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Absolute Deformation Measurement Using Fiber-Optic White Light Interferometer with Two Broad-Band Sources
Abstract Reading of the central fringe in absolute deformation measurement using white light fiber-optic interferometer (WLFOI) is proposed through introducing the second broadband source and a zero sensing arm. The zero sensing arm is a reminder about the initial position that have to be lost during the deformation. The second source is used to form a synthesized equivalent wideband source that, in general, is not available commercially. This combined source could simplify the central fringe identification. The design can carry out a good balance between the reading speed and precision in the absolute deformation measurement by WLFOI. A preliminary experiment confirms its efficiency.
Absolute Deformation Measurement Using Fiber-Optic White Light Interferometer with Two Broad-Band Sources
Abstract Reading of the central fringe in absolute deformation measurement using white light fiber-optic interferometer (WLFOI) is proposed through introducing the second broadband source and a zero sensing arm. The zero sensing arm is a reminder about the initial position that have to be lost during the deformation. The second source is used to form a synthesized equivalent wideband source that, in general, is not available commercially. This combined source could simplify the central fringe identification. The design can carry out a good balance between the reading speed and precision in the absolute deformation measurement by WLFOI. A preliminary experiment confirms its efficiency.
Absolute Deformation Measurement Using Fiber-Optic White Light Interferometer with Two Broad-Band Sources
Sun, Changsen (Autor:in) / Yu, Longcheng (Autor:in) / Wang, Qi (Autor:in) / Yu, Qingxu (Autor:in)
01.01.2005
8 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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