کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7927572 | 1512541 | 2017 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Self-photopumped x-ray lasers from elements in the Ne-like and Ni-like ionization state
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
مواد الکترونیکی، نوری و مغناطیسی
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چکیده انگلیسی
We report on experiments on the self-photopumped 3d 1P1â3p 1P1 and 4f 1P1â4d 1P1 laser transitions in Ne-like and Ni-like ions, respectively. Lasing on the self-photopumped laser line has been observed for the first time for a number of elements including Ne-like V, Cr, Fe, and Co as well as Ni-like Ru and Pd. We have investigated the lasing process by varying the prepulse delay, which shows a shift of the optimum main pulse to second prepulse delays towards lower values with higher atomic number Z. Time-resolved measurements showed that self-photopumped and monopole collision-pumped lasing emission occurs essentially simultaneously. Accurate wavelength measurements and calculations are shown to be in excellent agreement.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Optics Communications - Volume 382, 1 January 2017, Pages 288-293
Journal: Optics Communications - Volume 382, 1 January 2017, Pages 288-293
نویسندگان
Michael Siegrist, Felix Staub, Fei Jia, Thomas Feurer, Jürg Balmer, Joseph Nilsen,