An upper limit to the frequency noise associated with the relaxation oscillation of a monolithic Nd:YAG ring laser

K. D. Skeldon Institute for Gravitational Research, University of Glasgow, Department of Physics and Astronomy, Kelvin Building, Glasgow, G12 8QQ

D. A. Clubley Institute for Gravitational Research, University of Glasgow, Department of Physics and Astronomy, Kelvin Building, Glasgow, G12 8QQ

G. P. Newton Institute for Gravitational Research, University of Glasgow, Department of Physics and Astronomy, Kelvin Building, Glasgow, G12 8QQ

J. Hough Institute for Gravitational Research, University of Glasgow, Department of Physics and Astronomy, Kelvin Building, Glasgow, G12 8QQ

Abstract

A measurement of the frequency noise at the relaxation oscillation frequency of a Nd:YAG monolithic non-planar ring laser is presented. By careful monitoring of various applied calibration signals, a limit to the frequency noise level of ∼ 6.3 × 10⁻² Hz/√Hz is set over the relaxation oscillation bandwidth and it is shown that this is approximately at the level to be expected, based on the relaxation oscillation induced time varying refractive index.

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An upper limit to the frequency noise associated with the relaxation oscillation of a monolithic Nd:YAG ring laser

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An upper limit to the frequency noise associated with the relaxation oscillation of a monolithic Nd:YAG ring laser

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