کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8039490 | 1518609 | 2018 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Efficient ionization of atomic tin assisted by N-type multiphoton Raman resonances
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سطوح، پوششها و فیلمها
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چکیده انگلیسی
We report on the experimental results for laser ionization spectroscopy of atomic tin using a four-color three-step laser ionization scheme in conjunction with an atomic beam apparatus. Typically, the laser ionization efficiency is remarkably limited for certain elements whose thermal population is distributed over its higher lying components of the fine structure at high temperature (e.g. about 2000â¯K). We demonstrate that the laser ionization efficiency can be increased by simultaneous excitation from the 3P0 and 3P1 fine-structure components of the 5s25p2 ground-state of atomic tin. This was achieved using two lasers, operating at 283â¯nm and 301â¯nm. Furthermore, four-level N-type mutiphoton Raman resonances in this four-color ionization scheme can be utilized to enhance the ionization efficiency allowing an additional ionization process from the third ground state 5s25p23P2.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms - Volume 414, 1 January 2018, Pages 79-83
Journal: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms - Volume 414, 1 January 2018, Pages 79-83
نویسندگان
S.J. Park, J.W. Yoon, H. Ishiyama, B.-H. Kang, H.J. Woo, S.C. Jeong,