書誌事項
- タイトル別名
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- Development of Photo Detector with Time Delay to Separate Q Switch Noise and Signal
- Qスイッチノイズ ト シンゴウ オ ジカン ブンリ スル ヒカリ ケンシュツ チエン ゾウフクキ ノ カイハツ
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説明
Pulse YAG lasers has been widely utilized in the field of estimation system of nonlinear optical crystals. In the case of bulk samples, the detected second harmonic signals with high SN ratio can be easily detected. However, in the case of liquid samples, its signals become very weak due to the electromagnetic noise of YAG laser i.e. Q switching. Then the measurement with enough SN ratios is difficult. To detect the second harmonic signals having enough SN ratios, this paper proposes a photo detector with time delay. This detector has the function such that Q switching noise and photo signal are mutually separated. Experimental result demonstrates effectiveness of the proposed photo detector which is applied in the industrial fields.
収録刊行物
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- 産業応用工学会論文誌
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産業応用工学会論文誌 4 (1), 14-18, 2016
一般社団法人 産業応用工学会
