Spectroscopic analysis of radioactive strontium with high isotopic selectivity

Yoshihiro Iwata

Presentation information

Oral presentation

II. Radiation, Accelerator and Beam Technologies » 202-2 Radiation Physics, Radiation Detection and Measurement

[3H01-05] Analyzing Technique

Wed. Mar 28, 2018 9:30 AM - 10:50 AM Room H (U2-213 -U2 Building)

Chair: Masashi Takada (National Defense Academy of Japan)

10:00 AM - 10:15 AM

[3H03] Spectroscopic analysis of radioactive strontium with high isotopic selectivity

(1)Laser development and resonance ionization scheme

*Yoshihiro Iwata¹, Donguk Cheon¹, Masabumi Miyabe², Shuichi Hasegawa¹ (1. The University of Tokyo, 2. Japan Atomic Energy Agency)

Keywords:Strontium, Resonance ionization, Isotopic selectivity, Interference filter

Analysis of ⁹⁰Sr in the marine sample using resonance ionization requires laser excitation of ⁹⁰Sr atoms with high isotopic selectivity. In this study, we have developed an external cavity diode laser with a narrow bandwidth interference filter for the first-step intercombination transition.