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    Simulation of Broadening the Second Harmonic Spectrum in KDP by Chirp Pulse Pumping

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    DOI:
    10.17516/1997-1397-2021-14-2-146-151
    URI (for links/citations):
    http://elib.sfu-kras.ru/handle/2311/137964
    Author:
    Alekseev, Sergey V.
    Losev, Valery F.
    Grudtsyn, Yakov V.
    Koribut, Andrey V.
    Trofimov, Vyacheslav A.
    Алексеев, Сергей В.
    Лосев, Валерий Ф.
    Грудцын, Яков В.
    Корибут, Андрей В.
    Трофимов, Вячеслав А.
    Date:
    2021
    Journal Name:
    Журнал Сибирского федерального университета. Математика и физика, 2021. Journal of Siberian Federal University. Mathematics & Physics, 2021, 14 (2)
    Abstract:
    The conditions of broadening the second harmonic spectrum in KDP upon pumping by a negatively chirped pulse of fundamental frequency with central wavelength of 950 nm are analyzed numerically. It is shown that broadening of the spectrum (K = 1.4) is mainly limited by difference in group velocities of radiation pulse between first and second harmonics. The article is based on materials of the report at the first All-Russian scientific conference with international participation "YENISEI PHOTONICS – 2020"
     
    Численно анализируются условия уширения спектра второй гармоники в КДП при накачке отрицательно чирпированным импульсом основной частоты с центральной длиной волны 950 нм. Показывается, что величина уширения спектра (К = 1.4) в основном ограничивается разностью групповых скоростей импульса излучения первой и второй гармоник. Статья подготовлена по материалам доклада на Первой Всероссийской научной конференции с международным участием «ЕНИСЕЙСКАЯ ФОТОНИКА — 2020»
     
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