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Army Research Lab Awards SBIR Contract to Lumetrics

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ROCHESTER, N.Y., Sept. 15, 2021 — Lumetrics, a manufacturer of precision noncontact thickness measurement and noncontact optical inspection systems, was awarded a Small Business Innovation Research (SBIR) contract with the Army Research Lab. Under the contract, Lumetrics will ensure the quality development of transparent armor (TA) products, such as ballistic and blast-resistant glass.

The goal of the SBIR project is to assess the manufacturing quality of new TA windows, predict the failure of existing TA, and extend the service life of TA. Lumetrics will advance its multispectral low-coherence measurement interferometer (MS-LCI) by combining it with machine vision and a Shack-Hartmann wavefront sensor that will detect and predict material degradation and delamination.

TA products protect active-duty personnel. As a result, manufacturing quality, consistent material composition, and material longevity are critical.

Advanced integrated solid-state multiwavelength sources will increase the sensitivity and robustness of the MS-LCI technology. Real-time simulations of TA materials will also shed light on root causes and possible remediation methods.

The highly tuned sensing technology will provide new approaches to predict TA failure, test TA manufacturing processes, and ultimately create new manufacturing methods that increase TA’s longevity.

“It makes good sense that the DOD has selected Lumetrics as their metrology partner for transparent armor,” said Tom Battley, executive director of the New York Photonics and the Rochester Regional Photonics Cluster. “I can see plenty of other opportunities for using Lumetrics’ innovative technology for measuring other transparent/translucent components such as conformal and freeform windows.”

Lumetrics’ contract is expected to end in July 2023.

Photonics.com
Sep 2021
GLOSSARY
glass
A noncrystalline, inorganic mixture of various metallic oxides fused by heating with glassifiers such as silica, or boric or phosphoric oxides. Common window or bottle glass is a mixture of soda, lime and sand, melted and cast, rolled or blown to shape. Most glasses are transparent in the visible spectrum and up to about 2.5 µm in the infrared, but some are opaque such as natural obsidian; these are, nevertheless, useful as mirror blanks. Traces of some elements such as cobalt, copper and...
interferometry
The study and utilization of interference phenomena, based on the wave properties of light.
machine vision
Interpretation of an image of an object or scene through the use of optical noncontact sensing mechanisms for the purpose of obtaining information and/or controlling machines or processes.
BusinesscontractLumetricsNew York Photonicsoptical inspectionSBIRArmy Research Labmilitarytransparent armorglassinterferometrySensors & DetectorsSmall Business Innovation Researchinspectionmultispectral low-coherence measurement interferometermachine vision

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