Fabrication And Characterization Problems Of A New Family Of Geodesic Lenses

S. Sottini; E. Giorgetti

doi:10.1117/12.937051

10 July 1987 Fabrication And Characterization Problems Of A New Family Of Geodesic Lenses

S. Sottini, E. Giorgetti

Proceedings Volume 0701, 1986 European Conf on Optics, Optical Systems and Applications; (1987) https://doi.org/10.1117/12.937051
Event: 1986 International European Conference on Optics, Optical Systems, and Applications, 1986, Florence, Italy

Abstract

A new family of geodesic lenses was studied, having a simplified profile of the outer rim. The new rim is expected to reduce the losses and to make the fabrication easier. Two lens prototypes were made on glass with ion exchanged waveguides. The substrates grinding and polishing was performed by a machine consisting of a lathe and a special transducer to check up the profile in real time. The maximum error with respect to the theoretical profile was 15 μm. Focal spot sizes of 15-18 μm were achieved with beam widths equal to 50% of the total lens diameter.

Citation Download Citation

S. Sottini and E. Giorgetti "Fabrication And Characterization Problems Of A New Family Of Geodesic Lenses", Proc. SPIE 0701, 1986 European Conf on Optics, Optical Systems and Applications, (10 July 1987); https://doi.org/10.1117/12.937051

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