Photodiode

Japanese: photodiode
Photodiode

...There are also photovoltaic infrared detectors such as InAs and InSb.
[Photodiode]
It uses single crystals such as Si or GaAsP and creates surface barriers such as p-n junctions and Schottky barriers. It has a wide operating range and good stability without an external power source, so it is used in spectrophotometers, exposure meters, character readers, light pens, etc.

*Some terminology explanations that mention "photodiode" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…InAs,InSbなど光起電力形赤外線検出器もある。
[フォトダイオードphotodiode]
 SiあるいはGaAsPなどの単結晶を使用し,p‐n接合やショットキー形などの表面障壁をつくったものである。外部電源なしで動作範囲が広く安定度もよいので分光光度計,露出計,文字読取装置,ライトペンなどに用いられる。…

※「photodiode」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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