Measurements of flame temperature by femtosecond CARS  

作　　者：夏元钦 赵阳 张天天 贺平 樊荣伟 董志伟 陈德应 张中华 

机构地区：[1]National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150080, China

出　　处：《Chinese Optics Letters》2012年第B06期208-209,共2页中国光学快报（英文版）

摘　　要：Time-resolved femtosecond coherent anti-Stokes Raman spectroscopy （fs-CARS） is utilized to measure the methane/oxygen/nitrogen flame temperature at atmospheric-pressure. The measurements are performed using the CARS signal of N2 with 40-fs laser pulses in the first few picoseconds after the initial in-phase excitation. Flame temperatures at 300 and 1 325 K are measured, the experimental results show good agreements with theoretical ones and present a good repeatability.Time-resolved femtosecond coherent anti-Stokes Raman spectroscopy （fs-CARS） is utilized to measure the methane/oxygen/nitrogen flame temperature at atmospheric-pressure. The measurements are performed using the CARS signal of N2 with 40-fs laser pulses in the first few picoseconds after the initial in-phase excitation. Flame temperatures at 300 and 1 325 K are measured, the experimental results show good agreements with theoretical ones and present a good repeatability.

分 类 号：O433.4[机械工程—光学工程] TQ522.1[理学—光学]