While many of them are certainly not geometric prisms, Wikipedia defines it as a transparent optical element ... tries to exit the glass above a critical angle. Eventually, prism glass was also ...

Union Optic Inc is an ISO 9001:2008 certificated manufacturer for optical components: Waveplate, Achromatic, Prism, Polarizer, Color Glass Filter, Lens & Assembly, Window & Mirror, Beamsplitter, ...

Scholars knew of diamonds' unrivaled hardness since antiquity, but its unique optical properties went unrecognized ... When light travels through matter - air, water, glass, or diamond, for ...