Low Loss Mirrors
REO provides the broadest range of low loss mirrors. Manufactured with our state-of-the-art IBS coating and superpolishing technology, these mirrors guarantee the lowest possible losses. The micro-roughness of these mirrors is < 0.8 Å delivering reflectivities > 99.998% at any wavelength in the 450 nm to 2 μm range.
Standard Products
| HR Mirror Coatings | |||
|---|---|---|---|
| CWL Specification Range | Coating Bandwidth | 0° or 45° AOI (s&p) | Typical LDT |
| 260 nm - 320 nm | CWL +/- 3% | R >= 99% | > 3 J/cm2 at 20ns |
| 320 nm - 400 nm | CWL +/- 3% | R >= 99.5% | > 10 J/cm2 at 20ns |
| 400 nm - 900 nm | CWL +/- 3% | R >= 99.9% | > 30 J/cm2 at 20ns |
| 900 nm - 1600 nm | CWL +/- 3% | R >= 99.99% | > 40 J/cm2 at 20ns |
Any of the custom coatings outlined above can be applied to an assortment of our standard superpolished substrates - click the link to see available substrates.
Superpolishing
Substrate surfaces polished with roughness measuring less than 1A rms are availble from REO. “Superpolishing” refers to processes that are designed to produce surfaces featuring exceptionally low scattering of light throughout the UV to IR wavelength ranges. These superpolished surfaces often demonstrate surface scattering levels lower than 1ppm (wavelength dependent). In terms of surface roughness, this typically means surfaces with significantly less than 1A rms, integrated over spatial scales from approximately 1 micron to 100 microns. Superpolished surfaces may be flat or spherical with a radius of curvature as short as 20mm.
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Ion Beam Sputtered Coatings (IBS)
REO pioneered the commercial use of IBS Coatings in the late 1980’s. With 22 IBS systems in operation today, REO is home to the world’s largest concentration of IBS optical coating technology. Our IBS technology produces thin films with exceptionally low scatter and absorption along with high mechanical and environmental durability. Utilizing primarily metal oxide materials, REO uses IBS to produce films which function from the UV through the Mid IR (up to 6um).
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Spectral Metrology/Laser Photometry
REO maintains an extensive set of lasers for metrology, covering more than 30 wavelengths and bands between 244nm and 10.6um. A range of standard and proprietary measurement techniques allows us to characterize reflectivity, transmission, polarization extinction, retardance and other functional characteristics across all angles of incidence.
Spectrophotometers, both dual-beam and FTIR, cover a wavelength range from 180nm to 20um, with a large number of fixtures to accommodate various sizes and geometries over the full range of incident angles.
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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Call Now! 303.938.1960