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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 18 — Aug. 29, 2011
  • pp: 16722–16729

High-efficiency third harmonic generation at 355nm based on La2CaB10O19

Jianxiu Zhang, Lirong Wang, Yang Wu, Guiling Wang, Peizhen Fu, and Yicheng Wu  »View Author Affiliations

Optics Express, Vol. 19, Issue 18, pp. 16722-16729 (2011)

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La2CaB10O19 (LCB) crystals with size up to 55 × 35 × 25 mm3 have been grown by the top-seeded solution growth (TSSG) method. The refractive indices were accurately measured over the full transmission range, and the second-order nonlinear optical coefficients were determined by the Maker fringe technique. The phase-matching(PM) conditions were calculated for third-harmonic generation (THG) at different wavelengths. The THG experiments for type I and type II LCB crystals were performed. For type I LCB, a 355 nm UV light output of 5.0 mW corresponding to the conversion efficiency of 28.3% was generated under a picosecond Nd:YAG laser, and 16 W with the efficiency of 17.5% was generated under a nanosecond 1064 nm pumping source. For type II LCB, 3.5mW THG output with conversion efficiency of 21.1% was obtained under a picosecond Nd:YAG laser, and 7.6 W with the efficiency of 7.9% was generated under a nanosecond 1064 nm pumping source. The results indicated that the LCB crystal is a promising UV nonlinear optical material because of its good THG performance and nonhygroscopicity.

© 2011 OSA

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing

ToC Category:
Nonlinear Optics

Original Manuscript: July 7, 2011
Revised Manuscript: August 5, 2011
Manuscript Accepted: August 6, 2011
Published: August 15, 2011

Jianxiu Zhang, Lirong Wang, Yang Wu, Guiling Wang, Peizhen Fu, and Yicheng Wu, "High-efficiency third harmonic generation at 355nm based on La2CaB10O19," Opt. Express 19, 16722-16729 (2011)

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