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Silicon Brewster plate wavelength separator for a mid-IR optical parametric source

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    0543666 - FZÚ 2022 RIV US eng J - Článek v odborném periodiku
    Csanaková, Bianka - Novák, Ondřej - Smrž, Martin - Huynh, Jaroslav - Jelínková, H. - Lucianetti, Antonio - Mocek, Tomáš
    Silicon Brewster plate wavelength separator for a mid-IR optical parametric source.
    Applied Optics. Roč. 60, č. 2 (2021), s. 281-290. ISSN 1559-128X. E-ISSN 2155-3165
    Grant CEP: GA MŠk EF15_006/0000674; GA MŠk LO1602
    GRANT EU: European Commission(XE) 739573 - HiLASE CoE
    Institucionální podpora: RVO:68378271
    Klíčová slova: mid-infrared wavelenght * polarizers * wavelenght separators * Brewster plate * parasitic reflection
    Kód oboru RIV: BH - Optika, masery a lasery
    Obor OECD: Optics (including laser optics and quantum optics)
    Impakt faktor: 1.980, rok: 2020
    Způsob publikování: Open access s časovým embargem

    The availability of optical elements for the mid-infrared wavelength range, such as polarizers and wavelength separators, is limited especially when a broadband wavelength range coverage is required. We propose a polarizer based on uncoated silicon Brewster plates. A detailed analysis of the polarizer’s contrast and the influence of parasitic reflections, its dependence on wavelength, and the angular misalignment is shown. Two different arrangements of the two- and four-plate polarizers are discussed. With contrast including the influence of parasitic reflections of over 103 for the whole transparency range of silicon (1.2–6.5 µm), the four-plate polarizer is an effective, low-cost, high-power compatible tool providing sufficient contrast for signal and idler beam separation of the broadband mid-infrared Type II optical parametric sources. The proposed polarizers can function as an attenuator assembly without any wave plate.
    Trvalý link: http://hdl.handle.net/11104/0320848

     
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