Calculation method for a quadrature phase-shifting interferometer and its applications

A calculation method for a quadrature phase-shifting interferometer is presented, and its applications to specular and speckle interferometers and digital holography are described. Two sets of quadrature phase-shifted interferograms are acquired, and the calculation method proposed gives the phase d...

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Veröffentlicht in:	Applied optics (2004) 2013-01, Vol.52 (1), p.A433-A440
Hauptverfasser:	Nakadate, Suezou, Sawada, Shinya, Kiire, Tomohiro, Shibuya, Masato, Yatagai, Toyohiko
Format:	Artikel
Sprache:	eng
Schlagworte:	Digital Error analysis Holography Interferometers Mathematical analysis Phase distribution Quadratures
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Beschreibung
Zusammenfassung:	A calculation method for a quadrature phase-shifting interferometer is presented, and its applications to specular and speckle interferometers and digital holography are described. Two sets of quadrature phase-shifted interferograms are acquired, and the calculation method proposed gives the phase distribution of the interferograms. The principle of the calculation method with error analysis and experimental results for specular and speckle interferometers and digital holography are also given.
ISSN:	1559-128X 2155-3165 1539-4522
DOI:	10.1364/AO.52.00A433