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Optical Pathlength Noise in Sensitive Interferometers Due to Residual Gas

Weiss, Rainer and Zucker, Michael E. and Whitcomb, Stanley E. (1992) Optical Pathlength Noise in Sensitive Interferometers Due to Residual Gas. California Institute of Technology , Pasadena, CA. (Unpublished)

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An analysis of the noise in the apparent optical pathlength in an interferometer due to the presence of statistical fluctuations in the passage of gas molecules through a laser beam is presented An experimental test using a 40 m long prototype interferometer confirms the main predictions of the model regarding the dependences on frequency, pressure, molecular polarizability and molecular speed The results are used to derive the vacuum requirements for the planned Laser Interferometer Gravitational-wave Observatory (LIGO).

Item Type:Report or Paper (Technical Report)
Zucker, Michael E.0000-0002-2544-1596
Record Number:CaltechAUTHORS:20230213-220222219
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:119229
Deposited By: Joy Painter
Deposited On:13 Feb 2023 23:35
Last Modified:09 Mar 2023 21:34

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