Nobody can afford to dissatisfy their customers.

Metrology
Metrology Myths:
Top myths of modern metrology:
- Myth #1: Buying additional standard interferometers substantially increases your metrology capabilities.
- Myth #2: If a subaperture measurement looks good, the entire part will be in spec.
- Myth #3: If measurement says it’s good, the part is good.
- Myth #4: Pixel Scale = Resolution
Click here to download technical papers about the challenges of measuring spatial frequencies.
The reality is often vastly different.
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Metrology Services
QED offers advanced optical polishing and metrology services for applications involving high precision optical components. Whether you need to produce large optics, unusual freeform optics, next-generation optical systems, or if you simply need to complement your existing manufacturing capabilities, QED can help you get the job done.
QED vs. the others
Does your metrology measure up?
- Are you measuring the full aperture on all your parts?
- Are you really measuring what you think you are measuring?
- Are you seeing everything on the surface?
- Are you measuring aspheres?
SSI® Metrology helps you answer all of these questions with confidence. Learn how. 
QED.NET on SSI-A!
QED.NET software is now available on the SSI-A® metrology system. QED.NET incorporates industry best-in-class technology and tools,
and offers improvements such as:
- Improved measurement design process
- Faster sphere measurements
- Improved asphere measurements
- New analysis and reporting tools
- Plus, all the advantages of the QED.NET framework
QED.NET guides you through faster, more accurate, and more robust measurements on your SSI-A.
SSI® Metrology
SSI products provide optics manufacturers with the most powerful, versatile, and flexible metrology process in the world..
What to know more? Here's a list of some the metrology questions we hear most often.
Learn more about how SSI uses subaperture stitching interferometry to provide fast, accurate and flexible metrology solutions.
Learning Center
Learn more about our technologies:
- MRF® Polishing
- SSI® Metrology
- MR Jet® Polishing
Applications
QED's applications engineers showcase the versatility and flexibility of MRF.
Downloads 
Download this month's featured paper, "Designing cost-effective systems that incorporate high-precision aspheric optics," by G.W. Forbes and C.P. Brophy, presented at Optifab 2009.





