Binary phase shaping for selective single-beam CARS spectroscopy and imaging of gas-phase molecules

被引：19

作者：

Wrzesinski, Paul J. ^{[1
]}

Pestov, Dmitry ^{[1
]}

Lozovoy, Vadim V. ^{[1
]}

Xu, Bingwei ^{[2
]}

Roy, Sukesh ^{[3
]}

Gord, James R. ^{[4
]}

Dantus, Marcos ^{[1
,2
]}

机构：

[1] Michigan State Univ, Dept Chem, E Lansing, MI 48824 USA

[2] BioPhoton Solut Inc, E Lansing, MI 48823 USA

[3] SpectralEnergies LLC, Dayton, OH 45431 USA

[4] USAF, Res Lab, Prop Directorate, Wright Patterson AFB, OH 45433 USA

来源：

JOURNAL OF RAMAN SPECTROSCOPY | 2011年 / 42卷 / 03期

关键词：

pulse shaping; selective excitation; pseudorandom binary phase; standoff detection; spectroscopy; STOKES-RAMAN SCATTERING; RESOLUTION SPECTROSCOPY; LASER-PULSES; INTERFERENCE; STANDOFF;

D O I：

10.1002/jrs.2709

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

We report on mode-selective single-beam coherent anti-Stokes Raman scattering spectroscopy of gas-phase molecules. Binary phase shaping (BPS) is used to produce single-mode excitation of O(2), N(2), and CO(2) vibrational modes in ambient air and gas-phase mixtures, with high-contrast rejection of off-resonant Raman modes and efficient nonresonant-background suppression. In particular, we demonstrate independent excitation of CO(2) Fermi dyads at similar to 1280 and similar to 1380 cm(-1) and apply BPS for high-contrast imaging of CO(2) jet in ambient air. Copyright (C) 2010 John Wiley & Sons, Ltd.

引用

页码：393 / 398

页数：6

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