<ul><li>Name: Holographic Diffraction Grating</li><li>Material: float glass</li><li>Processing method: original lettering</li><li>Grating size: 20x20mm</li><li>Thickness: 2mm</li></ul> Name: Holographic Diffraction Grating Material: float glass Processing method: original lettering Grating size: 20x20mm Thickness: 2mm Specifications: 1000 lines/mm, 1200 lines/mm, 1800 lines/mm, 2000 lines/mm, 2400 lines/mm Wavelength range: 200nm-10000nm

AMNOUR Holographic Diffraction Grating 1000 Lines 1mm-2400 Lines 1mm Glass Engraving 20x20mm Ultra-high Precision Optical Instrument Physical Optics (Color : 1200 Lines/mm, Size : 20X20MM_2MM)