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Katsuaki Akaoka

Researcher at Japan Atomic Energy Agency

Publications -  30
Citations -  359

Katsuaki Akaoka is an academic researcher from Japan Atomic Energy Agency. The author has contributed to research in topics: Laser & Laser-induced breakdown spectroscopy. The author has an hindex of 10, co-authored 27 publications receiving 224 citations. Previous affiliations of Katsuaki Akaoka include Japan Atomic Energy Research Institute.

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Journal ArticleDOI

Enhancement of intensity in microwave-assisted laser-induced breakdown spectroscopy for remote analysis of nuclear fuel recycling

Motonobu Tampo, +6 more
- 10 Apr 2014 - 
TL;DR: In this paper, an enhancement of emission intensity from a laser ablation plume, obtained by coupling a pulsed microwave using a simple wire antenna, is demonstrated to compensate the sensitivity reduction of a high resolution spectrometer that is required for nuclear fuel analysis.
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Double-pulse LIBS of gadolinium oxide ablated by femto- and nano-second laser pulses

Masaki Oba, +4 more
- 08 Jul 2010 - 
TL;DR: In this article, the emission characteristics of gadolinium oxide were studied using ns and fs laser pulses for ablation in double-pulse laser induced breakdown spectroscopy (LIBS).
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Fiber-optic laser-induced breakdown spectroscopy of zirconium metal in air: Special features of the plasma produced by a long-pulse laser

Ayumu Matsumoto, +6 more
- 01 Apr 2018 - 
TL;DR: In this article, the emission spectra of zirconium metal in air obtained for a normal-pulse laser (6 ns) and a longpulse (100 ns) (wavelength: 1064nm, pulse energy: 12.5mJ, spot diameter: 0.35mm) were compared to investigate the fundamental aspects of fiber-optic LIBS with the long-Pulse laser.
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Absorption spectroscopy of uranium plasma for remote isotope analysis of next-generation nuclear fuel

Masabumi Miyabe, +7 more
- 01 Jul 2013 - 
TL;DR: In this article, the authors studied the plume dynamics of uranium in vacuum and helium environments, and found that an observation time of 3-5μs and an observation height of about 2.5mm are most suitable for obtaining higher sensitivity.
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Application of laser-induced breakdown spectroscopy to zirconium in aqueous solution

Alexandre Ruas, +4 more
- 01 May 2017 - 
TL;DR: In this paper, the laser-induced breakdown spectroscopy (LIBS) has been used for the analysis of zirconium in aqueous solution in a nuclear power plant (F1-NPP) decommissioning process.