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Conference Paper
CLEO: Applications and Technology
San Jose, California United States
May 6-11, 2012
ISBN: 978-1-55752-943-5
Symposium on Space Optical Systems: Opportunities and Challenges I (JWIC)

A digital phasemeter for precision length measurements

Malcolm Gray, Terry McRae, Magnus Hsu, Jan Herrmann, and Daniel Shaddock  »View Author Affiliations


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We report on a digital phasemeter for application in precision length measurement using laser interferometry. Our interferometer demonstrates a length sensitivity of 0.5pm/√Hz above 5Hz, and a cyclic error of better than 50pm.

© 2012 OSA

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.5050) Instrumentation, measurement, and metrology : Phase measurement

M. Gray, T. McRae, M. Hsu, J. Herrmann, and D. Shaddock, "A digital phasemeter for precision length measurements," in Conference on Lasers and Electro-Optics 2012, OSA Technical Digest (online) (Optical Society of America, 2012), paper JW1C.4.

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