Optics and Optical Coatings
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The knife-edge prism is polished on the sharp edges of the rectangular faces and has no chamfers on these edges.
BK7 Light Pipe is an optical element for illuminating a uniform brightness distribution from a light with a non-uniform brightness distribution.
SiO2 Light pipe is an optical element for illuminating a uniform brightness distribution from a light with a non-uniform brightness distribution.

OSE-PBPQ-30L20-10

Pellin-Broca prism is a scattering Brewster prism and is designed to emit in the direction perpendicular to the incident beam.

OSE-PPB

Penta prisms deflect an input beam 270 degrees regardless of the angle of incidence on the first face.

OSE-PRS

The prism plate is used when changing the incidence direction or scattering a light source that is directional, such as an optical device for the LCD TV.
The hollow retroreflector is similar to the corner cube; it reflects the incident light back to its original source.
Rectangular prisms that are not coated can be used in various applications, such as total internal reflection of critical angles and wavelength dispersion.
Rectangular prisms that are not coated can be used in various applications, such as total internal reflection critical angle and wavelength dispersion.

A parabolic mirror is a curved mirror that converts diverging light from one point of the light source into parallel light.