Time-resolved coherent anti-Stokes Raman spectroscopy impulsively excited by supercontinuum

被引：3

作者：

Xu, Qian ^{[1
]}

Shi, Kebin ^{[1
]}

Liu, Zhiwen ^{[1
]}

机构：

[1] Penn State Univ, Dept Elect Engn, University Pk, PA 16802 USA

来源：

JOURNAL OF RAMAN SPECTROSCOPY | 2011年 / 42卷 / 12期

关键词：

CARS; supercontinuum impulsive excitation; frequency-resolved optical gating (FROG); PHOTONIC CRYSTAL FIBER; SCATTERING MICROSCOPY; OPTICAL-FIBERS; GENERATION;

D O I：

10.1002/jrs.2969

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

Time-resolved coherent anti-Stokes Raman scattering (CARS) impulsively excited by a supercontinuum (SC) is investigated. We show that it is critical to optimize the temporal overlapping of the constituent solitons of a SC in order to impulsively excite vibrational modes over a broad frequency range. The cross-correlation frequency-resolved optical gating technique is utilized to retrieve the optical response function of molecules under SC impulsive excitation, and background-free CARS with spectral resolution significantly better than the bandwidth of the probe pulses is achieved. Copyright (C) 2011 John Wiley & Sons, Ltd.

引用

页码：2100 / 2104

页数：5

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