In Stock Optical Flats Precision You Can Count On. Availability You Can Trust. Ready When You Are Lunt Optics maintains a curated inventory of ultra-precision optical flats—engineered, polished, and interferometrically certified for immediate deployment in high-performance optical systems. Ideal for laboratories, calibration benches, laser assemblies, and quality assurance environments where λ/20 to λ/40 flatness is a non-negotiable standard. Lunt Optics offers ultra-precision optical flats, polished and certified for immediate use in high-performance systems, perfect for labs and calibration setups.
Reference-Grade Flats All in-stock Lunt optical flats are manufactured to the same rigorous specifications as our custom products. Each flat is individually polished using our proprietary continuous pitch polishing process, resulting in exceptional flatness and surface uniformity, ready for immediate deployment.
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Technical Specifications & Applications Precision-engineered optical components for demanding applications
Optical Flats • Flatness: λ/20 to λ/40 peak-to-valley (interferometrically verified) • Materials: UV-grade fused silica and low-expansion Zerodur® • Sizes: Standard diameters in 2", 4", 6", 8", and 12" formats • Surface Finish: Double-sided polishing (front to λ/40, rear to λ/10 or better) • Coating: Uncoated optical flats for interferometry; coated options available separately • Packaging: Clean-room wrapped and shipped in protective cases • Certification: Delivered with a report confirming flatness, material, and inspection date Laser alignment systems Newton, Fizeau, and Twyman–Green interferometers Metrology and calibration benches Surface quality comparison and validation setups Optical systems prototyping Need a custom solution? Our team can design optical components tailored to your specific requirements.
Get the Precision You Need, Right Now Ready to enhance your optical systems with our premium in-stock flats?
