Wavelength femtosecond light pulse generated from filamentation-assisted fourth-order nonlinear process in potassium titanyl phosphate crystal

Xipeng Zhang; Hongbing Jiang; Li Chen; Yingying Jiang; Hong Yang; Qihuang Gong

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Wavelength femtosecond light pulse generated from filamentation-assisted fourth-order nonlinear process in potassium titanyl phosphate crystal

机译：磷酸钛氧钾晶体中由丝化辅助的四阶非线性过程产生的波长飞秒光脉冲

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A femtosecond light pulse at 480 nm in wavelength was generated during filamentation of an intense 808 nm femtosecond laser pulse propagating along the x axis and polarized between the y and z axes of a KTP crystal. It was proven that the parametric amplification process by a fourth-order nonlinear polarization ((chi)~(4)((omega)_(2),omega,omega,omega,-(omega)_(1))) induces frequency generation at 480 nm, where the pump light comes from the incident laser and the seed light comes from the generated supercontinuum by filamentation. The wavelength of the generated signal could be turned from 460 to 520 nm by adjusting the propagation direction in the crystal.

机译：在沿KTP晶体的x轴传播并在y和z轴之间偏振的808 nm强飞秒激光脉冲的细丝化过程中，产生了波长为480 nm的飞秒光脉冲。证明了通过四阶非线性极化（（chi）〜（4）（（ω__（2），omega，omega，omega，-ω__（1）））进行的参数放大过程会感应频率在480 nm处产生光，其中泵浦光来自入射激光，而种子光则来自由细丝产生的超连续谱。通过调节晶体的传播方向，可以将产生的信号的波长从460 nm变为520 nm。

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《Optics Letters》 |2008年第12期|共3页
作者
Xipeng Zhang; Hongbing Jiang; Li Chen; Yingying Jiang; Hong Yang; Qihuang Gong;
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正文语种 eng
中图分类光学;
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1. Wavelength femtosecond light pulse generated from filamentation-assisted fourth-order nonlinear process in potassium titanyl phosphate crystal [J] . Xipeng Zhang, Hongbing Jiang, Li Chen, Optics Letters . 2008,第12期

机译：磷酸钛氧钾晶体中由丝化辅助的四阶非线性过程产生的波长飞秒光脉冲
2. Wavelength tuning of femtosecond pulses generated in nonlinear crystals by using diffractive lenses [J] . G. Minguez-Vega, C. Romero, O. Mendoza-Yero, Optics Letters . 2010,第21期

机译：使用衍射透镜对非线性晶体中产生的飞秒脉冲进行波长调谐
3. Generation of high-power femtosecond light pulses at 1 kHz in the mid-infrared spectral range between 3 and 12 μm by second-order nonlinear processes in optical crystals [J] . V Petrov, F Rotermund, F Noack Journal of optics, A. Pure and applied optics: journal of the European Optical Society . 2001,第3期

机译：通过光学晶体中的二阶非线性过程，在3至12μm的中红外光谱范围内产生1 kHz的高功率飞秒光脉冲
4. Wavelength tunable femtosecond optical pulse generated from filamentation-assisted fourth-order nonlinear process in KTP crystal [C] . Xipeng Zhang, Hongbing Jiang, Qihuang Gong Conference on Lasers and Electro-Optics . 2008

机译：从ktp晶体中的细丝辅助的第四阶非线性过程产生的波长可调飞秒光学脉冲
5. Picosecond transient absorption spectroscopy of the oxide crystals lithium niobate, potassium niobate, potassium titanyl phosphate, cadmium tungstate, lead tungstate, and scandium oxide. [D] . Yochum, Henry Martin, III. 1999

机译：皮秒级瞬态吸收光谱法，用于分析铌酸锂，铌酸钾，磷酸氧钛钾，钨酸镉，钨酸铅和scan的氧化物晶体。
6. Super-luminescent jet light generated by femtosecond laser pulses [O] . Zhijun Xu, Xiaonong Zhu, Yang Yu, -1

机译：飞秒激光脉冲产生的超发光喷射光
7. Wavelength tuning of femtosecond pulses generated in nonlinear crystals by using diffractive lenses [O] . G. Mínguez-Vega, C. Romero, O. Mendoza-Yero, 2010

机译：使用衍射镜头在非线性晶体中产生的飞秒脉冲的波长调谐

Wavelength femtosecond light pulse generated from filamentation-assisted fourth-order nonlinear process in potassium titanyl phosphate crystal

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