Plane Holographic Diffraction Grating, 1201.6 g/mm, 250 nm, 190 nm - 800 nm

Plane Holographic Diffraction Grating, 1200 grooves per mm, 450 nm nominal blaze wavelength (1st order Littrow), 190 nm - 800 nm recommended spectral region

Plane Holographic Diffraction Grating, 1200 grooves per mm, 450 nm nominal blaze wavelength (1st order Littrow), 190 nm - 800 nm recommended spectral region