Diffraction Grating types include Plane Ruled, Holographic, Echelle, Transmission, Constant Deviation, and Volume Bragg Gratings.

Plane Ruled Reflection Gratings
• High efficiency at specified wavelengths
• Extensive selection of groove frequencies ranging from 50 to 2400 g/mm
• Aluminum and gold coatings available
• Float glass substrate
• Dimensions: 12.5, 25, and 50 mm square sizes

Plane Holographic Reflection Gratings
• Groove frequencies ranging from 900 to 3600 g/mm
• Blazed holographic gratings
• Dimensions:12.5, 25, and 50 mm square sizes

• Concave Ruled Reflectance Gratings
• Concave Holographic Reflectance Gratings
• Echelle Gratings
• Plane Transmission Gratings/Visible & Ultraviolet