High efficiency generation of 355 nm radiation by extra-cavity frequency conversion

Bin Li, Jianquan Yao, Xin Ding, Quan Sheng, Peng Wang

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

High efficiency extra-cavity third harmonic generation (THG) of 355 nm has been developed. A laser diode (LD) end-pumped, acoustic-optical Q-switched Nd:YAG laser was used as the fundamental wave source. With an input pump power of 25 W, average power of 6.75 W at 1064 nm was generated with the repetition rate 12 kHz and pulse duration 10 ns. Using the extra-cavity frequency conversion of three critical phase match (CPM) LiB3O5 (LBO) crystals, 3.2 W third harmonic radiation at 355 nm was obtained. The optical-to-optical (1064 nm to 355 nm) conversion efficiency was up to 47.4%.

Original languageEnglish
Pages (from-to)3497-3499
Number of pages3
JournalOptics Communications
Volume283
Issue number18
DOIs
StatePublished - 15 Sep 2010
Externally publishedYes

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