1-kHz two-dimensional coherent anti-Stokes Raman scattering (2D-CARS) for gas-phase thermometry

被引：51

作者：

Miller, Joseph D. ^{[1
]}

Slipchenko, Mikhail N. ^{[2
,3
]}

Mance, Jason G. ^{[2
]}

Roy, Sukesh ^{[2
]}

Gord, James R. ^{[1
]}

机构：

[1] US Air Force, Res Lab, Aerosp Syst Directorate, Wright Patterson Afb, OH 45433 USA

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

[3] Purdue Univ, Dept Mech Engn, W Lafayette, IN 47907 USA

来源：

OPTICS EXPRESS | 2016年 / 24卷 / 22期

关键词：

BURST-MODE LASER; KHZ;

D O I：

10.1364/OE.24.024971

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Two-dimensional gas-phase coherent anti-Stokes Raman scattering (2D-CARS) thermometry is demonstrated at 1 kHz in a heated jet. A hybrid femtosecond/picosecond CARS configuration is used in a two-beam phase-matching arrangement with a 100-femtosecond pump/Stokes pulse and a 107-picosecond probe pulse. The femtosecond pulse is generated using a mode-locked oscillator and regenerative amplifier that is synchronized to a separate picosecond oscillator and burst-mode amplifier. The CARS signal is spectrally dispersed in a custom imaging spectrometer and detected using a high-speed camera with image intensifier. 1-kHz, single-shot planar measurements at room temperature exhibit error of 2.6% and shot-to-shot variations of 2.6%. The spatial variation in measured temperature is 9.4%. 2D-CARS temperature measurements are demonstrated in a heated O-2 jet to capture the spatiotemporal evolution of the temperature field. (C) 2016 Optical Society of America

引用

页码：24971 / 24979

页数：9

共 15 条

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