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Optikos Corporation
Map107 Audubon Rd., Bldg. 3
Wakefield, MA 01880
United States
Phone: +1 617-354-7557
Fax: +1 617-354-5946

Why We Test Lenses Over Temperature: Model Validation, Focus Hysteresis, and Other Unusual Failure Modes

Author: Kevin Sweeney Monday, October 25, 2021
Athermalization of imaging assemblies is a common challenge in optomechanical lens design. A prototype that achieves the thermal performance predicted by raytracing software is far less common. This is often due to behavior that is unforeseeable before characterization of as-built hardware. This article details how temperature-controlled metrology using the OpTest Thermal Module can uncover such undesirable effects so that they can be quantified, understood, and ultimately solved.

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