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27 February 2019 The sealed, the athermaled, and the rugged: the wild west of modified opto-mechanical design
Philip Pause
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Proceedings Volume 10914, Optical Components and Materials XVI; 1091423 (2019) https://doi.org/10.1117/12.2509790
Event: SPIE OPTO, 2019, San Francisco, California, United States
Abstract
The ability of a lens assembly to withstand extreme environmental conditions is a common problem for engineers. Once the optical engineer has a design that matches the required optical specifications, the opto-mechanical engineer is tasked with developing mechanics that can withstand the environmental specification. Using FEA and theoretical analysis, a StingRay GhostSight VisSwir lens was put through varying levels of common environmental stresses experienced within the field, including high shock and vibration as well as extreme temperature and pressure variations. The GhostSight was then mechanically modified in subtle ways to improve performance against these stresses. These same modifications can be implemented in other lens assembly designs to provide similar high performance capabilities in extreme settings.
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Philip Pause "The sealed, the athermaled, and the rugged: the wild west of modified opto-mechanical design", Proc. SPIE 10914, Optical Components and Materials XVI, 1091423 (27 February 2019); https://doi.org/10.1117/12.2509790
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KEYWORDS
Finite element methods
Aluminum
Mechanics
Mechanical engineering
Optomechanical design
Custom fabrication
Vibration control
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