Advanced study on remote and in-situ elemental analysis of molten fuel debris in damaged core by innovative optical spectroscopy

Wakaida, Ikuo ; Oba, Hironori* ; Ikeda, Yuji*; Sakka, Tetsuo*; Taira, Takunori*

Radiation resistant optical fiber based laser induced breakdown spectroscopy (Fiber LIBS) is developed for in-core and in-situ elemental analysis of debris and its activity is performed under severe environmental conditions such as high radiation field of about 10kGy/h and under water. Long pulse laser, microwave assisted LIBS for more high sensitivity and micro-chip Laser will be also introduced for In-Core use optical source.

Language	:	English
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Meeting title	:	平成29年度英知を結集した原子力科学技術・人材育成推進事業及び廃止措置研究・人材育成推進事業ワークショップ
Held date	:	2017/07
Location (city)	:	仙台
Location (country)	:	日本
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Keywords	:	Fukushima Daiichi Nuclear Power Station Accident; Remote analysis; LIBS; Radiation Resistant Optical Fiber; Microwave assisted LIBS; Microchip Laser; Long Pulse Laser; 福島第一原子力発電所事故
Research Facility	:	ウラン濃縮研究棟;JRR-3実験利用棟(第2棟);BECKY(バックエンド研究施設)
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Cooperating Institute	:	文部科学省

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Registration No. : BB20171241
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