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Beamsplitter Coating
An optical device for dividing a beam into two or more separate beams. A simple beamsplitter may be a very thin sheet of glass inserted in the beam at an angle to divert a portion of the beam in a different direction. A more sophisticated type consist of two right-angle prisms cemented together at their hypotenuse faces.The cemented face of one prism is coated ,before cementing,with a metallic or dielectric layer having the desired reflecting properties.
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An optical device for dividing a beam into two or more separate beams. A simple beamsplitter may be a very thin sheet of glass inserted in the beam at an angle to divert a portion of the beam in a different direction. A more sophisticated type consist of two right-angle prisms cemented together at their hypotenuse faces.The cemented face of one prism is coated ,before cementing,with a metallic or dielectric layer having the desired reflecting properties.
Coating type
performance and application
Beam splitting coating
Polarizing Beamsplitter
High reflection for s-polarized and antireflection for p-polarized for laser application.
Broadband Polarizing
Beamsplitter
Wide wavelength bandwidth provide high reflection to s-polarized and antireflection to p-polarized.
Non-polarizing beamsplitters
The low polarization dependence of the metallic dielectric hybrid coating allows the transmission and reflection of S-polarization and P-polarization states to be within 6% of each other.