[3C01-05] Decommissioning Technology for Fukushima 3

[3C03] Analysis of particles generated by laser processing and development of their nuclide identification methodology (2)

(2)Development of External Cavity Laser Diode System for Laser Spectroscopic Nuclide Analysis of microparticles

*Yusuke Watanabe¹, Daisuke Ishikawa¹, Shuichi Hasegawa¹, Hiroyuki Daido², Tomonori Yamada³, Chikara Ito³, Masabumi Miyabe³, Takuya Shibata³ (1. Univ. of Tokyo, 2. Institute for Laser Technology, 3. Japan Atomic Energy Agency)

Keywords:Absorption spectroscopy, External Cavity Laser Diode, Gadolinium

We have developed an absorption spectrometer which use the Littrow external cavity laser diode as a light source. We acquired the absorption signal which is the transition from the ground level of the Gd atom.