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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 8 — Apr. 15, 2014
  • pp: 2495–2498

Length control of an optical resonator using second-order transverse modes

John Miller and Matthew Evans  »View Author Affiliations


Optics Letters, Vol. 39, Issue 8, pp. 2495-2498 (2014)
http://dx.doi.org/10.1364/OL.39.002495


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Abstract

We present the analysis of an unorthodox technique for locking a laser to a resonant optical cavity. Error signals are derived from the interference between the fundamental cavity mode and higher-order spatial modes of order two excited by mode mismatch. This scheme is simple, inexpensive, and, in contrast to similar techniques, first-order insensitive to beam jitter. After mitigating sources of technical noise, performance is fundamentally limited by quantum shot noise.

© 2014 Optical Society of America

OCIS Codes
(120.2230) Instrumentation, measurement, and metrology : Fabry-Perot
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(140.4780) Lasers and laser optics : Optical resonators

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: January 28, 2014
Revised Manuscript: March 11, 2014
Manuscript Accepted: March 12, 2014
Published: April 15, 2014

Citation
John Miller and Matthew Evans, "Length control of an optical resonator using second-order transverse modes," Opt. Lett. 39, 2495-2498 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-8-2495


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