In this work, we present a two-step phase shifting interferometer based on two-coupled interferometers. The system generates two-interferograms, we analyzed the cases of four-pattern captured in two steps; the results obtained for transparent samples are presented.
© 2014 OSA
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(100.3175) Image processing : Interferometric imaging
L. García Lechuga, N. Toto-Arellano, B. Lopez-Ortiz, V. Flores-Muñoz, J. C. Seck-Tuoh-Mora, G. Rodríguez Zurita, and J. C. González-Islas, "Two-step phase shifting interferometry based in two coupled Sagnac interferometers," in Imaging and Applied Optics 2014, OSA Technical Digest (online) (Optical Society of America, 2014), paper JTh1C.3.
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