Simulation of Broadening the Second Harmonic Spectrum in KDP by Chirp Pulse Pumping
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https://elib.sfu-kras.ru/handle/2311/137964Автор:
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.
Дата:
2021Журнал:
Журнал Сибирского федерального университета. Математика и физика, 2021. Journal of Siberian Federal University. Mathematics & Physics, 2021, 14 (2)Аннотация:
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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