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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Golay cell ： ウィキペディア英語版 Golay cell The Golay cell is a type of opto-acoustic detector mainly used for infrared spectroscopy. It consists of a gas-filled enclosure with an infrared absorbing material and a flexible diaphragm or membrane. When infrared radiation is absorbed, it heats the gas, causing it to expand. The resulting increase in pressure deforms the membrane. Light reflected off the membrane is detected by a photodiode, and motion of the membrane produces a change in the signal on the photodiode. The concept was originally described by Marcel J. E. Golay,〔M. J. E. Golay, "Theoretical consideration in heat and infra‐red detection, with particular reference to the pneumatic detector," ''Review of Scientific Instruments'' 18, 347 (1947), 〕 after whom it came to be named. The Golay cell has high sensitivity and a flat response over a very broad range of frequencies. The response time is modest, of order 10 ms. The detector performance is degraded in the presence of mechanical vibrations. ==References== 〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Golay cell」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.