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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 23, Iss. 3 — Feb. 1, 1998
  • pp: 207–209

2.5-W, continuous-wave, 629-nm solid-state laser source

Walter R. Bosenberg, Jason I. Alexander, Lawrence E. Myers, and Richard W. Wallace  »View Author Affiliations


Optics Letters, Vol. 23, Issue 3, pp. 207-209 (1998)
http://dx.doi.org/10.1364/OL.23.000207


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Abstract

We report an efficient, high-power, cw, 629-nm laser source based on a diode-pumped Nd:YAG laser and a periodically poled lithium niobate (PPLN) frequency converter. This device integrates two separate frequency-conversion steps in a single crystal, taking advantage of the ability to fabricate PPLN with nearly arbitrary grating periods and phase-matching temperatures. This device uses a single PPLN crystal that has two grating regions in series. The first region quasi-phase matches a standard optical parametric oscillator process (1064nm→1540nm +3450nm), and the second region quasi-phase matches a sum-frequency process whereby the pump and the signal light make red light (1064nm+1540nm →629nm). Using a four-mirror ring cavity, we were able to convert 21% of the 1064-nm pump to 629-nm output, yielding 2.5W of red output with 11.8W of input.

© 1998 Optical Society of America

OCIS Codes
(140.3580) Lasers and laser optics : Lasers, solid-state
(160.3730) Materials : Lithium niobate

Citation
Walter R. Bosenberg, Jason I. Alexander, Lawrence E. Myers, and Richard W. Wallace, "2.5-W, continuous-wave, 629-nm solid-state laser source," Opt. Lett. 23, 207-209 (1998)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-23-3-207

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