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Laser frequency sta...
Laser frequency stabilization based on a universal sub-Doppler NICE-OHMS instrumentation for the potential application in atmospheric lidar
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Zhou, Yueting (author)
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Liu, Jianxin (author)
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Guo, Songjie (author)
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Zhao, Gang (author)
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Ma, Weiguang (author)
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Cao, Zhensong (author)
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Dong, Lei (author)
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Zhang, Lei (author)
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Yin, Wangbao (author)
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Wu, Yongqian (author)
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Xiao, Lianxuan (author)
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- Axner, Ove (author)
- Umeå universitet,Institutionen för fysik
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Jia, Suotang (author)
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(creator_code:org_t)
- 2019-03-19
- 2019
- English.
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In: Atmospheric Measurement Techniques. - Gottingen : Copernicus Gesellschaft MBH. - 1867-1381 .- 1867-8548. ; 12:3, s. 1807-1814
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Abstract
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- Lidar is an effective tool for high-altitude atmospheric measurement in which a weak absorption line for the target gas is selected to ensure a large optical depth. The laser frequency stabilization to the line center is required, and a sub-Doppler (sD) spectroscopy of the target line is preferred as a frequency reference. In this paper, a novel universal sD noise-immune cavity-enhanced optical heterodyne molecular spectroscopy (NICE-OHMS) instrumentation based on a fiber-coupled optical single-sideband electro-optic modulator (f-SSM) for the potential application in atmospheric lidar for different target gases with different types of lasers is reported. The f-SSM can replace all frequency actuators in the system, so as to eliminate the individual design of feedback servos that often are tailored for each laser. The universality of the instrumentation was demonstrated by the alternative use of either an Er-doped fiber laser or a whispering-gallery mode laser. Then the instruments based on both lasers were used to produce the sD signals of acetylene, which worked as a frequency reference to stabilize the laser. By performing the lockings, relative frequency stabilizations of 8.3 x 10(-13) and 7.5 x 10(-13) at an integration time of 240 s were demonstrated.
Subject headings
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Zhou, Yueting
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Liu, Jianxin
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Guo, Songjie
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Zhao, Gang
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Ma, Weiguang
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Cao, Zhensong
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show more...
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Dong, Lei
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Zhang, Lei
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Yin, Wangbao
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Wu, Yongqian
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Xiao, Lianxuan
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Axner, Ove
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Jia, Suotang
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Atom and Molecul ...
- Articles in the publication
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Atmospheric Meas ...
- By the university
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Umeå University