Application of photoelastic tomography to measurement of refractive indices in optical anisotropic microelements

Pawel Kniazewski; Tomasz Kozacki; Malgorzata Kujawinska; Katarzyna Szaniawska; Tomasz R. Wolinski

doi:10.1117/12.660916

27 April 2006 Application of photoelastic tomography to measurement of refractive indices in optical anisotropic microelements

Pawel Kniazewski, Tomasz Kozacki, Malgorzata Kujawinska, Katarzyna Szaniawska, Tomasz R. Wolinski

Author Affiliations +

Proceedings Volume 6188, Optical Micro- and Nanometrology in Microsystems Technology; 61880H (2006) https://doi.org/10.1117/12.660916
Event: SPIE Photonics Europe, 2006, Strasbourg, France

Abstract

In the paper we present method for three-dimensional measurement of birefringence distribution in anisotropic objects. The tool, which we used is combination of classic polariscopy with tomographic reconstruction method. Tomographic reconstruction is performed using the filtered backpojection algorithm. The results of measurement of glass capillary infilled with licquid crystal are presented together with the results of numerical simulation of measurement process. Simulations include polarized light propagation performed by means of finite difference time domain method combined with Jones calculus. The numerical simulations are performed for various birefringence values and allow for determination of relative errors of birefringence distribution. Additionally the absolute refractive indices are determined experimentally through the measurement of capillary with polarization sensitive microinterferometric tomography.

Citation Download Citation

Pawel Kniazewski, Tomasz Kozacki, Malgorzata Kujawinska, Katarzyna Szaniawska, and Tomasz R. Wolinski "Application of photoelastic tomography to measurement of refractive indices in optical anisotropic microelements", Proc. SPIE 6188, Optical Micro- and Nanometrology in Microsystems Technology, 61880H (27 April 2006); https://doi.org/10.1117/12.660916

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