Wu, Sheng and Blake, Geoffrey A. and Sun, Zhaoyang and Ling, Jiwu (1997) Simple, high-performance type II β-BaB2O4 optical parametric oscillator. Applied Optics, 36 (24). pp. 5898-5901. ISSN 0003-6935 http://resolver.caltech.edu/CaltechAUTHORS:WUSao97
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A visible /near-IR optical parametric oscillator (OPO) based on type II phase matching in β-BaB2O4 (BBO) is described. Pumped at 355 nm, this OPO covers 410-2500 nm completely with a single set of standard Nd:YAG cavity optics. The output efficiency is >25 %, the linewidth of the OPO is narrower than 1 -2 cm^-1 without the use of gratings or etalons, and the signal-beam divergence is <400 µrad. Three type I BBO doubling crystals are used to extend the tuning range from 208 to 415 nm. Doubling efficiencies as high as 40% are easily obtained. The reasons for the high doubling and overall system efficiency are discussed.
|Additional Information:||© 1997 Optical Society of America Received 3 October 1996; revised manuscript received 21 January 1997. This research was supported in part by a U.S. Defense Advanced Research Project Agency/U.S. Office of Naval Research University Research Initiative grant to the California Institute of Technology. The authors also gratefully acknowledge additional instrumentation support from the Infrared, Submillimeter, and Radio Astronomy/Exobiology Programs at NASA and the Experimental Physical Chemistry Program of the U.S. National Science Foundation.|
|Subject Keywords:||Type II β-barium borate optical parametric oscillator, doubling efficiency|
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|Deposited On:||03 May 2006|
|Last Modified:||26 Dec 2012 08:51|
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