High-Power and Low-Noise Photodetector for Interferometric Gravitational Wave Detectors
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概要
- 論文の詳細を見る
We have developed a photodetector for interferometric gravitational wave detectors which can detect high power light with low intrinsic noise. The detector is designed to detect a laser power of more than 100 mW at 1.064 $\mu$m with a single InGaAs photodiode. Using a resonant circuit, low intrinsic noise is achieved; the noise-equivalent photocurrent is 132 $\mu$A@. By using a photocurrent limiter used in the circuit, we confirmed that even with high power (2 W) incident on the diode, the diode was undamaged.
- INSTITUTE OF PURE AND APPLIED PHYSICSの論文
- 2001-01-15
著者
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Ando Masaki
Department Of Cardiovascular Surgery Fukushima Red Cross Hospital
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Moriwaki Shigenori
Department Of Advanced Material Science The University Of Tokyo
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Mio Norikatsu
Department Of Advanced Material Science The University Of Tokyo
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Mio Norikatsu
Department of Advanced Materials Science, University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-0033, Japan
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Heinzel Gerhard
National Astronomical Observatory, Mitaka, Tokyo 181-8588, Japan
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Ando Masaki
Department of Physics, University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-0033, Japan
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