受じゅ光こう

noun, noun, used as a prefix

receiving light; detecting light

Technical term used in optics, electronics, and photography. Often appears in compound nouns like 受光素子 (light-receiving element) or 受光部 (light-receiving section).

• このセンサーは受じゅ光こう部ぶが小ちいさいため、微び弱じゃくな光ひかりも検けん出しゅつできます。

  Because this sensor has a small light-receiving section, it can detect even faint light.

• 受じゅ光こう素そ子しの感かん度どを上あげることで、暗くらい場ば所しょでも動どう作さするようになった。

  By increasing the sensitivity of the light-receiving element, it now works even in dark places.