光こう学がく素そ子し

noun

optical element; optical device

Technical term used in optics and photonics for components such as lenses, mirrors, prisms, and filters.

• このレンズは重じゅう要ような光こう学がく素そ子しです。

  This lens is an important optical element.

• 光こう学がく素そ子しの設せっ計けいには精せい密みつな計けい算さんが必ひつ要ようだ。

  Designing optical elements requires precise calculations.