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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 28, Iss. 22 — Nov. 15, 2003
  • pp: 2219–2221

20W of continuous-wave sodium D2 resonance radiation from sum-frequency generation with injection-locked lasers

Joshua C. Bienfang, Craig A. Denman, Brent W. Grime, Paul D. Hillman, Gerald T. Moore, and John M. Telle  »View Author Affiliations


Optics Letters, Vol. 28, Issue 22, pp. 2219-2221 (2003)
http://dx.doi.org/10.1364/OL.28.002219


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Abstract

A 20-W all-solid-state continuous-wave single-frequency source tuned to the sodium D2a line at 589.159 nm has been developed for adaptive optical systems. This source is based on sum-frequency mixing two injection-locked Nd:YAG lasers in lithium triborate in a doubly resonant external cavity. Injection locking the Nd:YAG lasers not only ensures single-frequency operation but also allows the use of a single rf local oscillator for Pound–Drever–Hall locking both the injection–slave and the sum-frequency cavities. We observe power-conversion efficiencies in excess of 55% and a linearly polarized diffraction-limited output tunable across the sodium D2 line (589.156 to 589.160 nm) with no change in output power and with high amplitude and pointing stability.

© 2003 Optical Society of America

OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(010.7350) Atmospheric and oceanic optics : Wave-front sensing
(140.3520) Lasers and laser optics : Lasers, injection-locked
(190.2620) Nonlinear optics : Harmonic generation and mixing
(230.5750) Optical devices : Resonators

Citation
Joshua C. Bienfang, Craig A. Denman, Brent W. Grime, Paul D. Hillman, Gerald T. Moore, and John M. Telle, "20W of continuous-wave sodium D2 resonance radiation from sum-frequency generation with injection-locked lasers," Opt. Lett. 28, 2219-2221 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-22-2219

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