Edge enhancement of phase objects using a cyclic-path polarization interferometer

Sonali Chakraborty; K. Bhattacharya

doi:10.1117/12.2181619

15 June 2015 Edge enhancement of phase objects using a cyclic-path polarization interferometer

Sonali Chakraborty, K. Bhattacharya

Author Affiliations +

Proceedings Volume 9654, International Conference on Optics and Photonics 2015; 96540N (2015) https://doi.org/10.1117/12.2181619
Event: International Conference on Optics and Photonics 2015, 2015, Kolkata, India

Abstract

The aim of this study is to model edge enhancement effect in purely phase samples. A self compensating interferometer similar to Sagnac’s, employed with a polarizing beam splitter where two counter propagating orthogonally polarized mutually coherent beams are modulated by the phase shifts introduced by a phase sample. An afocal imaging system is used to image the phase sample on the CCD so that one of the images is slightly defocused. Real-time subtraction of two images results in intensity modulation of phase interfaces.

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Sonali Chakraborty, Sonali Chakraborty, K. Bhattacharya, K. Bhattacharya, } "Edge enhancement of phase objects using a cyclic-path polarization interferometer", Proc. SPIE 9654, International Conference on Optics and Photonics 2015, 96540N (15 June 2015); doi: 10.1117/12.2181619; https://doi.org/10.1117/12.2181619

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