Modification and ab-initio spectroscopic application of modified commerce terahertz spectrometer by using homemade parts / D. M. Lubenko [et al.]

Уровень набора: (RuTPU)RU\TPU\network\12028, Proceedings of SPIEАльтернативный автор-лицо: Lubenko, D. M.;Losev, V. F., specialist in the field of automation equipment and electronics, Professor of Tomsk Polytechnic University, Doctor of physical and mathematical sciences, 1950-, Valery Fedorovich;Andreev, Yu. M.;Kokh, K. A.;Lanskii, G. V.;Svetlichnyi, V. A.Коллективный автор (вторичный): Национальный исследовательский Томский политехнический университет (ТПУ), Институт физики высоких технологий (ИФВТ), Кафедра сильноточной электроники (СЭ)Язык: английский.Серия: Laser Systems and New Laser and Optical Technologies, Laser ApplicationsРезюме или реферат: Ab-initio study on modification of commerce terahertz spectrometer with time resolution Z-3 (Zomega, USA) by substitution of ZnTe and GaP detectors and LT-GaAs generator for homemade of pure and S-doped GaSe is carried out. It was established that in spite of not optimized parameters pure and doped GaSe:S(0.3 mass%) crystal are comparable, relatively, in generation efficiency and detection sensitivity to commerce units due to lower nonlinear optical loss and much higher damage threshold. The advantages are in force from pump fluences of below 5 mJ/cm{2} for pure GaSe. The closer S-doping to optimal concentration, the lover fluences resulting in the advantages. Pure and S-doped GaSe demonstrate higher reliability and larger dynamic range of operation. Recorded absorption spectra well match known spectra..Примечания о наличии в документе библиографии/указателя: [References: 28 tit.].Аудитория: .Тематика: электронный ресурс | труды учёных ТПУ | кристаллы | легированные кристаллы | нелинейная оптика | спектроскопия Ресурсы он-лайн:Щелкните здесь для доступа в онлайн | Щелкните здесь для доступа в онлайн
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[References: 28 tit.]

Ab-initio study on modification of commerce terahertz spectrometer with time resolution Z-3 (Zomega, USA) by substitution of ZnTe and GaP detectors and LT-GaAs generator for homemade of pure and S-doped GaSe is carried out. It was established that in spite of not optimized parameters pure and doped GaSe:S(0.3 mass%) crystal are comparable, relatively, in generation efficiency and detection sensitivity to commerce units due to lower nonlinear optical loss and much higher damage threshold. The advantages are in force from pump fluences of below 5 mJ/cm{2} for pure GaSe. The closer S-doping to optimal concentration, the lover fluences resulting in the advantages. Pure and S-doped GaSe demonstrate higher reliability and larger dynamic range of operation. Recorded absorption spectra well match known spectra.

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