Constant amplitude modulation heterodyne interferometry

doi:10.1364/AO.456944

	Constant amplitude modulation heterodyne interferometry
	Liu, Heshan 3; Wang, Juan 2,3; Gao, Ruihong 1,3; Luo, Ziren 3
刊名	APPLIED OPTICS
	2022-10-01
卷号	61 期号:28 页码:8493-8499
ISSN号	1559-128X
DOI	10.1364/AO.456944
通讯作者	Luo, Ziren(luoziren@imech.ac.cn)
英文摘要	Laser interferometer with picometer precision is a key technology in the space gravitational wave detection. Many interferometry strategies have been put forward for the multiple purposes in the past 10 yr. We propose a new interferometry method, called constant amplitude modulation (CAM) heterodyne interferometry. Differently, the CAMprovides an optical pilot tone (OPT) for the noise correction theme. Compared with the analog pilot tone, the OPT can record and correct more noises, such as the analog to digital converter sampling jitter, the photodetector noise and the analog front-end noise. From the discussion, the modulated depth phi(modulate) = 1.375 rad and the power ratio of the beam split n = 0.432 are the best choice for the CAM-modulated parameter. Moreover, a simulated case has been implemented for the verification of the CAM strategy. Therefore, the CAM gives us another excellent choice in the optical design of the interferometer. (c) 2022 Optica Publishing Group
资助项目	National Key Research and Development Program of China[2020YFC2200104] ; National Key Research and Development Program of China[2021YFC2202902]
WOS研究方向	Optics
语种	英语
WOS记录号	WOS:000900502400002
资助机构	National Key Research and Development Program of China
内容类型	期刊论文
源URL	[http://dspace.imech.ac.cn/handle/311007/91359]
专题	力学研究所_国家微重力实验室
通讯作者	Luo, Ziren
作者单位	1.UCAS, Hangzhou Inst Adv Study, Sch Fundamental Phys & Math Sci, Hangzhou 310024, Peoples R China 2.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China 3.Chinese Acad Sci, Inst Mech, Natl Micrograv Lab NML, Beijing 100190, Peoples R China
推荐引用方式 GB/T 7714	Liu, Heshan,Wang, Juan,Gao, Ruihong,et al. Constant amplitude modulation heterodyne interferometry[J]. APPLIED OPTICS,2022,61(28):8493-8499.
APA	Liu, Heshan,Wang, Juan,Gao, Ruihong,&Luo, Ziren.(2022).Constant amplitude modulation heterodyne interferometry.APPLIED OPTICS,61(28),8493-8499.
MLA	Liu, Heshan,et al."Constant amplitude modulation heterodyne interferometry".APPLIED OPTICS 61.28(2022):8493-8499.