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Right angle prism is better than reflector in the strict acoustics system and inertia burthen. This is because the right angle prism is easier to install. And it is not easy to deformation in exterior machine pressure. The bevel used as the surface of total internal reflection, the incident plane and the exit facet plated AR film, so it can get very good transmittance. On the other hand, the bevel plated metalized films, so it can used to be external reflection.
Used for routing a collimated beam of light through 90deg or 180deg via total internal reflection, depending on orientation. Also used for image rotation, for retro reflection, and as an external reflector.
|Material:||N-BK7, grade A fine annealed|
|Surface quality:||60-40 S/D|
|Coating:||with or without AR coating|
|Bevel:||0.2-0.5mm x 45°|