Windows
REO fabricates high precision windows utilizing a variety of substrate materials and thin film coating techniques to satisfy demanding requirements for precise control of reflectivity and optical surfaces with minimal losses. We specialize in servicing challenging applications such as laser cavities, aerospace, military, illumination, and instrumentation that require extremely tight control of transmitted wavefront, high parallelism, low scatter, high laser damage resistance and exceptional environmental durability.
Standard Products
| Antireflection Coatings | |||
|---|---|---|---|
| CWL Specification Range | Coating Bandwidth | 0° AOI | Typical LDT |
| 260 nm - 320 nm | CWL +/-3% | R <= 0.1% | > 2 J/cm2 at 20ns |
| 320 nm - 400 nm | CWL +/-3% | R <= 0.1% | > 5 J/cm2 at 20ns |
| 400 nm - 900 nm | CWL +/-3% | R <= 0.1% | > 15 J/cm2 at 20ns |
| 900 nm - 1600 nm | CWL +/-3% | R <= 0.1% | > 20 J/cm2 at 20ns |
Custom IBS antireflection window coatings can be applied at any variety of our standard superpolished substrates for a quick, custom solution.
Thin Film Coating
Over 20 years ago, REO became the first company to commercially provide Ion Beam Sputtered (IBS) thin film coatings. Today, we have expanded our technology to produce the highest quality thin films performing a range of functions across the full optical spectrum from the deep UV (190nm) through the long wave IR (14um). With a total of 35 coating chambers in operation, REO’s ability to produce the highest performance, lowest loss, most durable thin films across the spectrum is unmatched in the world.
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Laser Damage Testing
REO provides some of the highest laser damage resistant optics in the world and is committed to the highest possible standard for testing and qualification of these optics. With our own fully automated laser damage test capability, REO not only conducts routing production testing of our products, but also continuously advances the state of the art in understanding laser damage mechanisms and test methodologies.
REO’s primary test system is comprised of a ~20ns pulse length 1064nm laser induced damage threshold (LIDT) test system according to ISO 21254-2 or other similar test protocols.
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Surface Metrology
REO maintains 14 Fizeau interferometers for accurate measurement of surface figure, utilizing several different configurations for both in-process and final product measurement of surface figure of flat and spherical surfaces. REO has interferometers at 633nm and 1064nm. These instruments normally have an absolute accuracy of approximately l/100. REO maintains interferometers with apertures of up to 150mm diameter, with lateral resolution of up to 100um.
Learn MoreTechnologies
Our core production starts with optical polishing, includes super polishing, IBS coatings, broad focused metrology, including in house LDT and concludes with our active active assembly production. REO cutting edge technology enables the optimum manufacture of our products.
Capabilities
Our team's experience and expertise spans optical fabrication, coating, testings, assembly, engineering, supply chain and project management.
Facilities
Our factory has been built and organized for optics, thin film coatings and assembly fabrication. Clean rooms, state of the art metrology and our laminar flow production areas for contamination controls are just the foundation of what we do to ensure excellence.
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Contact REO Today!
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Call Now! 303.938.1960