Investigation of Optical Ionization of Strontium via 5s21S0???5s5p 3???5s5d 3D2???4dnp (or 4ndf, n?=?39) for Isotope Selectivity Enhancement

Donguk Cheon; Yoshihiro Iwata; Masabumi Miyabe; Ikuo Wakaida; Shuichi Hasegawa

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Investigation of Optical Ionization of Strontium via 5s21S0???5s5p 3???5s5d 3D2???4dnp (or 4ndf, n?=?39) for Isotope Selectivity Enhancement

机译：通过5s21S0 ??? 5s5p 3 ??? 5s5d 3D2 ??? 4dnp（或4ndf，n？=？39）进行锶的光电离研究，以提高同位素选择性

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We investigated a promising three-step resonance ionization scheme of strontium (Sr) 5s21S0???5s5p 3???5s5d 3D2???4dnp (or 4dnf, n?=?39) using the first-step intercombination transition for the enhancement of isotope selectivity. The power broadening observed in the 2nd transition indicates that laser power of less than 0.2?mW is sufficient for saturating this transition. Isotope separation can be successfully expected with application of the 3rd transition due to the narrow width of the 4dnp (or 4dnf, n?=?39) autoionization level, paving the way for analysis of trace 90Sr in environmental applications.

机译：我们研究了有前途的锶（Sr）5s21S0 ??? 5s5p 3 ??? 5s5d 3D2 ??? 4dnp（或4dnf，n？=？39）的三步共振电离方案同位素选择性。在第二次跃迁中观察到的功率展宽表明，小于0.2？mW的激光功率足以使该跃迁饱和。由于4dnp（或4dnf，n？=？39）自电离能级的宽度较窄，可以通过第三次转换成功地实现同位素分离，为在环境应用中分析痕量90Sr铺平了道路。

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《Journal of spectroscopy》 |2018年第16期|共页
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Donguk Cheon; Yoshihiro Iwata; Masabumi Miyabe; Ikuo Wakaida; Shuichi Hasegawa;
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1. Investigation of Optical Ionization of Strontium via 5s(2) -> S-1(0) 5s5p P-3(1)degrees -> 5s5d -> D-3(2) -> 4dnp (or 4ndf, n=39) for Isotope Selectivity Enhancement [J] . Cheon Donguk, Iwata Yoshihiro, Miyabe Masabumi, Journal of spectroscopy . 2018,第Pta2期

机译：通过5S（2） - > S-1（0）5S5P P-3（1）度 - > 5S5D - > D-3（2） - > 4DNP（或4NDF，N = 39）的光学电离研究同位素选择性增强
2. Resonance ionization spectroscopy of stable strontium isotopes and ~90Sr via 5d~21S_0->5s5_p~1P_1-> 5s5d ~1D_2->5s11f~1F_3->Sr~+ [J] . B.A.Bushaw, W.Nortershauser Spectrochimica Acta, Part B. Atomic Spectroscopy . 2000,第11期

机译：通过5d〜21S_0-> 5s5_p〜1P_1-> 5s5d〜1D_2-> 5s11f〜1F_3-> Sr〜+稳定锶同位素和〜90Sr的共振电离光谱
3. Optimized isotope-selective ionization of ~23Na~39K and ~23Na~41K by applying evolutionary strategies [J] . Franziska Vetter, Mateusz Plewicki, Albrecht Lindinger, Physical chemistry chemical physics: PCCP . 2005,第6期

机译：应用进化策略优化〜23Na〜39K和〜23Na〜41K的同位素选择性电离
4. Investigation of Optical Ionization of Strontium via 5s21S0 ⟶ 5s5p 3P1° ⟶ 5s5d 3D2 ⟶ 4dnp (or 4ndf, n = 39) for Isotope Selectivity Enhancement [O] . Donguk Cheon, Yoshihiro Iwata, Masabumi Miyabe, 2018

机译：通过5S21S0×5S5P3P1°3P1℃的锶光电电离的研究进行同位素选择性增强的3D24DNP（或4NDF，N = 39）

Investigation of Optical Ionization of Strontium via 5s21S0???5s5p 3???5s5d 3D2???4dnp (or 4ndf, n?=?39) for Isotope Selectivity Enhancement

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