High-power broadly tunable picosecond IR laser system for use in nonlinear spectroscopic applications

被引：38

作者：

Gragson, DE ^{[1
]}

McCarty, BM ^{[1
]}

Richmond, GL ^{[1
]}

Alavi, DS ^{[1
]}

机构：

[1] UNIV OREGON, SHARED LASER FACIL, EUGENE, OR 97403 USA

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 1996年 / 13卷 / 09期

关键词：

D O I：

10.1364/JOSAB.13.002075

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We developed a high-power tunable picosecond IR laser system suitable for nonlinear spectroscopic investigations. We employ a Ti:sapphire regenerative amplifier that produces 1.9-ps, 17-cm(-1), 800-nm pulses at 1 kHz as a pump source. White-light generation in ethylene glycol and optical parametric amplification in potassium titanyl phosphate are used to produce the IR pulses. The tuning range extends from 2.4 to 3.8 mu m in the idler and 1.0 to 1.2 mu m in the signal. A total efficiency (signal plus idler) as high as 20% was achieved. The spatial, spectral, and temporal characteristics of the IR beam are presented along with vibrational sum-frequency spectra from a glass/octadecyltrichlorosilane/air interface. (C) 1996 Optical Society of America.

引用

页码：2075 / 2083

页数：9

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