Development of High Dose Rate Sensing Method Based on Cavity Ring-Down Laser Spectroscopy
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概要
- 論文の詳細を見る
We have developed a new method for high radiation dose rate monitoring based on cavity ring-down laser absorption spectroscopy and have measured 60Co gamma-ray induced chemical species in stationary and flowing air at the wavelength of 532 nm to check the basic performance of the new method. In the stationary air measurement, we confirmed linearity between the absorbed dose and the measured light absorbance by the radiation induced chemical species. Furthermore, in the flowing air measurement, we found the response time and the magnitude of the light absorbance largely depend on the air flow rate. In addition, a preliminary experiment was done to demonstrate the applicability to an intensity monitor for the intense undulator X-rays of BL47XU beamline at SPring-8. Results showed that the measured ring-down rate is proportional to the photon intensity and the detectable range is from 2×1011 to 3×1015 photons/s with time resolution around 3×102 s.
- 社団法人 日本原子力学会の論文
- 2005-08-25
著者
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渡辺 賢一
名古屋大学
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Watanabe Kenichi
Department of Clinical Pharmacology, Niigata University of Pharmacy and Applied Life Sciences
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KAWARABAYASHI Jun
Department of Quantum Engineering, Graduate School of Engineering, Nagoya University
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IGUCHI Tetsuo
Department of Quantum Engineering, Graduate School of Engineering, Nagoya University
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TOMITA Hideki
Department of Quantum Engineering, Graduate School of Engineering, Nagoya University
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河原林 順
名古屋大・工
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NARIYAMA Nobuteru
Beamline Division, Japan Synchrotron Radiation Research Institute
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Watanabe Kenichi
Department Of Clinical Pharmacology Faculty Of Pharmaceutical Sciences Niigata University Of Pharmac
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Tomita Hideki
Department Of Quantum Engineering Nagoya University
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Iguchi T
Graduate School Of Engineering Nagoya University
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Iguchi Tetsuo
Department Of Nuclear Engineering Faculty Of Engineering The University Of Tokyo
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Kawarabayashi Jun
Nagoya University
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Nariyama Nobuteru
Beamline Division Japan Synchrotron Radiation Research Institute
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Watanabe Kenichi
First Department Of Internal Medicine School Of Medicine University Of Occupational And Environmenta
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IGUCHI Tetsuo
Physics and Energy Engineering, Graduate School of Engineering, Nagoya University
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Iguchi Tetsuo
Department Of Quantum Engineering Nagoya University
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