Custom Optics

Inrad Optics specializes in the production of challenging custom optics for process control, metrology, defense, medical, scientific and industrial applications. We fabricate and finish a wide range of customized transmission flats, windows, mirrors, prisms, waveplates and lenses in glass, metal, quartz and other crystalline materials. Our proprietary manufacturing techniques and metrology expertise give our optics a performance edge in technically demanding applications.


Inrad Optics fabricates a variety of custom plano optics including windows and window assemblies, interferometer reference and transmission flats, wedges, reticles, etalons, and filters, all to exceptional quality standards. All flats are fabricated, polished, coated and tested in our Northvale, NJ facility, ensuring complete traceability and satisfaction with every single product. 


Typical Window Specifications
Materials Fused Silica, Optical Glass, Filter Glass, MgF2, CaF2, Silicon, Germanium, ZnS, ZnSe and NiSO4
  Standard Superior
Dimensions OD 5 mm to 500 mm Thickness <50 µm to 100 mm
Angular Accuracy 30 arcmin 1 arcsec
Surface Quality 60/40 10/5
Transmitted Wavefront Error < λ/4 < λ/20

Learn more about our thin film coating performance and capabilities.