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A sinusoidal phase-modulating fiber-optic interferometer insensitive to the intensity change of the light source
Wang, XF; Wang, XZ; Liu, YM; Zhang, CN; Yu, DY; Wang, XZ (reprint author), Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Informat Opt Lab, POB 800-211, Shanghai 201800, Peoples R China
2003
Source PublicationOpt. Laser Technol.
Volume35Issue:3Pages:219
AbstractIn a conventional laser-diode sinusoidal phase-modulating (LD-SPM) interferometer, the wavelength of the LD is modulated by varying its injection current. The intensity modulation concurrent with the wavelength modulation leads to measurement errors. A photothermal-modulation method has been proposed to decrease the intensity change of the LD; however, this method cannot be used to measure vibration with a high frequency, and the beam diameter is too large to be used to measure minute objects. In this paper, we propose LD-SPM fiber-optic interferometer, in which the effect of the intensity change of the light source on measurement is eliminated. The diameter of the light beam is less than 0.5 mm. Using this interferometer, we measured displacements of a mirror driven by a piezoelectric transducer. The measurement repeatability is less than 1 nm. (C) 2003 Elsevier Science Ltd. All rights reserved.
SubtypeArticle
DOI10.1016/S0030-3992(02)00176-7
Indexed BySCI
Language英语
WOS IDWOS:000181253000011
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Cited Times:15[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.siom.ac.cn/handle/181231/18129
Collection信息光学开放实验室
Corresponding AuthorWang, XZ (reprint author), Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Informat Opt Lab, POB 800-211, Shanghai 201800, Peoples R China
Affiliation1.Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Informat Opt Lab, Shanghai 201800, Peoples R China
2.Shanghai Univ Sci & Technol, Sch Mat Sci & Engn, Shanghai 201800, Peoples R China
Recommended Citation
GB/T 7714
Wang, XF,Wang, XZ,Liu, YM,et al. A sinusoidal phase-modulating fiber-optic interferometer insensitive to the intensity change of the light source[J]. Opt. Laser Technol.,2003,35(3):219.
APA Wang, XF,Wang, XZ,Liu, YM,Zhang, CN,Yu, DY,&Wang, XZ .(2003).A sinusoidal phase-modulating fiber-optic interferometer insensitive to the intensity change of the light source.Opt. Laser Technol.,35(3),219.
MLA Wang, XF,et al."A sinusoidal phase-modulating fiber-optic interferometer insensitive to the intensity change of the light source".Opt. Laser Technol. 35.3(2003):219.
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