Polarimeter - Photometer for Quasi-Monochromatic Light

Ludmila Nikolova; Todor Todorov; Peter Sharlandjiev; Stoyan Stoyanov

doi:10.1117/12.963827

12 April 1990 Polarimeter - Photometer for Quasi-Monochromatic Light

Ludmila Nikolova, Todor Todorov, Peter Sharlandjiev, Stoyan Stoyanov

Proceedings Volume 1183, Holography '89; (1990) https://doi.org/10.1117/12.963827
Event: Holography '89, 1989, Varna, Bulgaria

Abstract

An instrumental device for complete, accurate, fast and simultaneous measurement of all parameters of quasi-mono-chromatic light: wavelenth, intensity, degree and state of polarization is presented. The performance of the device is based on a new principle which makes use of a polarization holographic grating. The measured light is split into four beams of intensities I , 12 , 13 and 14 . To determine the four Stokes parameters, these intensities are measured simultaneously by four photocietectors and the electric signals are processed by a microcomputer. At the output of the device all the four Stokes parameters are given as well as the ratio of the polarization ellipse axes and its azimouth. The use of linear ray detector for measurement of 13 and 14 intensities makes it possible the evaluation of light wavelenth through analysis of light beams angle of diffraction.

Citation Download Citation

Ludmila Nikolova, Todor Todorov, Peter Sharlandjiev, and Stoyan Stoyanov "Polarimeter - Photometer for Quasi-Monochromatic Light", Proc. SPIE 1183, Holography '89, (12 April 1990); https://doi.org/10.1117/12.963827

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