Compact zoom visual scope using gradient-index Alvarez lenses

David H. Lippman; Greg R. Schmidt; Julie L. Bentley; Duncan T. Moore; Hooman Akhavan; Paul Harmon

doi:10.1117/12.2692515

Optica Design and Fabrication Congress 2023 (IODC, OFT)
Technical Digest Series (Optica Publishing Group, 2023),
paper 127981Z
•https://doi.org/10.1117/12.2692515

Compact zoom visual scope using gradient-index Alvarez lenses

David H. Lippman, Greg R. Schmidt, Julie L. Bentley, Duncan T. Moore, Hooman Akhavan, and Paul Harmon

International Optical Design Conference 2023

Québec City, Québec Canada
4–8 June 2023
ISBN: 978-1-957171-22-7

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Emerging Optics Technologies (EOT)

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D. H. Lippman, G. R. Schmidt, J. L. Bentley, D. T. Moore, H. Akhavan, and P. Harmon, "Compact zoom visual scope using gradient-index Alvarez lenses," in Optica Design and Fabrication Congress 2023 (IODC, OFT), Technical Digest Series (Optica Publishing Group, 2023), paper 127981Z.

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Abstract

Gradient-index Alvarez lenses (GALs), a recently introduced variable power component, are highlighted in this work. A zoom visual scope is designed using GALs rather than with the conventional approach of longitudinally translating, fixed power elements. The resultant design achieves a significant reduction in system length compared with a conventional zoom scope. A secondary design is also demonstrated using only commercial off-the-shelf (COTS) homogeneous elements.

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