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Opt Express. 2012 Aug 27;20(18):20002-10. doi: 10.1364/OE.20.020002.

Half-joule output optical-parametric oscillation by using 10-mm-thick periodically poled Mg-doped congruent LiNbO3.

Author information

  • 1Laser Research Center for Molecular Science, Institute for Molecular Science, 
38 Nishigonaka, Myodaiji, Okazaki, 444-8585, Japan. ishizuki@ims.ac.jp

Abstract

We present a next generation of large-aperture periodically poled Mg-doped LiNbO3 (PPMgLN) device with 10-mm thickness. Efficient optical parametric oscillation with 540 mJ output energy at 709 mJ pumping by 1.064 µm laser in 10 nanoseconds operation could be demonstrated using the 10-mm-thick PPMgLN with an inversion period of 32.2 µm at total conversion efficiency > 76%. We also confirmed that degradation effect of conversion-efficiency distribution by wedged-inversion structures, which is inevitable in current poling condition of the large-aperture PPMgLN, can be ignored in high-intensity operation.

PMID:
23037053
[PubMed - indexed for MEDLINE]
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