Generation of femtosecond laser pulses tunable from 380 nm to 465 nm via cascaded nonlinear optical mixing in a noncollinear optical parametric amplifier with a type-I phase matched BBO crystal

Chao Kuei Lee, Jing Yuan Zhang*, Jung Y. Huang, Ci Ling Pan

*Corresponding author for this work

Research output: Contribution to journalArticle

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Abstract

We report the generation of tunable femtosecond pulses from 380nm to 465nm near the degenerate point of a 405-nm pumped type-IBBO noncollinearly phase-matched optical parametric amplifier (NOPA). The tunable UV/blue radiation is obtained from sum frequency generation (SFG) between the OP A output and the residual fundamental beam at 810-nm and cascaded second harmonic generation (SHG) of OP A. With a fixed seeding angle, the generated SFG and SHG covers from 385 nm to 465-nm. With a pumping energy of 75 μJ at 405 nm, the optical conversion efficiency from the pump to the tunable SFG is more than 5% and the efficiency of SHG of the OP A is about 2%.

Original languageEnglish
Pages (from-to)1702-1708
Number of pages7
JournalOptics Express
Volume11
Issue number14
DOIs
StatePublished - 1 Jan 2003

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