Chinese Journal of Lasers B, 2000, 9 (6): 538, 网络出版: 2006-08-08  

Pulsed-laser Pumped Photothermal Deflection Spectroscopy for Liquid Thermal Diffusivity Measurement

Pulsed-laser Pumped Photothermal Deflection Spectroscopy for Liquid Thermal Diffusivity Measurement
作者单位
Department of Electronics & Information Technology, Shanxi Univ. Taiyuan 030006, China
摘要
Abstract
The pulsed-laser pumped photothermal deflection spectroscopy (PPDS) is applied to measure liquid thermal diffusivity in a modified collinear configuration. Here the pulsed beam is regarded as in the form of a Dirac delta function. The experiment setup used is described. Measurement result for the thermal diffusivity of a liquid sample(magnta/ethanol saturated solution) is reported. The measurement error is less than 3%.

XIAO Liantuan, LI Changyong, ZHANG Linjie, ZHAO Yanting, JIA Suotang, ZHOU Guosheng. Pulsed-laser Pumped Photothermal Deflection Spectroscopy for Liquid Thermal Diffusivity Measurement[J]. Chinese Journal of Lasers B, 2000, 9(6): 538. XIAO Liantuan, LI Changyong, ZHANG Linjie, ZHAO Yanting, JIA Suotang, ZHOU Guosheng. Pulsed-laser Pumped Photothermal Deflection Spectroscopy for Liquid Thermal Diffusivity Measurement[J]. 中国激光(英文版), 2000, 9(6): 538.

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