Parametric generation of 1-ps pulses between 5 and 11 mu m with a ZnGeP2 crystal

被引：24

作者：

Petrov, V

Tanaka, Y

Suzuki, T

机构：

[1] Inst. of Phys. and Chem. Research

[2] Max-Born-Inst. Nonlinear Opt. U., Berlin

[3] Inst. of Phys. and Chem. Research, Wako-shi, Saitama 351-01

来源：

IEEE JOURNAL OF QUANTUM ELECTRONICS | 1997年 / 33卷 / 10期

关键词：

frequency conversion; infrared measurements; infrared spectroscopy; nonlinear optics; optical parametric amplifiers; optical pulses;

D O I：

10.1109/3.631278

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We use a novel picosecond source (a seeded optical parametric amplifier tunable near 3 mu m) to pump a type-II ZnGeP2 traveling-wave optical parametric generator. With a rather simplified two-pass arrangement, the tunability of the driving Ti:sapphire regenerative amplifier is extended continuously up to 11 mu m. As a result of the short pulse pumping and the pulse compression accompanying the parametric amplification, nearly bandwidth-limited pulses could be generated for the first time with this crystal. We report microjoule output energies with 20% quantum efficiency and unprecedentedly low (<100 MW/cm(2) for a crystal length of only 1 cm) parametric gain thresholds.

引用

收藏

页码：1749 / 1755

页数：7

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