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Conferences > LS > 2010 > LThG > LThG3

High resolution Fabry-Perot displacement interferometry: a bridge between the meter and the farad

M. Durand, J. Lawall, and Y. Wang

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Abstract

A high resolution Fabry-Perot interferometer system is designed to measure displacement. We achieve a fractional uncertainty of δL/L~1.25×10−9 without any optical frequency standard, and resolve hysteresis in a piezoelectric actuator over 7 nm.

© 2010 Optical Society of America

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