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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 24, Iss. 24 — Dec. 15, 1999
  • pp: 1838–1840

Optical phase locking in the microradian domain: potential applications to NASA spaceborne optical measurements

Jun Ye and John L. Hall  »View Author Affiliations


Optics Letters, Vol. 24, Issue 24, pp. 1838-1840 (1999)
http://dx.doi.org/10.1364/OL.24.001838


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Abstract

We have constructed and demonstrated a high-performance optical phase-locked loop between two cw Nd:YAG lasers. The feedback system is relatively simple, employing only the laser’s internal piezoelectric transducer and an external acousto-optic modulator. A residual phase noise of the order of 1µrad between two optical fields is achieved in the locked condition, as is verified by time- and frequency-domain analyses by the two-oscillator approach that is conventionally used in rf measurement. Potential applications to NASA space-based optical measurements are discussed.

© 1999 Optical Society of America

OCIS Codes
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.4640) Instrumentation, measurement, and metrology : Optical instruments
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(140.3530) Lasers and laser optics : Lasers, neodymium
(350.5030) Other areas of optics : Phase

Citation
Jun Ye and John L. Hall, "Optical phase locking in the microradian domain: potential applications to NASA spaceborne optical measurements," Opt. Lett. 24, 1838-1840 (1999)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-24-24-1838

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