the spectrograph uses a concave diffraction grating that provides a wavelength dispersion of 4. 2a°/mm in the first order. 光谱仪用了一块凹面衍射光栅,第一级光谱的色散度为42埃毫米。
We offer ruled and holographic diffraction gratings 我们提供常规和全息衍射光栅。
A research on diffraction grating interferometer with high accuracy 高精度衍射光栅干涉仪的研制
Basic parameters for diffraction grating 衍射光栅.基本参数
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 同义词:grating