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Title:Investigation of the effective transmittance of Mach-Zehnder interferometer in the multi-longitudinal-mode high-spectral-resolution lidar
Authors:ID Gao, Fei, School of Mechanical and Precision Instrument Engineering, Xi’an University of Technology, Xi’an 710048, China (Author)
ID Gao, Fengjia, School of Mechanical and Precision Instrument Engineering, Xi’an University of Technology, Xi’an 710048, China (Author)
ID Yang, Xiao, School of Mechanical and Precision Instrument Engineering, Xi’an University of Technology, Xi’an 710048, China (Author)
ID Li, Gaipan, School of Mechanical and Precision Instrument Engineering, Xi’an University of Technology, Xi’an 710048, China (Author)
ID Wang, Li, School of Mechanical and Precision Instrument Engineering, Xi’an University of Technology, Xi’an 710048, China (Author)
ID Wang, Meng, School of Mechanical and Precision Instrument Engineering, Xi’an University of Technology, Xi’an 710048, China (Author)
ID Hua, Dengxin, School of Mechanical and Precision Instrument Engineering, Xi’an University of Technology, Xi’an 710048, China (Author)
ID Močnik, Griša, Center for Atmospheric Research, University of Nova Gorica, Nova Gorica SI-5000, Solvenia (Author)
ID Stanič, Samo, Center for Atmospheric Research, University of Nova Gorica, Nova Gorica SI-5000, Solvenia (Author)
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Language:English
Work type:Not categorized
Typology:1.01 - Original Scientific Article
Organization:UNG - University of Nova Gorica
Abstract:Effective transmittance is an important parameter of Mach-Zehnder interferometer in the retrieval of aerosol optical properties using the multi-longitudinal-mode high-spectral-resolution lidar, which is a function of the complex degree of coherence. In this paper, we retrieve the parameter of the complex degree of coherence for the multi-longitudinal-mode laser from the theoretical analysis, optical simulation and experimental measurements, which are 0.726, 0.678 and 0.453 using the Mach-Zehnder interferometer with the optimal optical path difference of two times of laser optical cavity length (∼1000 mm) and under the light illumination of the high power Nd:YAG laser with the mode number of 101 and mode interval of 300 MHz under the condition of laser linewidth of 1 cm−1 (30 GHz). The preliminary measurement results of aerosol optical properties using the constructing multi-longitudinal-mode high-spectral-resolution lidar show that the difference of the complex degree of coherence retrieved from the presented methods results in the relative error of 40% in the aerosol backscattering coefficient with thin cloud layer and 90% with the presence of dense aerosol layer.
Keywords:effective transmittance, Mach-Zehnder interferometer, Multi-logitudinal-mode laser, High-spectral-resolution lidar
Year of publishing:2022
Number of pages:11
Numbering:2023
PID:20.500.12556/RUNG-7609 New window
COBISS.SI-ID:122010627 New window
DOI:https://doi.org/10.1016/j.optlaseng.2022.107275 New window
NUK URN:URN:SI:UNG:REP:UEHKQ6PW
Publication date in RUNG:20.09.2022
Views:1363
Downloads:0
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Record is a part of a journal

Title:Optics and Lasers in Engineering
Year of publishing:2022

Document is financed by a project

Funder:ARRS - Slovenian Research Agency
Project number:P1-0031
Name:Večglasniška astrofizika

Licences

License:CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:19.09.2022

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