Investigations of the optical activity of nonlinear crystals by means of dual-wavelength polarimeter

Mykola Shopa; Nazar Ftomyn

doi:10.1117/1.OE.57.3.034101

5 March 2018 Investigations of the optical activity of nonlinear crystals by means of dual-wavelength polarimeter

Mykola Shopa, Nazar Ftomyn

Author Affiliations +

Optical Engineering, Vol. 57, Issue 3, 034101 (March 2018). https://doi.org/10.1117/1.OE.57.3.034101

Abstract

A dual-wavelength method in high accuracy polarimetry has been successfully tested and applied to measure optical activity (OA) of nonlinear crystals. In proposed polarimetric scheme two neighboring semiconductor laser wavelengths (635 and 650 nm) are used, which increases number of parameters measured simultaneously and improves the data processing. By neglecting dispersion of eigen wave ellipticity in crystals, more efficient elimination of the systematic errors, in comparison with the known HAUP technique, is possible. We have tested our experimental setup on optically inactive lithium niobate crystal and obtained OA in the perpendicular to the optical axis direction for quartz and DKDP crystals.

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Mykola Shopa and Nazar Ftomyn "Investigations of the optical activity of nonlinear crystals by means of dual-wavelength polarimeter," Optical Engineering 57(3), 034101 (5 March 2018). https://doi.org/10.1117/1.OE.57.3.034101

Received: 30 October 2017; Accepted: 6 February 2018; Published: 5 March 2018

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