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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 14 — Jul. 14, 2014
  • pp: 17187–17192

A 7.81 W 355 nm ultraviolet picosecond laser using La2CaB10O19 as a nonlinear optical crystal

Ling Zhang, Kai Li, Degang Xu, Haijuan Yu, Guochun Zhang, Yuye Wang, Lirong Wang, Faxian Shan, Chao Yan, Yingying Yang, Baohua Wang, Nan Wang, Xuechun Lin, Yicheng Wu, and Jianquan Yao  »View Author Affiliations


Optics Express, Vol. 22, Issue 14, pp. 17187-17192 (2014)
http://dx.doi.org/10.1364/OE.22.017187


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Abstract

We demonstrate high-power 355 nm ultraviolet (UV) picosecond (ps) laser using a type I phase-matching nonlinear optical crystal of La2CaB10O19 (LCB), which possesses the characteristic of non-hygroscopicity. The high-power third harmonic generation was successfully achieved from two types of 1064 nm ps fundamental lasers. The maximum output power of 7.81 W of 355 nm UV laser was obtained with a pump of 35.2 W 1064 nm ps laser (80 MHz repetition rate, 10 ps pulse width) with optical conversion efficiency of 22.2%. The experimental results show that the LCB crystal is a promising candidate for generating high-power UV laser.

© 2014 Optical Society of America

OCIS Codes
(140.4050) Lasers and laser optics : Mode-locked lasers
(140.7090) Lasers and laser optics : Ultrafast lasers
(160.4330) Materials : Nonlinear optical materials
(190.2620) Nonlinear optics : Harmonic generation and mixing

ToC Category:
Nonlinear Optics

History
Original Manuscript: May 14, 2014
Revised Manuscript: June 26, 2014
Manuscript Accepted: June 27, 2014
Published: July 7, 2014

Citation
Ling Zhang, Kai Li, Degang Xu, Haijuan Yu, Guochun Zhang, Yuye Wang, Lirong Wang, Faxian Shan, Chao Yan, Yingying Yang, Baohua Wang, Nan Wang, Xuechun Lin, Yicheng Wu, and Jianquan Yao, "A 7.81 W 355 nm ultraviolet picosecond laser using La2CaB10O19 as a nonlinear optical crystal," Opt. Express 22, 17187-17192 (2014)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-22-14-17187


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