Theoretical and experimental studies of tunable ultraviolet-blue femtosecond pulses in a 405-nm pumped type I β-BaB2O 4 noncollinear optical parametric amplifier and cascading sum-frequency generation

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

*Corresponding author for this work

研究成果: Article同行評審

5 引文 斯高帕斯(Scopus)

摘要

Femtosecond laser pulses that are tunable from 380 to 460 nm were directly generated from a 405-nm-pumped type I β-BaB2O 4 noncollinear optical parametric amplifier (NOPA). A white-light supercontinuum from a CaF2 plate excited by 810-nm pulses was seeded into the NOPA. A theoretical analysis showed that the near-UV-to-blue radiation generated is attributable to cascaded sum-frequency generation (SFG) of the output of the NOPA and the residual fundamental beam at 810 nm. One can tune the blue-UV light by either changing the orientation of the NOPA crystal or adjusting the angle between the pump and the seeding pulse. The optical conversion efficiency from the 405-nm pump to the tunable SFG radiation is more than 5%.

原文English
頁(從 - 到)1494-1499
頁數6
期刊Journal of the Optical Society of America B: Optical Physics
21
發行號8
DOIs
出版狀態Published - 1 一月 2004

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