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| Plane Holographic Reflection Gratings |
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Groove frequencies ranging from 900 to 3600 g/mm- Blazed holographic gratings
- High and low modulation depths
- Aluminum coating
- Float glass substrate
- 12.5, 25, and 50 mm square sizes
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Product Description
Catalog PDF
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Product Description
Generated optically, holographic gratings generally do not display periodic errors or ghosts often found in ruled gratings. They typically have a sinusoidal groove profile and are generated by the recording of an interference pattern onto a photoresist-coated substrate. Newport's holographic gratings can provide excellent wavefront flatness and high efficiency in a single plane of polarization. Blazed gratings are generated by bombarding holographically recorded masters with a beam of ions. This etching process alters the groove profile from sinusoidal to triangular, which often increases the peak efficiency of the grating. Like their ruled counterparts, holographic gratings are most effective when used in the Littrow configuration.
Generated optically, holographic gratings generally do not display periodic errors or ghosts often found in ruled gratings. They typically have a sinusoidal groove profile and are generated by the recording of an interference pattern onto a photoresist-coated substrate. Newport's holographic gratings can provide excellent wavefront flatness and high efficiency in a single plane of polarization. Blazed gratings are generated by bombarding holographically recorded masters with a beam of ions. This etching process alters the groove profile from sinusoidal to triangular, which often increases the peak efficiency of the grating. Like their ruled counterparts, holographic gratings are most effective when used in the Littrow configuration.
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Ordering Information | Grooves
per mm | Spectral
Region
(nm) | Wavelength of Max Efficiency
(nm) | Blazed or Modulation | Coating | Quantity | Model | Price | Quantity | Model | Price | Quantity | Model | Price | | 12.5 x 12.5 x 6 mm | 25 x 25 x 6 mm | 50 x 50 x 6 mm | | 3600 | 180-500 | 300 | high modulation | Al | | 05HG3600-300-1 | | | 10HG3600-300-1 | | | 20HG3600-300-1 | | | 2400 | 190-800 | 250 | blazed | Al | | 05HG2400-250-1 | | | 10HG2400-250-1 | | | 20HG2400-250-1 | | | 2400 | 250-600 | 400 | high modulation | Al | | 05HG2400-400-1 | | | 10HG2400-400-1 | | | 20HG2400-400-1 | | | 2000 | 300-950 | 475 | high modulation | Al | | 05HG2000-475-1 | | | 10HG2000-475-1 | | | 20HG2000-475-1 | | | 1800 | 190-900 | 250 | blazed | Al | | 05HG1800-250-1 | | | 10HG1800-250-1 | | | 20HG1800-250-1 | | | 1800 | 200-900 | 300 | low modulation | Al | | 05HG1800-300-1 | | | 10HG1800-300-1 | | | 20HG1800-300-1 | | | 1800 | 350-900 | 500 | high modulation | Al | | 05HG1800-500-1 | | | 10HG1800-500-1 | | | 20HG1800-500-1 | | | 1500 | 250-1300 | 600 | high modulation | Al | | 05HG1500-600-1 | | | 10HG1500-600-1 | | | 20HG1500-600-1 | | | 1201.5 | 190-800 | 250 | blazed | Al | | 05HG1202-250-1 | | | 10HG1202-250-1 | | | 20HG1202-250-1 | | | 1200 | 500-1200 | 800 | high modulation | Al | | 05HG1200-800-1 | | | 10HG1200-800-1 | | | 20HG1200-800-1 | | | 1100 | 400-1700 | 900 | high modulation | Al | | 05HG1100-900-1 | | | 10HG1100-900-1 | | | 20HG1100-900-1 | | | 900 | 400-1700 | 800 | high modulation | Al | | 05HG900-800-1 | | | 10HG900-800-1 | | | 20HG900-800-1 | |
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Plane Holographic Reflection Grating, 1800 g/mm, high modulation, 350-900 nm recommended spectral range, aluminum coating
Shown here is an example of an efficiency curve for our plane ruled reflection gratings. A complete set of curves are available on our website. Note: Many of these curves are relative (not absolute). They are only representative, and can vary significantly depending on use geometry and measurement technique. Two masters with the same catalog number may have different efficiency curves.
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