Force-insensitive optical cavity

Webster, S. and Gill, P. (2011) Force-insensitive optical cavity. Optics Letters, 36(18), pp. 3572-3574. (doi: 10.1364/OL.36.003572) (PMID:21931394)

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Abstract

We describe a rigidly mounted optical cavity that is insensitive to inertial forces acting in any direction and to the compressive force used to constrain it. The design is based on a cubic geometry with four supports placed symmetrically about the optical axis in a tetrahedral configuration. To measure the inertial force sensitivity, a laser is locked to the cavity while it is inverted about three orthogonal axes. The maximum acceleration sensitivity is 2.5×10−11/g (where g=9.81 ms−2), the lowest passive sensitivity to be reported for an optical cavity.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Webster, Dr Stephen
Authors: Webster, S., and Gill, P.
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Optics Letters
Publisher:Optical Society of America
ISSN:0146-9592
ISSN (Online):1539-4794
Published Online:09 September 2011

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