Fiber optic electrometer with mechanical resonator

Alexander V. Churenkov

doi:10.1117/12.169922

9 March 1994 Fiber optic electrometer with mechanical resonator

Alexander V. Churenkov

Proceedings Volume 2070, Fiber Optic and Laser Sensors XI; (1994) https://doi.org/10.1117/12.169922
Event: Optical Tools for Manufacturing and Advanced Automation, 1993, Boston, MA, United States

Abstract

A fiber optic electrometer with oscillating element is described in this paper. The non-contact interferometric interrogation system of electrometer provides high-sensitivity measurement of voltage and charge, inducing very small disturbances in the measured object. The sensitivity of 2 (DOT) 10^-4 V/(Hz)^1/2 was achieved, while the sensitivity of 3 (mu) V/(Hz)^1/2 is predicted from the thermal fluctuation limit. An order of magnitude estimation indicates that the sensitivity to an electric charge close to the electron charge may be achieved with an electrometer of considered type.

Citation Download Citation

Alexander V. Churenkov "Fiber optic electrometer with mechanical resonator", Proc. SPIE 2070, Fiber Optic and Laser Sensors XI, (9 March 1994); https://doi.org/10.1117/12.169922

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