Fringe Projection Metrology for Thermoformed Millimeter Wave Freeform Optical Elements

Joel Berkson; Emily Rodriguez; Zack Hatfield; Alex St. Peter; Naomi Nguyen; Bailey Allen; Wyatt Ellis; Christian Davila-Peralta; Justin Hyatt; Dae Wook Kim; Dae Wook Kim

doi:10.1364/FREEFORM.2021.JTu2B.2

OSA Optical Design and Fabrication 2021 (Flat Optics, Freeform, IODC, OFT)
OSA Technical Digest (Optica Publishing Group, 2021),
paper JTu2B.2
•https://doi.org/10.1364/FREEFORM.2021.JTu2B.2

Fringe Projection Metrology for Thermoformed Millimeter Wave Freeform Optical Elements

Joel Berkson, Emily Rodriguez, Zack Hatfield, Alex St. Peter, Naomi Nguyen, Bailey Allen, Wyatt Ellis, Christian Davila-Peralta, Justin Hyatt, and Dae Wook Kim

Freeform Optics 2021

Washington, DC United States
27 June–1 July 2021
ISBN: 978-1-943580-88-0

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Freeform Testing and Laser Processing (Joint Freeform and OF&T) (JTu2B)

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J. Berkson, E. Rodriguez, Z. Hatfield, A. S. Peter, N. Nguyen, B. Allen, W. Ellis, C. Davila-Peralta, J. Hyatt, and D. W. Kim, "Fringe Projection Metrology for Thermoformed Millimeter Wave Freeform Optical Elements," in OSA Optical Design and Fabrication 2021 (Flat Optics, Freeform, IODC, OFT), F. Capasso, W. Chen, P. Dainese, J. Fan, J. DeGroote Nelson, F. Duerr, J. Rogers, J. Rolland, P. Clark, R. Pfisterer, H. Rehn, S. Thibault, M. Jenkins, D. Wook Kim, and N. Trela-McDonald, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper JTu2B.2.

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Abstract

University of Arizona scientists have developed an efficient method of thermoforming panels for millimeter wave freeform antenna applications. We’ve implemented stereo fringe projection metrology to characterize these panels to 40µm RMS accuracy.

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