the spectrograph uses a concave diffraction grating that provides a wavelength dispersion of 4. 2a°/mm in the first order. 光譜儀用了一塊凹面衍射光柵,第一級光譜的色散度為42埃毫米。
We offer ruled and holographic diffraction gratings 我們提供常規和全息衍射光柵。
A research on diffraction grating interferometer with high accuracy 高精度衍射光柵干涉儀的研制
Basic parameters for diffraction grating 衍射光柵.基本參數
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 同義詞:grating