Laser remote analysis by optical fiber coupled laser induced breakdown spectroscopy for on-site, in-situ screening of nuclear debris in decommissioning of Fukushima Daiichi Nuclear Power Station

Wakaida, Ikuo  ; Oba, Hironori  ; Akaoka, Katsuaki ; Nakanishi, Ryuzo; Shibata, Takuya  ; Karino, Takahiro 

The decommissioning of the Fukushima Daiichi Nuclear Power Station, which has meltdowned core, it will be required a rapid, remote and in-situ screening analysis of fuel debris and a large amount of waste materials in a narrow and extremely high radiation environment. Radiation-resistant Optical Fiber based portable LIBS probe is one of the practical technology as the remote in-situ simple screening analysis, and the basic performances of remote operability, radiation resistance and challenge application of on-site analysis for radioactive waste materials, have been demonstrated.