Interferometer expands optical metrology options
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Janos Technology product story
Edited by the Engineeringtalk editorial team
Nov 22, 2005
A new QED subaperture stitching interferometer will greatly expand Janos' current range of optical fabrication and testing services by increasing interferometric capabilities.
Janos Technology has acquired a QED subaperture stitching interferometer (SSI).
The SSI will greatly expand Janos' current range of optical fabrication and testing services by increasing interferometric capabilities, providing radius of curvature and surface figure measurements for both high numerical aperture (NA) and large aperture optics.
The automated SSI work station features a five-axis CNC machine base integrated with a Zygo VeriFire AT phase-shifting interferometer capable of measuring lenses up to 280mm diameter and (NA) of 1.
The SSI automatically acquires and stitches subaperture data, calculates and compensates for reference wave-front errors thus achieving better than lambda/100 P-V accuracies (at 632.8nm).
Erik Stover, Director of Research and Development for Janos Technology, notes: "The new subaperture stitching interferometer will enhance the precision metrology that is available from Janos Technology".
"We're pleased to offer this extraordinary capability to our customers who require precision metrology of high NA and large aperture optical components".
Janos Technology offers custom precision optics, optical assemblies, and a family of thermal imaging lenses, ideal for multispectral applications in military and defence, industrial, commercial OEM, R and D, aerospace and astronomy.
The company's online store also features the web's largest selection of COTS optical components.
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