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Cryogenic VPH gratings for the CELT/TMT

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. http://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
Related URLs:
URLURL TypeDescription
https://doi.org/10.1117/12.552185DOIArticle
Additional Information:© 2004 Society of Photo-Optical Instrumentation Engineers (SPIE).
Group:Thirty Meter Telescope
Subject Keywords:astronomy, instruments, near infrared, visible, cryogenic, VPH, grating
Record Number:CaltechAUTHORS:20190221-110522364
Persistent URL:http://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:26 Feb 2019 21:13

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