Study of the optical rotatory of potassium titanyl phosphateusing the advanced dual-wavelength polarimetric method

• Autorzy: Shopa Mykola , Ftomyn Nazar , Shopa Yaroslav

Identyfikatory

DOI

10.24425/opelre.2024.152682

• Języki publikacji: EN

Abstrakty

EN

A dual-wavelength high-accuracy universal polarimeter was applied to the circularbirefringence and optical activity measurement in potassium titanyl phosphate (KTP)nonlinear crystal. The experimental setup used two single-mode He-Ne lasers with close wavelengths of 594 and 633 nm as light sources. Measurement has been carried out for two crystal settings in directions of a 45-degree relative angle to the [100] and [010]crystallographic axes. Multiple light reflections inside the crystal sample were considered when processing the results of the polarimetric measurements. The results have been analysed using the optical transmission function for the polariser-sample-analyser system, and 2D intensity contour maps made it possible to determine the phase parameters, systematic errors, and eigenwaves ellipticity. It was found that the gyration tensorcomponent of the KTP crystal is equal to g₁₂ = 1.4 ⋅10⁻⁵ which in terms of optical rotatory power corresponds to the very small magnitude of the rotation value of 2.3 deg/mm.

Słowa kluczowe

EN

polarimetry; dual-wavelength; crystal optics; birefringence; optical activity

• Wydawca: Stowarzyszenie Elektryków Polskich ; Polska Akademia Nauk ; Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego
• Czasopismo: Opto-Electronics Review
• Rocznik: 2024
• Tom: Vol. 32, No. 4
• Strony: art. no. e152682
• Opis fizyczny: Bibliogr. 39 poz., rys., tab., wykr.

Twórcy

autor

Shopa Mykola

• Department of Atomic, Molecular and Optical Physics, Gdańsk University of Technology, ul. Narutowicza 11/12, Gdańsk 80-233, Poland

• https://orcid.org/0000-0003-1781-1144

autor

Ftomyn Nazar

• Faculty of Physics, Ivan Franko National University of Lviv, Kyrylo & Mephodiy 8, Lviv 79005, Ukraine

• https://orcid.org/0000-0002-1618-1665

autor

Shopa Yaroslav

• Faculty of Mathematics and Natural Sciences, Cardinal Stefan Wyszynski University in Warsaw, ul. Wóycickiego 1/3, Warsaw 01-938, Poland

• https://orcid.org/0000-0002-4193-3785

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