diffraction grating

衍射光柵

衍射[光]柵、繞射[光]柵

學術名詞

• 繞射光柵：物理學、化學術語、天文學、物理化學儀器設備、計量學、測量學
• 繞射柵：電機工程、電力工程
• 衍射光柵：電子工程

英文釋義

1. optical device consisting of a surface with many parallel grooves in it; disperses a beam of light (or other electromagnetic radiation) into its wavelengths to produce its spectrum