70x70x12mm 1200L/mm Blazed 250nm Plano Ruled Reflective Diffraction Grating

68mmx68mm 300L/mm 3400nm Blazed Plano Ruled Reflective Diffraction Grating for Spectrometer

Factory Offer 12.7mm 1200L/mm 500nm Blazed Wave Optical Plano Diffraction Grating

300L/mm 600L/mm Ruled Diffraction Grating for Spectrograph

400Line/mm 450Line/mm Ruled Reflective Diffraction Gratings

Near-IR Ruled Reflective Diffraction Gratings

300Line/mm Ruled Reflective Diffraction Gratings

600Line/mm Ruled Reflective Diffraction Gratings

1200Line/mm Ruled Reflective Diffraction Gratings

Ruled Diffraction Gratings, 600 g/mm, 1600 nm