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

14 September 2023 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

Proceedings Volume 12798, International Optical Design Conference 2023; 127981Z (2023) https://doi.org/10.1117/12.2692515
Event: International Optical Design Conference 2023, 2023, Quebec City, QC, Canada

Abstract

Gradient-index Alvarez lenses, a new type of variable power component, are applied to the design of a zoom visual scope. The axially fixed Alvarez lenses allow for a reduction in system 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.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

David H. Lippman, Greg R. Schmidt, Julie L. Bentley, Duncan T. Moore, Hooman Akhavan, and Paul Harmon "Compact zoom visual scope using gradient-index Alvarez lenses", Proc. SPIE 12798, International Optical Design Conference 2023, 127981Z (14 September 2023); https://doi.org/10.1117/12.2692515

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KEYWORDS

Zoom lenses

Design and modelling

Relays

Lenses

Refractive index

Commercial off the shelf technology

Reticles

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