Blais-Ouellette, Sébastien and Guzman, Dani and Elgamil, Amal and Rallison, Richard (2004) Cryogenic VPH gratings for the CELT/TMT. In: Optical Fabrication, Metrology, and Material Advancements for Telescopes. Proceedings of SPIE. No.5494. Society of Photo-optical Instrumentation Engineers (SPIE) , Bellingham, WA, pp. 278-284. ISBN 9780819454263. https://resolver.caltech.edu/CaltechAUTHORS:20190221-110522364
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Abstract
Characterization of Volume Phase Holographic gratings at cryogenic temperatures have been conducted using a new test facility at Caltech. The new test bench includes a cryostat that allows large angles for incident and diffracted light. Gratings under tests are shielded from thermal background, and precisely and uniformly temperature controlled. Preliminary results are presented and show little temperature dependence of the efficiency function.
| Item Type: | Book Section | ||||||
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| Additional Information: | © 2004 Society of Photo-Optical Instrumentation Engineers (SPIE). | ||||||
| Group: | Thirty Meter Telescope | ||||||
| Subject Keywords: | astronomy, instruments, near infrared, visible, cryogenic, VPH, grating | ||||||
| Series Name: | Proceedings of SPIE | ||||||
| Issue or Number: | 5494 | ||||||
| DOI: | 10.1117/12.552185 | ||||||
| Record Number: | CaltechAUTHORS:20190221-110522364 | ||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20190221-110522364 | ||||||
| Official Citation: | Sebastien Blais-Ouellette, Dani Guzman, Amal Elgamil, and Richard Rallison "Cryogenic VPH gratings for the CELT/TMT", Proc. SPIE 5494, Optical Fabrication, Metrology, and Material Advancements for Telescopes, (24 September 2004); doi: 10.1117/12.552185; https://doi.org/10.1117/12.552185 | ||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
| ID Code: | 93097 | ||||||
| Collection: | CaltechAUTHORS | ||||||
| Deposited By: | George Porter | ||||||
| Deposited On: | 26 Feb 2019 21:13 | ||||||
| Last Modified: | 16 Nov 2021 16:55 |
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