研究目的
Developing a remote scintillation detector for ultra-high-dose radiation monitoring using a red-emitting scintillator and a long optical fiber.
研究成果
The Cs2HfI6 scintillator demonstrated a higher light output and better linearity as a function of dose rate compared to the ruby scintillator, making it a suitable candidate for ultra-high-dose radiation monitoring systems.
研究不足
The study was limited to gamma-ray detection under specific dose rates and did not explore the performance of the system under other types of radiation or in different environmental conditions.
1：Experimental Design and Method Selection:
The study involved the development of a remote scintillation detector using a CCD spectrometer and a red-emitting scintillator (Cs2HfI6) coupled with a 20-meters optical fiber for detecting gamma-rays under ultra-high-dose conditions.
2：Sample Selection and Data Sources:
The scintillators (Cs2HfI6 and ruby) were irradiated with gamma-rays from a 60Co source.
3：List of Experimental Equipment and Materials:
The equipment included a CCD spectrometer, optical fiber (S.600/600B, Fujikura), and scintillators (Cs2HfI6 and ruby).
4：Experimental Procedures and Operational Workflow:
The scintillators were irradiated under various effective dose rates, and the emitted light was transmitted through the optical fiber to the CCD spectrometer for analysis.
5：Data Analysis Methods:
The scintillation signal intensity was determined from the integrated area of the emission spectra, and the linearity of the signal as a function of dose rate was analyzed.
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optical fiber
S.600/600B
Fujikura
Transmitting the scintillation light to the CCD spectrometer
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Si avalanche photo-diode
S8664-1010
HamamatsuKK
Detecting gamma-rays
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multi-channel analyzer
MCA8000D
AMPTEK
Analyzing the signal from the shaper
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CCD spectrometer
Blue-UVNb
StellarNet
Measuring the scintillation light transmitted through the fiber
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preamplifier
MODEL 581K
CLEAR-PULSE
Amplifying the signal from the Si avalanche photo-diode
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shaper
572A
ORTEC
Shaping the signal from the preamplifier
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