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Film Thickness/Index Measurement

Photonics Showcase
Sep 2010
Metricon Corp.Request Info
 
The Model 2010/M prism coupler accurately measures thickness (±0.5%) and index (±0.0002) of thin films, index and birefringence of bulk materials, and mode indices, index gradients and loss for optical waveguides. Measurable materials include dielectrics, polymers, some semiconductors, SPR layers and liquids. Flexible samples are also measurable. Wavelengths from 405 to 1550 nm and measurement of dn/dT are also available.


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GLOSSARY
birefringence
The separation of a light beam, as it penetrates a doubly refracting object, into two diverging beams, commonly known as ordinary and extraordinary beams.  
optical waveguide
Any structure having the ability to guide the flow of radiant energy along a path parallel to its axis and to contain the energy within or adjacent to its surface.
prism coupler
An instrument that measures the angle at which a prism can couple laser light into an optical waveguide; used to determine the thickness and refractive index of thin films in integrated optical devices.
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