Dual-probe measurement system of geometric form evaluation of cylindrical lenses

Aaron Brettin

doi:10.1117/12.2690820

30 November 2023 Dual-probe measurement system of geometric form evaluation of cylindrical lenses

Aaron Brettin

Proceedings Volume PC12778, Optifab 2023; PC1277809 (2023) https://doi.org/10.1117/12.2690820
Event: SPIE Optifab, 2023, Rochester, New York, United States

Abstract

This paper presents plano-convex cylindrical lens measurements employing a novel dual-probe system integrating two chromatic confocal probes with a single spectrometric sensor. Collecting data serially from the probes, the system outputs top and bottom surface point clouds without unseating the optic. Point cloud analysis results in radius of curvature, center thickness, and total thickness variation measurements of the profiled region. Alignment methods reduce XYZ positional errors and verified through reversal error methods.

Conference Presentation

Citation Download Citation

Aaron Brettin "Dual-probe measurement system of geometric form evaluation of cylindrical lenses", Proc. SPIE PC12778, Optifab 2023, PC1277809 (30 November 2023); https://doi.org/10.1117/12.2690820

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