Photo-thermal interferometry phase generation carrier of aerosol absorption

Li Shuwang; Shao Shiyong; Mei Haiping; Rao Ruizhong

doi:10.11884/HPLPB201628.121001

Volume 28 Issue 04

Mar. 2016

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Article Navigation > High Power Laser and Particle Beams > 2016 > 28(04): 041001

Shi Difu, Qian Baoliang. Simulation study on relativistic magnetron with online switchable rotation direction of a circularly polarized TE11output mode[J]. High Power Laser and Particle Beams, 2021, 33: 073003. doi: 10.11884/HPLPB202133.210124

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Li Shuwang, Shao Shiyong, Mei Haiping, et al. Photo-thermal interferometry phase generation carrier of aerosol absorption[J]. High Power Laser and Particle Beams, 2016, 28: 041001. doi: 10.11884/HPLPB201628.121001

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Photo-thermal interferometry phase generation carrier of aerosol absorption

doi: 10.11884/HPLPB201628.121001

1.
Key Laboratory of Atmospheric Composition and Optical Radiation,Anhui Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Hefei 230031,China;
2.
Science Island Branch of Graduate School,University of Science and Technology of China,Hefei 230026,China

Received Date: 2015-10-15
Rev Recd Date: 2015-12-04
Publish Date: 2016-04-15

Abstract

Abstract

Demodulation algorithm is the key technique of interferometry. Simulation and experiment study of the phase generation carrier(PGC) algorithm is done based on the fiber photo-thermal instrument. Firstly, the study found the mechanism of phase generated carrier algorithms for measuring phase change information; secondly, it verified the PGC algorithms through applying different voltage on piezoelectricity to simulate the actual aerosol absorption coefficient circumstance, and finally it compared corresponding results of different nitrogen dioxide concentration, simulating demodulation phase signal and interference pattern method. The results prove that the PGC algorithms can satisfy the requirements of the fiber photo-thermal aerosol absorption measurement instrument.
- aerosol absorption coefficient,
- photo-thermal interferometry,
- phase generated carrier algorithm,
- piezoelectric ceramics

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沈阳化工大学材料科学与工程学院沈阳 110142

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Photo-thermal interferometry phase generation carrier of aerosol absorption

doi: 10.11884/HPLPB201628.121001

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Photo-thermal interferometry phase generation carrier of aerosol absorption

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