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Ultrahigh level of frequency stabilization of an injection locked Nd:YAG laser with relevance to gravitational wave detection

Clubley, D.A., Skeldon, K.D., Barr, B.W., Newton, G., Strain, K.A., and Hough, J. (2000) Ultrahigh level of frequency stabilization of an injection locked Nd:YAG laser with relevance to gravitational wave detection. Optics Communications, 186 (1-3). 177 -184. ISSN 0030-4018 (doi:10.1016/S0030-4018(00)01060-9)

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Publisher's URL: http://dx.doi.org/10.1016/S0030-4018(00)01060-9

Abstract

We report on measurements of the frequency noise of a highly stabilized injection locked Nd:YAG laser. We use a nested loop frequency stabilization scheme to achieve a loop gain of approximately 1×106 at Fourier frequencies around 1 kHz with frequency actuation applied only to the master oscillator. A frequency noise level of approximately 2×10-5 HzHz-1/2 was measured for the master laser around this frequency using an independent, narrow line width, suspended analyzer cavity. Furthermore we demonstrate that the frequency noise performance of the injection locked slave laser is identical to that of the master oscillator to this level. This performance is very close to the frequency noise specification for gravitational wave detection by GEO 600.

Item Type:Article
Status:Published
Refereed:Yes
Glasgow Author(s):Barr, Dr Bryan and Hough, Prof James and Newton, Dr Gavin and Strain, Prof Kenneth and Skeldon, Dr Kenneth
Authors: Clubley, D.A., Skeldon, K.D., Barr, B.W., Newton, G., Strain, K.A., and Hough, J.
Subjects:Q Science > QC Physics
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Optics Communications
ISSN:0030-4018

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