Equilateral prism is one kind of dispersion prism. It has three equal 60deg angles and it can separate a beam of white light into its component colors. Equilateral prism is always used for wavelength separating applications and spectrum analysis.
Specifications:
Material BK7, UV Fused Silica, SF11
Dimension Tolerance +0/-0.2mm
Clear Aperture >90%
Angle Tolerance 60deg±3 arc minutes
Surface Quality 60/40 scratch and dig
Flatness <λ/4@632.8nm
Polished Surface Three side surfaces polished
Chamfer Protective
Coating None