Detection of gas component with femtosecond laser pulse

Nan Xu,Jianwei Lie,Jian Li,Zhixin Zhang,Limin Xiong

Precision Electromagnetic Measurements（2010）

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摘要

A technique was provided to nonintrusively detect different gas component by measuring the field-free alignment of molecules caused by 810nm femtosecond laser pulse. The results demonstrated that different gases present different alignment structures at room temperature under one atmosphere pressure. The technique can be employed for rapid detection of gas component.

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关键词

wavelength 810 nm,gas component detection,femtosecond laser pulse,high-speed optical techniques,gas sensors,molecules field-free alignment measurement,polarization,temperature measurement,atmosphere,atmospheric pressure,room temperature,temperature,femtosecond laser

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