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Path-length measurement performance evaluation of polarizing laser interferometer prototype
Li YQ(李玉琼); Luo ZR(罗子人); Liu HS(刘河山); Dong, YH; Jin G(靳刚); Jin, G (reprint author), Chinese Acad Sci, Inst Mech, NML, Beijing 100190, Peoples R China.
Source PublicationAPPLIED PHYSICS B-LASERS AND OPTICS
2015-02
Volume118Issue:2Pages:309-317
ISSN0946-2171
AbstractThe space laser interferometer has been considered the most promising means for detecting gravitational waves and improving the accuracy and spatial resolution of the Earth's gravity model. An on-ground polarizing laser interferometer prototype equipped with one reference interferometer and two measurement interferometers having equal-length arms is presented in the paper. The laser interferometer prototype is designed as the demonstration of a Chinese space laser interferometer antenna in the future, of which the path-length measurement performance evaluation and preliminary noise analysis are investigated here. The results show that the path-length measurement sensitivity is better than 200 pm/Hz(A1/2) in the frequency band of 10 mHz-1 Hz, and the sensitivity of measuring the motion of a sinusoidally driven testmass is better than 100 pm within the frequency regime of 1 mHz-1 Hz. In this way, laboratory activities have demonstrated the feasibility of this prototype to measure tiny path-length fluctuations of the simulated testmass. As a next step, adopting an integrated design of optics and optical substrate to enhance the stability of the laser interferometer is being planned, and other key techniques included in the space laser interferometer such as laser pointing modulation and laser phase-locking control are to be implanted into this prototype are under consideration.
Subject AreaOptics ; Physics
DOI10.1007/s00340-014-5987-7
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000348436300017
WOS KeywordMASS BLACK-HOLES; ESA CORNERSTONE MISSION; BIG-BANG OBSERVER; LISA-TECHNOLOGY; POPULATION-III; LTP
Funding OrganizationThis work has been funded by the Scientific Equipment Development and Research Project of Chinese Academy of Sciences from 2011 to 2013 grant Y231411YB1 and supported by the Space Science Research Project in advance of Chinese Academy of Sciences from 2009 to 2011 grant O930143XM1. The authors thank Vitali Muller from the Max Planck Institute for Gravitational Physics for valuable help in the simulation of the laser interferometer prototype and data processing.
DepartmentNML纳米生物光学
Classification二类/Q2
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/49644
Collection国家微重力实验室
Corresponding AuthorJin, G (reprint author), Chinese Acad Sci, Inst Mech, NML, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Li YQ,Luo ZR,Liu HS,et al. Path-length measurement performance evaluation of polarizing laser interferometer prototype[J]. APPLIED PHYSICS B-LASERS AND OPTICS,2015,118(2):309-317.
APA Li YQ,Luo ZR,Liu HS,Dong, YH,Jin G,&Jin, G .(2015).Path-length measurement performance evaluation of polarizing laser interferometer prototype.APPLIED PHYSICS B-LASERS AND OPTICS,118(2),309-317.
MLA Li YQ,et al."Path-length measurement performance evaluation of polarizing laser interferometer prototype".APPLIED PHYSICS B-LASERS AND OPTICS 118.2(2015):309-317.
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