Ti:sapphire, broadband vibrational sum-frequency generation spectrometer with a counter-propagating geometry

被引：22

作者：

Ding, Feng ^{[1
]}

Zhong, Qin ^{[1
]}

Brindza, Michael R. ^{[1
]}

Fourkas, John T. ^{[1
,2
]}

Walker, Robert A. ^{[1
]}

机构：

[1] Univ Maryland, Dept Chem & Biochem, College Pk, MD 20742 USA

[2] Univ Maryland, Inst Phys Sci & Technol, College Pk, MD 20742 USA

来源：

OPTICS EXPRESS | 2009年 / 17卷 / 17期

基金：

美国国家科学基金会;

关键词：

SPECTROSCOPY; INTERFACES; SURFACE;

D O I：

10.1364/OE.17.014665

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report the development of a counter-propagating, broadband vibrational sum-frequency generation spectrometer based on a Ti:sapphire regenerative amplifier. We present simple procedures for aligning the spectrometer and for setting the timing of the IR and visible pulses. We demonstrate that the use of this geometry offers a number of important advantages over a co-propagating geometry, including a high dynamic range, reduced nonresonant background signal at buried interfaces, and minimal beam deviation upon changing samples. (C) 2009 Optical Society of America

引用

页码：14665 / 14675

页数：11

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