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**Warning: Low Resolution images used for
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Imaging Optics
including single-point, diamond-turned substrates
This section has examples of both space and
terrestrial optics where critical optical figures, either plano
or with power, is as important as reflective performance. ETI utilizes
physical tooling where required to prevent the classical high-current
density “run-out” usually associated with an electro-deposited
surface.
Non-imaging
Reflectors
This section illustrates infrared reflecting function as
contrasted to the imaging optics above. Here the energy is ''bounced''
in a general direction and in some cases ''homginized'' at the end
of a light pipe for example.
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(click image
for photo details)
Inspection Station for Gillette Ear Thermometer Lightpipe.
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Die Cast Aluminum Reflector - TOW Missile One of 750,000
Produced.
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Sea-Lite Aimer-Tracker
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Lamp Reflector for IR Counter-Measures Device. Note: Subtle
compound parabolic shape.
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Alpha Laser Beam Clipper
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Electroformed IR Jammer Reflector.
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Sample of Epner’s fabrication and plating “marriage”
Epner used a skilled machining customer to fabricate these
critical IR Jammer components, Gold plating and assembly at
ETI.
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Aluminum “Spider” beam management hardware.
THEL program.
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Boeing Super Plastic Forming Press. IR energy heats Titanium
sheet to permit "blow molding."
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Electroformed cone fitted to investment cast aluminum
housing. IR Countermeasure Device. |
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An 18 cavity aluminum reflector for an IR Jammer System.
.001” Electroless Nickel, .0001” Laser Gold.
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Brazed aluminum “ Laser dump”. Interior surface
Laser Gold plated to protect the device from laser damage.
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Critical Space Base Sensor System relies on Epner’s
low-emissivity Laser Gold and repeatable performance to maintain
thermal stability. |
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Low
Emissivity Optics
This section describes products that rely on the consistently low
emissivity of Laser Gold plating to control thermal load.
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(click image
for photo details)
Thermal Shield, Beryllium Hogout, Low-E Laser Gold
plated.
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Hubble Advanced Camera for Surveys Component.
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Thermal Shield on Gemini Near IR Imager
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JPL Sorption CoolerJet Propulsion Laboratories Sorption
Cooler.
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Low emissivity of Laser Gold aids in thermal-control on
stainless steel coil.
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Laser Applications
Laser Gold was named because of it near universal acceptance as
the most efficient and durable YAG Laser Pump Cavity coating. Epner
Technology both manufactures many OEM cavities and offers a refurbishment
service for lasers of all major manufacturers including the electroformed
Quantronix Head. ETI provides a solderable gold plating for diode
pumped heat sinks.
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(click image
for photo details)
Nd-Yag Laser Pump Cavity Reflector.
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Yag Laser pump cavity reflectors.
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Double elliptical one piece cavity. This cavity has been refurbished
by Epner's restoration team. |
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Integrating
Spheres
A unique process for altering the surface morphology of the substrate
(usually aluminum or brass) creates a Lambertian or Diffuse surface
that when coated with Laser Gold produces an extremely efficient
integrating sphere. Calibration Standards, traceable to NIST are
available.
The surface can be tailored to the particular
wavelength of interest with the surface “roughness” increasing
as one goes further out into the IR. Epner Technology will fabricate
a custom sphere or re-coat your existing one.
Sphere that is illustrated here is one of a few
thousand produced for an instrument used to measure the protein
of wheat and other grains.
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(click image
for photo details)
Laser Gold Diffuse
Lambertian Coating on
Intergrating Sphere.
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(click image
for photo details)
Unique application of both Laser Gold and Laser Black
on one part with the integrating sphere surfaces remaining
in aluminum.
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Light
Pipes and Cold Shields
Both straight and curved, custom designed lightpipes with highly
polished and Laser Gold coated bores can be fabricated in diameters
from less than 1mm to 400mm. Lengths vary, up to 1 meter. Thin wall
Cold Shields use ETI’s electroforming Laser Black and Laser
Gold’s performance to create a Cold Shield with ultra-low thermal
mass and an interior that, thanks to Laser Black, “swallows
light”. The OD is polished Laser Gold for extremely low emissivity.
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(click image
for photo details)
Electroformed
"cold shields" or radiation shields. IR focal plane
array sensor systems, Laser Black interior.
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IR Lightpipes or waveguides, as they
are sometimes called, have been fabricated by Epner Technology
to less than 1mm. diameter and 1 meter in length.
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Medical
A variety of medically related products from radio opaque markers
on catheters to lightpipes used in tympanic (ear) thermometers are
made possible with Laser Gold.
Semi-Conductor
Reflectors
Epi Reactors Rapid Thermal Heaters and Memory Disk Heaters all have
been improved by re-plating with Laser Gold. ETI both fabricates
from scratch or re-plates your existing reflectors on the AMT, ASM,
Intevac and Moore Technology heater systems. A patented improvement
in the reflector increased shape for EPI reactors has produced the
ability to guarantee lamp life for one year with uniformity at the
wafer.
Automotive
ETI has produced Laser Gold plated reflector panels for some 37
auto paint drying tunnel ovens. An experiment at Ford’s Wixom
pilot line produced an incredible 36% increase in oven efficiency
when compared to the original stainless steel oven walls.
Electroforming
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Epner's Laser Gold
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