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Scientific paper
Apr 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1236...87r&link_type=abstract
INTERNATIONAL CONFERENCE ON ADVANCED PHASE MEASUREMENT METHODS IN OPTICS AND IMAGING. AIP Conference Proceedings, Volume 1236,
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Holographic Interferometry, Recording Instruments, Phase Shifters, Optical Modulation, Polarization, Interference, Holographic Interferometry, Other Holographic Techniques, Hologram Recording And Readout Methods, Phase Retrieval, Modulation And Optical Transfer Functions, Birefringence, Polarization, Interference
Scientific paper
Heterodyne holographic interferometry allows high accuracy for phase-difference extraction between two wave fronts, especially when they are previously recorded in the same recording medium. In part, this is because the wave fronts can be affected by the recording process in a very similar way. The double reconstruction of a double-exposure hologram with two independent references results in a two-beam holographic interferometer with an arm conveying a wave modulated in frequency when using heterodyne techniques. The heterodyne frequency has been usually introduced with a plane mirror attached to a piezo-electric stack driven with a suitable variable power supply. For holographic interferometry, however, less attention has been devoted to alternative phase retrieval variants as, for example, phase-shifting with modulation of polarization or Fourier methods. In this work, we propose and demonstrate the basic capabilities of modulation of polarization performing as a phase-shifting technique for holographic interferometry with two references in a phase-stepping scheme. Experimental results are provided.
Jiménez-Montero L.-E.
Meneses-Fabian Cruz
Rodriguez-Zurita Gustavo
Toto-Arellano N.-I.
Vázquez-Castillo José F.
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