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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 6, Iss. 11 — Nov. 1, 1981
  • pp: 569–571

Passive ring resonator method for sensitive inertial rotation measurements in geophysics and relativity

G. A. Sanders, M. G. Prentiss, and S. Ezekiel  »View Author Affiliations


Optics Letters, Vol. 6, Issue 11, pp. 569-571 (1981)
http://dx.doi.org/10.1364/OL.6.000569


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Abstract

As part of a program to develop sensitive laser inertial rotation sensors, we have studied the performance of a passive-resonator technique using a 0.7-m × 0.7-m optical cavity. For an averaging time τ of 10 sec, the random drift was 1.1 × 10−2 deg/h, which was consistent with the shot-noise limit for the present setup. For a longer averaging time the random drift was 5.6 × 10−3 deg/h (τ = 90 sec), showing a slight departure from the shot-noise limit. The problems encountered in the present apparatus, as well as those that are critical in the development of much larger resonators for geophysics and relativity applications, are discussed.

© 1981 Optical Society of America

History
Original Manuscript: August 3, 1981
Published: November 1, 1981

Citation
G. A. Sanders, M. G. Prentiss, and S. Ezekiel, "Passive ring resonator method for sensitive inertial rotation measurements in geophysics and relativity," Opt. Lett. 6, 569-571 (1981)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-6-11-569

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