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Partially Reflective Coatings

Gold Plated Silver Plated Reflective Coating
Henan UM Optics Ltd
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Gold Plated Silver Plated Reflective Coating
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Reflective films can generally be divided into two categories: metal reflective films and all-dielectric reflective films. In addition, there are metal dielectric reflective films that combine the two.

Specifications
Angle Of Incidence (AOI): 0 degree, 45 degree
Wavelength Range: 120 – 2000 nm
Min Transmission: 90 %
Data Sheet
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High Power Partially Reflective Coatings
Laser Components USA, Inc.
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Partially reflective mirrors with a dielectric coating can be manufactured on a standard basis for the wavelength range from 193nm to 5um. An angle of incidence of 0 makes it an output coupler; an angle of incidence 45 makes it a beam splitter. Additional angles of incidence can also be produced.

Specifications
Angle Of Incidence (AOI): 0 degree
Wavelength Range: 193 – 5000 nm
Min Transmission: 80 %
Data Sheet
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Partially Reflective Coatings: Controlled Light Division

Partially reflective coatings are designed to reflect a specific percentage of light while allowing the remainder to pass through. These coatings are vital in applications like beam splitting and laser output coupling.

Characteristics

  • Reflectance Range: Typically between 10% and 99.7%.

  • Angle of Incidence: Performance can vary with the angle at which light strikes the surface.

  • Wavelength Range: Coatings can be designed for specific wavelength ranges, including UV, visible, and infrared.

Applications

  • Laser Systems: Used in output mirrors to control the amount of light exiting the cavity.

  • Beam Splitters: Divides light into multiple paths for various applications.

  • Optical Instruments: Allows for the combination or separation of light paths.

Implementing partially reflective coatings enables precise control over light paths in optical systems.

Did You know?

An optical coating is one or more thin layers of material deposited on an optical component, such as a lens or a mirror. The coating alters the way in which the component reflects and transmits light. Partially reflective coatings are a type of optical coating designed for application where only a portion of light shall be reflected, and are used for beamsplitters and other components of various kinds. By controlling the thickness and density of a coating, light reflectivity and transmission can be tailored for various scientific applications.
External links:
1 - Read on AR coatings
2 - AR Coating Techniques
3 - More on AR coatings