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Low-threshold BBO OPO with cylindrical focusing

Wu, Sheng and Blake, Geoffrey A. and Sun, Sunny and Ling, Jiwu (1998) Low-threshold BBO OPO with cylindrical focusing. In: Nonlinear Optical Engineering. Proceedings of SPIE. No.3263. Society of Photo-optical Instrumentation Engineers (SPIE) , Bellingham, WA, pp. 52-55. ISBN 9780819427021. https://resolver.caltech.edu/CaltechAUTHORS:20180801-112859761

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Abstract

The design of a BBO OPO cavity based on cylindrical focusing of the pump beam in the insensitive plane of the non-linear crystal is presented and characterized. A variety of beam sizes in the sensitive plane of the BBO crystal are investigated, and in all cases this cavity design is found to significantly lower the operational threshold pulse energy of 355 nm pumped type I BBO OPOs. With optimal beam focussing parameters, the measured threshold intensity of 45 MW/cm^2 is similar to that of conventional OPOs, but the threshold pulse energy of 0.4 mJ is some twenty times lower than that found in circularly symmetric pump beams. Pump pulse energies in this range can now be routinely achieved with diode-pumped Q-switched lasers, and the combination of these sources with cylindrically-focussed OPO cavities should result in a new class of all-solid-state high repetition rate and high average power non-linear light sources that can be tuned over the entire visible wavelength region.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.1117/12.308346DOIArticle
ORCID:
AuthorORCID
Blake, Geoffrey A.0000-0003-0787-1610
Additional Information:© 1998 Society of Photo-Optical Instrumentation Engineers (SPIE).
Subject Keywords:BBO OPO, cylindrical focusing
Series Name:Proceedings of SPIE
Issue or Number:3263
Record Number:CaltechAUTHORS:20180801-112859761
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20180801-112859761
Official Citation:Sheng Wu, Geoffrey A. Blake, Sunny Sun, Jiwu Ling, "Low-threshold BBO OPO with cylindrical focusing", Proc. SPIE 3263, Nonlinear Optical Engineering, (19 May 1998); doi: 10.1117/12.308346; https://doi.org/10.1117/12.308346
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:88443
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:01 Aug 2018 21:56
Last Modified:03 Oct 2019 20:06

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