Upper limit to the transverse to longitudinal motion coupling of a waveguide mirror

Leavey, S. et al. (2015) Upper limit to the transverse to longitudinal motion coupling of a waveguide mirror. Classical and Quantum Gravity, 32, 17. (doi:10.1088/0264-9381/32/17/175005)

Leavey, S. et al. (2015) Upper limit to the transverse to longitudinal motion coupling of a waveguide mirror. Classical and Quantum Gravity, 32, 17. (doi:10.1088/0264-9381/32/17/175005)

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Abstract

Waveguide mirrors possess nano-structured surfaces which can potentially provide a significant reduction in thermal noise over conventional dielectric mirrors. To avoid introducing additional phase noise from motion of the mirror transverse to the reflected light, however, they must possess a mechanism to suppress the phase effects associated with the incident light translating across the nano-structured surface. It has been shown that with carefully chosen parameters this additional phase noise can be suppressed. We present an experimental measurement of the coupling of transverse to longitudinal displacements in such a waveguide mirror designed for 1064 nm light. We bound the level of measured transverse to longitudinal motion between one part in fifty two thousand five hundred and one part in eight thousand seven hundred with 95% confidence, representing a significant improvement over a previously measured grating mirror.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Messenger, Dr Christopher and Bell, Dr Angus and Hild, Professor Stefan and Barr, Dr Bryan and Sorazu Lucio, Dr Borja and Leavey, Mr Sean and Graef, Dr Christian and Huttner, Dr Sabina and Pitkin, Dr Matthew
Authors: Leavey, S., Barr, B., Bell, A., Gordon, N., Graef, C., Hild, S., Huttner, S., Kley, E.-B., Kroker, S., Macarthur, J., Messenger, C., Pitkin, M., Sorazu, B., Strain, K., and Tuennerman, A.
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Classical and Quantum Gravity
Publisher:IOP Publishing Ltd
ISSN:0264-9381
ISSN (Online):1361-6382
Copyright Holders:Copyright © 2015 IOP Publishing Ltd
First Published:First published in Classical and Quantum Gravity 17:32
Publisher Policy:Reproduced under a Creative Commons License
Data DOI:10.5525/gla.researchdata.221

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
624341Investigations in Gravitational Radiation / Particle Astrophysics Capital equipmentSheila RowanScience & Technologies Facilities Council (STFC)ST/L000946/1S&E P&A - PHYSICS & ASTRONOMY