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General Description
ECI
offers a variety of beamsplitter coatings for deposition
onto GRIN rod lenses, plastic components, glass/metal assemblies
and fiber ends. These all-dielectric thin films are used
to split an incident beam into two components. Various
transmission/reflection ratios are available. All coatings
are optimized for your specific angle of incidence, wavelength
region, polarization, and incident medium.
Low
temperature designs are available for components that require
processing at temperatures below 50 degrees Celsius. These
coatings are ideally suited for molded plastic components,
metal TO caps with glass windows and bare or terminated
fiber ends. These designs are applied with tremendous energy
resulting in dense films that resist moisture and have
excellent environmental properties.
Illustrated at right are two typical designs. The top right
curve is a 70T/30R dielectric design deposited onto a GRIN
rod lens for use with a cement incident medium at normal
incidence. The bottom right curve demonstrates the performance
of one of our special low polarization designs. This coating
is useful for applications that need balanced s-plane and
p-plane energy in the reflected or transmitted beam at
a 45 degree incident angle.
Contact us with your particular requirements for a free computer
simulation that illustrates the performance of a coating
designed for your fiberoptic component.
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