Tunable femtosecond laser in the visible range with an intracavity frequency-doubled optical parametric oscillator

We demonstrated experimentally a synchronously pumped intracavity frequency-doubled femtosecond optical para- metric oscillator （OPO） using a periodically-poled lithium niobate （PPLN） as the nonlinear material in combination with a lithium triborate （LBO） as the doubling crystal. A Kerr-lens-mode-lo...

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Published inChinese physics B Vol. 22; no. 5; pp. 339 - 341
Main Author 朱江峰 徐亮 林清峰 钟欣 韩海年 魏志义
Format Journal Article
LanguageEnglish
Published 01.05.2013
Subjects
Crystals
Femtosecond
Holes
Lasers
LBO
Optical Parametric Oscillators
Oscillators
Pumps
Wavelengths
光学参数振荡器
光学参量振荡器
可见光
可调谐
周期性极化铌酸锂
脉冲持续时间
腔内倍频
飞秒激光
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ISSN1674-1056
2058-3834
1741-4199
DOI10.1088/1674-1056/22/5/054210

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Summary:We demonstrated experimentally a synchronously pumped intracavity frequency-doubled femtosecond optical para- metric oscillator （OPO） using a periodically-poled lithium niobate （PPLN） as the nonlinear material in combination with a lithium triborate （LBO） as the doubling crystal. A Kerr-lens-mode-locked （KLM） Ti：sapphire oscillator at the wavelength of 790 nm was used as the pump source, which was capable of generating pulses with a duration as short as 117 fs. A tunable femtosecond laser covering the 624-672 nm range was realized by conveniently adjusting the OPO cavity length. A maximum average output power of 260 mW in the visible range was obtained at the pump power of 2.2 W, with a typical pulse duration of 205 fs assuming a sech2 pulse profile.
Bibliography:Zhu Jiang-Feng, Xu Liang, Lin Qing-Feng, Zhong Xin, Han Hai-Nian, and Wei Zhi-Yi（ 1 School of Technical Physics, Xidian University, Xi＇ an 710071, China 2 Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China）
We demonstrated experimentally a synchronously pumped intracavity frequency-doubled femtosecond optical para- metric oscillator （OPO） using a periodically-poled lithium niobate （PPLN） as the nonlinear material in combination with a lithium triborate （LBO） as the doubling crystal. A Kerr-lens-mode-locked （KLM） Ti：sapphire oscillator at the wavelength of 790 nm was used as the pump source, which was capable of generating pulses with a duration as short as 117 fs. A tunable femtosecond laser covering the 624-672 nm range was realized by conveniently adjusting the OPO cavity length. A maximum average output power of 260 mW in the visible range was obtained at the pump power of 2.2 W, with a typical pulse duration of 205 fs assuming a sech2 pulse profile.
11-5639/O4
femtosecond optical parametric oscillator, intracavity frequency-doubling, tunable visible source
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ISSN:1674-1056
2058-3834
1741-4199
DOI:10.1088/1674-1056/22/5/054210