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General Description
Several anti-reflection designs suitable for glass optical
elements, display windows and laser optics are available.
ECI #229 and #289 are broad-band coatings commonly used
to reduce first surface reflection across the visible spectrum.
These coatings will improve contrast, reduce glare and
improve transmission through optical surfaces. ECI #269
is a "V-coat" low reflection coating especially suited
for laser, laser diode and other narrow-band applications.
ECI
#229 is a single layer Magnesium Fluoride coating
that provides a minimum first-surface reflection of 1.4%
on glass substrates with an index of refraction of 1.52.
Higher index glasses result in lower reflection values.
This coating conforms to the reflection and environmental
requirements of MIL-C-675.
ECI
#269 is a special narrow-band low reflection coating
that can reduce first-surface reflection to less than
0.15% at the peaking wavelength. This coating can be
optimized for use on many types of glass substrates including
high and low index materials, laser rods, and GRIN rod
lenses. Designs specifically for high power laser applications
are available.
ECI
#289 is a multi-layer broad-band coating used on
optical components that demand the lowest possible first-surface
reflection and maximum light transmission. ECI #289 meets
the reflection and environmental requirements of MIL-C-14806A.
Designs are available for various glass indices, angles
of incidence, polarization requirements and wavelength
regions. We also have broad-band designs for other wavelength
regions such as 375-575nm, 600-1000nm and 1250-1600nm.
Custom designs are available..
These
coatings are suitable for laser applications, industrial
instrumentation, medical optics and fiberoptic components.
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