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Oral presentation

Dependence of pulse energy on emission spectra in fiber-optic long-pulse LIBS

Matsumoto, Ayumu; Oba, Hironori; Toshimitsu, Masaaki; Akaoka, Katsuaki; Wakaida, Ikuo

no journal, , 

no abstracts in English

Oral presentation

LIBS technique for test piece of high radioactive oxide contaminants

Kawakami, Tomohiko*; Nakano, Natsuko*; Takagi, Kazunari*; Spaziani, F.*; Hanamoto, Yukio*; Abe, Yuta

no journal, , 

no abstracts in English

Oral presentation

Consideration of material analysis using simulated fuel assembly heating test, 2; Study of the evaluation method by LIBS

Kawakami, Tomohiko*; Abe, Yuta; Spaziani, F.*; Nakano, Natsuko*; Nakagiri, Toshio

no journal, , 

no abstracts in English

Oral presentation

Establishment of evaluation method using material analysis of simulated fuel assembly heating test, 3; Evaluation method of oxygen and boron using LIBS

Okazaki, Kodai*; Abe, Yuta; Spaziani, F.*; Nakano, Natsuko*; Kawakami, Tomohiko*

no journal, , 

no abstracts in English

Oral presentation

Study on measurement technique for ZrBx composition and hardness based on Laser Induced Breakdown Spectroscopy (LIBS), 1; Preliminary consideration of measuring conditions

Abe, Yuta; Otaka, Masahiko; Okazaki, Kodai*; Kawakami, Tomohiko*; Oishi, Yuji*

no journal, , 

no abstracts in English

Oral presentation

Study on measurement technique for ZrBx composition and hardness based on Laser Induced Breakdown Spectroscopy (LIBS), 2; Measurement characteristic on different composite specimens

Okazaki, Kodai*; Kawakami, Tomohiko*; Abe, Yuta; Otaka, Masahiko; Oishi, Yuji*

no journal, , 

no abstracts in English

Oral presentation

Applicability of metal boride hardness measurement using Laser-Induced Breakdown Spectroscopy (LIBS), 1; Simultaneous measuring of elemental composition information and hardness

Makuuchi, Etsuyo*; Nagayama, Sakiko*; Abe, Yuta; Okazaki, Kodai*; Kawakami, Tomohiko*; Oishi, Yuji*; Otaka, Masahiko

no journal, , 

no abstracts in English

Oral presentation

Applicability of metal boride hardness measurement using Laser-Induced Breakdown Spectroscopy (LIBS), 2; Element distribution of metal boride specimens with complicated composition

Okazaki, Kodai*; Kawakami, Tomohiko*; Nagayama, Sakiko*; Abe, Yuta; Otaka, Masahiko; Makuuchi, Etsuyo*; Oishi, Yuji*; Takagai, Yoshitaka*

no journal, , 

no abstracts in English

Oral presentation

Development of material hardness evaluation method by simultaneous multi-spectrum measurement of Laser Induced Breakdown Spectroscopy (LIBS), 1; Examination of in-situ hardness measurement method for metal boride

Abe, Yuta; Makuuchi, Etsuyo*; Nagayama, Sakiko*; Okazaki, Kodai*; Kawakami, Tomohiko*; Sun, Y.*; Oishi, Yuji*; Otaka, Masahiko

no journal, , 

no abstracts in English

Oral presentation

Development of material hardness evaluation method by simultaneous multi-spectrum measurement of Laser Induced Breakdown Spectroscopy (LIBS), 2; Examination of composition distribution method using multivariate analysis

Nagayama, Sakiko*; Okazaki, Kodai*; Kawakami, Tomohiko*; Abe, Yuta; Makuuchi, Etsuyo*; Otaka, Masahiko

no journal, , 

no abstracts in English

Oral presentation

Fiber-coupled LIBS analysis using a microchip laser in a harsh environment

Oba, Hironori; Akaoka, Katsuaki; Karino, Takahiro; Wakaida, Ikuo; Tamura, Koji*; Nakanishi, Ryuzo*; Sakamoto, Kan*; Taira, Takunori*

no journal, , 

Development of remote inspection and elemental analysis methods in a harsh radiation environment is required, such as inspection of the nuclear fuel debris at the bottom of the post-accident nuclear reactor (Tokyo Electric Power Company, Fukushima Daiichi Nuclear Power Plant). Laser-induced breakdown spectroscopy (LIBS) has been utilized as an effective qualitative and quantitative analytical method for elemental analysis. Inspecting the damaged reactor vessels requires a longer fiber-optic (FO) cable, which significantly attenuates the delivered laser energy by absorption and scattering in the fiber. We report on the first trial of our FO-LIBS system using the microchip laser (MCL) to identify and quantify elements in surrogate nuclear fuel debris under gamma irradiation, the results of trials on surrogate debris analysis, containing uranium oxide, using the MCL, and the results of 100 m-long fiber-delivered LIBS.

Oral presentation

Oral presentation

Oral presentation

Detection of trace metals in aqueous solutions by LIBS with liquid sheet jets

Nakanishi, Ryuzo*; Saeki, Morihisa*; Oba, Hironori

no journal, , 

Oral presentation

Development of quick and remote analysis for severe accident reactor, 8-2; Analysis of simulated U-containing debris by fiber-delivered microchip LIBS

Oba, Hironori; Akaoka, Katsuaki; Karino, Takahiro; Wakaida, Ikuo; Ouchi, Atsushi*; Miura, Yusuke*; Eto, Yoshinori*; Sakamoto, Kan*

no journal, , 

no abstracts in English

Oral presentation

Analytical study of multipoint LIBS using multivariate analysis

Kawakami, Tomohiko*; Nagayama, Sakiko*; Yokota, Hiromi; Abe, Yuta; Otaka, Masahiko; Fujimoto, Katsushige*; Takagai, Yoshitaka*

no journal, , 

no abstracts in English

Oral presentation

Simplified hardness measurement study of multipoint LIBS using multivariate analysis

Nagayama, Sakiko*; Kawakami, Tomohiko*; Yokota, Hiromi; Abe, Yuta; Otaka, Masahiko; Fujimoto, Katsushige*; Takagai, Yoshitaka*

no journal, , 

no abstracts in English

21 (Records 1-20 displayed on this page)