Plane Holographic Diffraction Grating, 1800 g/mm, 250 nm, 190 nm - 900 nm

Plane Holographic Diffraction Grating, 1800 grooves per mm, 250 nm nominal blaze wavelength (1st order Littrow), 190 nm - 900 nm recommended spectral region

Plane Holographic Diffraction Grating, 1800 grooves per mm, 250 nm nominal blaze wavelength (1st order Littrow), 190 nm - 900 nm recommended spectral region