsDiffraction Grating, Cornerstone 130, Ruled, 1200 l/mm, 750 nm blaze, 475-1600 nm | |||||
| 74026 Diffraction Gratings for CS130 MonochromatorsDiffraction Grating, Cornerstone 130, Ruled, 600 l/mm, 225 nm blaze, 200-400 nm | |||||
| 74027 Diffraction Gratings for CS130 MonochromatorsDiffraction Grating, Cornerstone 130, Ruled, 600 l/mm, 700 nm blaze, 450-2000 nm | |||||
| 74028 Diffraction Gratings for CS130 MonochromatorsDiffraction Grating, Cornerstone 130, Ruled, 600 l/mm, 1000 nm blaze, 650-2200 nm | |||||
| 74029 Diffraction Gratings for CS130 MonochromatorsDiffraction Grating, Cornerstone 130, Ruled, 300 l/mm, 1700 nm blaze, 1300-5000 nm | |||||
| 74031 Diffraction Gratings for CS130 MonochromatorsDiffraction Grating, Cornerstone 130, Ruled, 150 l/mm, 5 um blaze, 3.5-10.25 um |
Features
High Quality
Plane ruled and holographic gratings listed here are fabricated from float glass substrates with an aluminum coating. Oriel monochromators and spectrographs feature diffraction gratings produced by Richardson Gratings. Both Oriel Instruments and Richardson Gratings are part of the Newport family of brands, and have a long history of working together to design instruments that are appropriate for a wide variety of applications.
Plane Ruled Gratings
For a plane blazed grating, the groove spacing and blaze angle determine the distribution of energy. The blaze direction for most gratings is specified for first order Littrow use. In Littrow use, light is diffracted from the grating back toward the source. Gratings used in the Littrow configuration have the advantage of maximum efficiency, or blaze, at specific wavelengths.
Blazed Holographic Gratings
Holographic gratings normally have a sinusoidal groove shape, which is the result of recording interference fringe fields in photoresist material. Since the grooves are symmetrical, they do not have a preferred blaze direction and hence the gratings carry no blaze arrows. The range of useful diffraction efficiency is controlled by varying the modulation (the ratio of groove depth to groove spacing). The lower the modulation, the shorter the wavelength limit to which the grating can be used, but the peak efficiency may be lowered as well. We have found that three modulation levels are adequate for nearly all purposes.
Broad Wavelength Coverage
Standard grating assemblies are available from UV, VIS and NIR. The primary wavelength region is where the grating efficiency is greater than or equal to 20%. System efficiency will also be affected by the reflectivity of the mirrors and the grating angle, at any wavelength. The CS130 monochromator's gratings are available with operating ranges from 200 nm to 23 µm.
High Efficiency
High-efficiency gratings are desirable for several reasons. A grating with high efficiency is more useful than one with lower efficiency in measuring weak transition lines in optical spectra. A grating with high efficiency may allow the reflectivity and transmissivity specifications for the other components in the spectrometer to be relaxed. Moreover, higher diffracted energy may imply lower instrumental stray light due to other diffracted orders, as the total energy flow for a given wavelength leaving the grating is conserved (being equal to the energy flow incident on it minus any scattering and absorption).
Special Orders Welcome
In addition to the gratings listed here, special order gratings may also be available for use in a wide variety of applications. Custom grating requests include gold coating for increased IR efficiency, AlMgF2 coating for increased UV efficiency and many other requests. Gratings may be installed into a variety of mounts for use in specific monochromators or spectrographs. Contact Newport Sales for more information.
