Technology
Engineered to Solve Optical Manufacturing’s Toughest Challenges
From ultra-precise polishing to advanced surface measurement, QED Technologies® platforms are built to deliver exceptional results in the most demanding applications. Our suite of solutions: Magnetorheological Finishing (MRF®), Subaperture Stitching Interferometry (SSI™), and NMF™, work together to improve quality, increase efficiency, and unlock new possibilities in optics production.
Magnetorheological Finishing (MRF)
A subaperture polishing process that delivers ultra-precise surface correction and consistency across a wide range of optical materials and geometries.
Subaperture Stitching Interferometry (SSI)
An automated subaperture metrology solution for a wide range of aspheres and freeform optics.
NMF
An optical profilometer that delivers superior versatility, accuracy, speed, and non-contact measurement for aspheric and freeform optics.
Print-Through Correction on Lightweight Silicon Carbide Mirrors
Case Study Summary Lightweighted silicon carbide mirrors are commonly used in space and large-aperture optical systems but are prone to print-through and quilting errors when polished using convention...
Manufacturing Super-Flat Optical Flats Using SSI and MRF
Case Study Summary QED Technologies combined Subaperture Stitching Interferometry (SSI) with Magnetorheological Finishing (MRF) to manufacture a fused silica optical flat with peak-to-valley flatness ...
Aspheric Form Generation Using MRF Technology
Case Study Summary This case study illustrates how Magnetorheological Finishing (MRF) can be used not only for correction but also for inducing aspheric form. A 170 mm diameter BK7 optic with an initi...
Improving Optical Mold Surface Roughness and Figure with MRF
Case Study Summary QED Technologies applied Magnetorheological Finishing (MRF) to smooth mid-spatial-frequency errors, reduce micro-roughness, and correct figure on a tungsten carbide optical mold. Th...
High Precision Sphere Correction Using MRF Technology
Case Study Summary This case study demonstrates the use of Magnetorheological Finishing (MRF) to correct both large convex and deep concave spherical optics to ultra-high precision. Using QED Technolo...
High NA Concave Polishing Using Extended MRF™ Capability
Case Study Summary QED Technologies developed an extended high numerical aperture (NA) rotational polishing mode for Magnetorheological Finishing (MRF) to enable deterministic finishing of steep conca...
High-Precision Sphere Measurements with SSI™
Case Study Summary Focusing on the repeatability of SSI-based measurements, this study confirms the system’s ability to provide consistent results across multiple scans of the same concave spherical...
Achieving Ultra-Low Surface Roughness with MRF™ Technology
Case Study Summary This case study explores how QED Technologies enhanced MRF to reliably achieve ultra-low surface roughness for high-performance optics. Targeting applications like EUV lithography, ...
High-Precision Asphere Measurements Using SSI™
Case Study Summary This case study showcases SSI’s ability to perform sub-nanometer precision measurements on high-precision aspheres. By analyzing two sets of 10 stitched measurements with slightly...
Cross-Test Results with SSI™ for High-Precision Sphere Measurements
Case Study Summary This case study explores the accuracy and repeatability of QED Technologies’ Subaperture Stitching Interferometry (SSI®) in measuring high-precision spherical optics. Using a con...
Extending Magnetorheological Finishing to Address Short Radius Concave Surfaces and Mid-Spatial Frequency Errors
Case Study Summary This case study highlights how QED Technologies expanded the capabilities of Magnetorheological Finishing (MRF®) using a smaller, 10 mm wheel to polish optics with short-radius con...
MRF® Technology: Achieving Ultra-Low Surface Roughness
Case Study Summary This case study highlights how QED Technologies improved Magnetorheological Finishing (MRF) to deliver deterministic, ultra-low surface roughness polishing—critical for applicatio...