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Direct measurement of absorption-induced wavefront distortion in high optical power systems

Brooks, Aidan F. and Hosken, David and Munch, Jesper and Veitch, Peter J. and Yan, Zewu and Zhao, Chunnong and Fan, Yaohui and Ju, Li and Blair, David and Willems, Phil and Slagmolen, Bram and Degallaix, Jerome (2009) Direct measurement of absorption-induced wavefront distortion in high optical power systems. Applied Optics, 48 (2). pp. 355-364. ISSN 0003-6935. doi:10.1364/AO.48.000355.

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Wavefront distortion due to absorption in the substrates and coatings of mirrors in advanced gravitational wave interferometers has the potential to compromise the operation and sensitivity of these interferometers [Opt. Lett.29, 2635-2637 (2004)OPLEDP0146-959210.1364/OL.29.002635]. We report the first direct spatially-resolved measurement, to our knowledge, of such wavefront distortion in a high optical power cavity. The measurement was made using an ultrahigh sensitivity Hartmann wavefront sensor on a dedicated test facility. The sensitivity of the sensor was λ/730, where λ=800 nm.

Item Type:Article
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Brooks, Aidan F.0000-0003-4295-792X
Zhao, Chunnong0000-0001-5825-2401
Additional Information:© 2009 Optical Society of America. Received 10 October 2008; accepted 21 November 2008; posted 9 December 2008 (Doc. ID 102498); published 7 January 2009. OCIS Codes: (120.2230) Instrumentation, measurement, and metrology : Fabry-Perot; (350.6830) Other areas of optics : Thermal lensing; (280.4788) Remote sensing and sensors : Optical sensing and sensors
Subject Keywords:analytical models; science run; laser-beams; LIGO; interferometry; sensor
Issue or Number:2
Record Number:CaltechAUTHORS:20090409-135840681
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:13910
Deposited By: Tony Diaz
Deposited On:17 Jul 2009 23:31
Last Modified:08 Nov 2021 22:41

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