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dc.contributor.authorAgusanto, Kusumaen_US
dc.contributor.authorLau, Gih-Keongen_US
dc.contributor.authorLiu, Tingen_US
dc.contributor.authorZhu, Chuanguien_US
dc.date.accessioned2019-05-02T00:25:52Z-
dc.date.available2019-05-02T00:25:52Z-
dc.date.issued2019-03-20en_US
dc.identifier.issn1559-128Xen_US
dc.identifier.urihttp://dx.doi.org/10.1364/AO.58.002277en_US
dc.identifier.urihttp://hdl.handle.net/11536/151613-
dc.description.abstractA laser Doppler vibrometer (LDV) fails to measure a large out-of-plane vibration of a rotating mirror when the mirror obliquely reflects the laser beam away, causing a signal loss from being detected. To solve this problem, an external retroreflective tape was used to recover the oblique reflection. However, the reading of LDV obtained from the recovered signal is not right because the retroreflection adds extra Doppler frequency shifts to the oblique reflection. Here, we first derive the relationship of Doppler shift to the oblique angle of retroreflection. For the first time with the help of retroreflection, a standard LDV can measure the largely vibrating mirror as well as a high-speed camera, albeit without the need for heavy computation. (C) 2019 Optical Society of Americaen_US
dc.language.isoen_USen_US
dc.titleEffect of oblique retroreflection from a vibrating mirror on laser Doppler shiften_US
dc.typeArticleen_US
dc.identifier.doi10.1364/AO.58.002277en_US
dc.identifier.journalAPPLIED OPTICSen_US
dc.citation.volume58en_US
dc.citation.issue9en_US
dc.citation.spage2277en_US
dc.citation.epage2283en_US
dc.contributor.department機械工程學系zh_TW
dc.contributor.departmentDepartment of Mechanical Engineeringen_US
dc.identifier.wosnumberWOS:000461903600018en_US
dc.citation.woscount0en_US
Appears in Collections:Articles