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Complex method for angular-spectral analysis of volume phase diffraction gratings recorded in photopolymers
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SYSNO ASEP 0469202 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Complex method for angular-spectral analysis of volume phase diffraction gratings recorded in photopolymers Author(s) Vojtíšek, Petr (UFP-V) RID
Květoň, M. (CZ)
Richter, I. (CZ)Article number 16009 Source Title Journal of the European Optical Society-Rapid Publications. - : European optical society - ISSN 1990-2573
Roč. 11, February (2016)Number of pages 11 s. Publication form Print - P Language eng - English Country FI - Finland Keywords Photopolymers ; diffraction gratings ; angular-spectral maps ; spectral selectivity ; angular selectivity Subject RIV BH - Optics, Masers, Lasers R&D Projects LO1206 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Institutional support UFP-V - RVO:61389021 UT WOS 000369977300001 EID SCOPUS 84958787225 DOI https://doi.org/10.2971/jeos.2016.16009 Annotation Photopolymer recording materials are nowadays widely used for recording of diffraction gratings and other diffraction elements. For obtaining the best performance of these diffraction gratings for desired applications, it is important to assess these gratings from many different perspectives. In this contribution, we present an experimental and characterization approach to an analysis of diffraction gratings recorded into photopolymer materials. This approach is able to provide a complex and very illustrative description of these gratings response and, with accordance to the theory, information about some important grating parameters, such as a spatial period, slant angle, etc., as well. This approach is based on the measurement of a grating response for a wide range of angles and wavelengths and then on the construction and subsequent analysis of maps in the angular-spectral plane. It is shown that the measurements are in a good agreement with the theoretical predictions based on either approximate (Kogelnik's coupled wave theory) or rigorous (RCWA) techniques and that this approach provides complex and detailed characterization of the grating response which can be used for additional optimization or decision of applicability of measured sample gratings.
Workplace Institute of Plasma Physics Contact Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Year of Publishing 2017
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