Standard replicated diffraction gratings are produced from ruled and holographic originals and are intended for use in moderate resolution spectrophotometers, spectrometers and monochromators where low cost, high efficiency and low stray light are of primary concern. Since standard diffraction gratings are cut from larger replicas, they are ruled over their entire surface. Incident radiation should, however, be restricted to 90% of the ruled area.
Standard Series Replicated Holographic Diffraction Gratings | ||
Grooves / MM | Optimum Efficiency | Dispersion (nm/mr) |
600 | UV | 1.67 @ 250 NM |
1000 | UV | 0.99 @ 250 NM |
1200 | UV | 0.82 @ 250 NM |
1200 | VIS | 0.79 @ 250 NM |
1800 | UV | 0.54 @ 250 NM |
1800 | VIS | 0.50 @ 250 NM |
2400 | UV | 0.40 @ 250 NM |
2400 | VIS | 0.33 @ 250 NM |
3600 | UV | 0.25 @ 250 NM |
Standard Series Replicated Holographic Diffraction Gratings | |||||||||||
Grooves / MM | Optimum Efficiency | Dispersion (nm/mr) | 12.7x12.7 x 6 | 25x25 x 6 | 25x25 x 9.5 | 30x30 x 9.5 | 50x50 x 9.5 | 12.5x25 x 6 | 12.5x25 x 9.5 | 25x50 x 9.5 | Eff Curve |
600 | UV | 1.67 @ 250 NM | 3-4021 | 3-8021 | 3-2021 | 3-3021 | 3-5021 | 3-6021 | 3-1021 | 3-7021 |  |
1000 | UV | 0.99 @ 250 NM | 3-4061 | 3-8061 | 3-2061 | 3-3061 | 3-5061 | 3-6061 | 3-1061 | 3-7061 | |
1200 | UV | 0.82 @ 250 NM | 3-4121 | 3-8121 | 3-2121 | 3-3121 | 3-5121 | 3-6121 | 3-1121 | 3-7121 | |
1200 | VIS | 0.79 @ 500 NM | 3-4122 | 3-8122 | 3-2122 | 3-3122 | 3-5122 | 3-6122 | 3-1122 | 3-7122 | |
1800 | UV | 0.54 @ 250 NM | 3-4181 | 3-8181 | 3-2181 | 3-3181 | 3-5181 | 3-6181 | 3-1181 | 3-7181 | |
1800 | VIS | 0.50 @ 500 NM | 3-4182 | 3-8182 | 3-2182 | 3-3182 | 3-5182 | 3-6182 | 3-1182 | 3-7182 | |
2400 | UV | 0.40 @ 250 NM | 3-4241 | 3-8241 | 3-2241 | 3-3241 | 3-5241 | 3-6241 | 3-1241 | 3-7241 | |
2400 | VIS | 0.33 @ 500 NM | 3-4242 | 3-8242 | 3-2242 | 3-3242 | 3-5242 | 3-6242 | 3-1242 | 3-7252 | |
3600 | UV | 0.25 @ 250 NM | 3-4361 | 3-8361 | 3-2361 | 3-3361 | 3-5361 | 3-6361 | 3-1361 | 3-7361 | |
| Protective overcoatings that maintain or enhance reflectivity in the UV, Visible and IR regions are available for an additional charge.Gold Overcoat (AU-3) Aluminum Magnesium Fluoride (ALMG-3) |
All gratings utilize an aluminum (AI) reflective coat
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