Mr. Patrick Bechtold Profile

Patrick Bechtold

Marketing Technologist at OptiPro Systems, LLC

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Proceedings Article | 13 May 2019 Presentation + Paper

Recent advances in machines, software and processes for manufacturing complex optical components

Scott DeFisher, Franciscus Wolfs, Michael Cahill, Patrick Bechtold, Ron Colavecchia, David Mohring

Proceedings Volume 10985, 109850J (2019) https://doi.org/10.1117/12.2520651

KEYWORDS: Ultrasonics, Optics manufacturing, Surface finishing, Polishing, Manufacturing, Optical components, Metrology, Freeform optics, Computer aided design, Domes

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OptiPro Systems, LLC has been recognized as a U.S. leader in computer-controlled equipment for manufacturing high precision optical components found in medical, military, aerospace, night vision and many other industrial and commercial applications. OptiPro’s success in winning several Small Business Innovative Research (SBIR) grants through the Navy, NASA and the Army have led to the commercialization of new machines, software and processes for grinding, polishing and measuring complex optics such as windows and domes. OptiSonic machines incorporate the latest in ultrasonic machining technology by adding 20-40 kHz of adaptive oscillation to the grinding tool, which reduces force on the tool and part during processing. OptiSonic machines have proven to increase processing speed and precision when grinding various hard optical materials that are ideal for hypersonic applications. UltraForm Finishing (UFF) machines are capable of deterministically finishing windows, domes, and other complex optical elements through a patented sub-aperture polishing technique. This method involves a moving belt of polishing material wrapped around a precision compressive wheel. UltraSurf machines deliver ultra-precision non-contact metrology though the utilization of high-quality machine components and the latest non-contact probe technologies. The measuring probe is scanned over the optical surface while maintaining perpendicularity and a constant focal offset. Finally, our PROSurf freeform computer-aided manufacturing (CAM) software is used to develop advanced toolpaths for each of these platforms. We will present an overview of each of these technologies and discuss how they are advancing the precision optics manufacturing world.

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