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Quadrature phase-shift error analysis using a homodyne laser interferometer
Možina, Janez (Author), Gregorčič, Peter (Author), Požar, Tomaž (Author)

URLURL - Presentation file, Visit http://dx.doi.org/10.1364/OE.17.016322 This link opens in a new window

Abstract
The influence of quadrature phase shift on the measured displacemnet error was experimentally investigated using a two-detector polarizing homodyne laser interferometer with a quadrature detection system. Common nonlinearities, including the phase-shift error, were determined and effectively corrected by a roboust data-processing algorithm. The measured phase-shift error perfectly agress with the theoretically determined phase-shift error region. This error is systematic, periodic and severely asymmetrical around the nominal displacement value. The main results presented in this paper can also be used to assess and correct the detector errors of other interferometric and non-interferometric displacement-measuring devices based on phase-quadrature detection.

Language:English
Keywords:interferometry, optical sensors, quadrature detection, metrological instrumentation
Work type:Not categorized (r6)
Tipology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Year:2009
Number of pages:str. 16322-16331
Numbering:Vol. 17, iss. 18
UDC:531.715
ISSN on article:1094-4087
DOI:10.1364/OE.17.016322 Link is opened in a new window
COBISS.SI-ID:11029275 Link is opened in a new window
Views:1434
Downloads:300
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Record is a part of a journal

Title:Optics express
Shortened title:Opt. express
Publisher:Optical Society of America
ISSN:1094-4087
COBISS.SI-ID:8636438 This link opens in a new window

Secondary language

Language:Slovenian
Keywords:interferometrija, optični senzorji, kvadraturna detekcija, metrologija

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