Gas-phase single-shot thermometry at 1 kHz using fs-CARS spectroscopy

被引：74

作者：

Roy, Sukesh ^{[1
]}

Kulatilaka, Waruna D. ^{[1
]}

Richardson, Daniel R. ^{[2
]}

Lucht, Robert P. ^{[2
]}

Gord, James R. ^{[3
]}

机构：

[1] Spectral Energies LLC, Dayton, OH 45431 USA

[2] Purdue Univ, Sch Mech Engn, W Lafayette, IN 47907 USA

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

来源：

OPTICS LETTERS | 2009年 / 34卷 / 24期

基金：

美国国家科学基金会;

关键词：

FEMTOSECOND CARS;

D O I：

10.1364/OL.34.003857

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Single-laser-shot temperature measurements at a data rate of 1 kHz employing femtosecond coherent anti-Stokes Raman scattering (fs-CARS) spectroscopy of N(2) are demonstrated. The measurements are performed using a chirped-probe pulse to map the time-dependent frequency-spread dephasing of the Raman coherence, which is created by similar to 80-fs pump and Stokes beams, into the spectrum of the coherent anti-Stokes Raman scattering signal pulse. Temperature is determined from the spectral shape of the fs-CARS signal for probe delays of similar to 2 ps with respect to the pump-Stokes excitation. The accuracy and precision of the measurements for the 300-2400 K range are found to be similar to 1%-6% and similar to 1.5%-3%, respectively. (C) 2009 Optical Society of America

引用

页码：3857 / 3859

页数：3

共 6 条

[1] Flame thermometry by femtosecond CARS [J].