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Pulsed-laser Pumped Photothermal Deflection Spectroscopy for Liquid Thermal Diffusivity Measurement |
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| Authors: | Xiao Liantuan Li Changyong Zhang Linjie Zhao Yanting Jia Suotang Zhou Guosheng |
| 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%. |
| Keywords: | photothermal deflection spectroscopy thermal diffusivity pulsed laser |
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