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Equal Lateral Prisms

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Material SF11, UVFS, BK7 Clear Aperture >90%
Dimension Tolerance +0.0/-0.2mm Surface Quality 60/40 S/D
Angle Tolerance 60°±3 arc minutes Flatness <λ/4@632.8nm
Polished Surface Three side surfaces polished Chamfer Protective<0.5mmx45°
Coating None,available

A kind of dispersion prisms, having three equal 60°angles, which is the most typical type made of high difference of refraction indexes for different wavelength. And equilateral prisms is usually used in wavelength separating applications and spectrum analysis.