Ion exchange in glass for the manufacture of continuous-phase free-space diffractive optical elements

Risto-Pekka Salmio; Jyrki Saarinen; Jari Pekka Turunen; Ari Tervonen

doi:10.1117/12.255521

22 October 1996 Ion exchange in glass for the manufacture of continuous-phase free-space diffractive optical elements

Risto-Pekka Salmio, Jyrki Saarinen, Jari Pekka Turunen, Ari Tervonen

Proceedings Volume 2943, Gradient-Index Optics in Science and Engineering; (1996) https://doi.org/10.1117/12.255521
Event: Gradient-Index Optics in Science and Engineering, 1995, Kazimierz Dolny, Poland

Abstract

Manufacture of continuous-phase diffractive free-space elements by thermal ion exchange in glass has been proposed and demonstrated. In contrast to aiming at binary phase modulation by trying to minimize the inevitable lateral diffusion, side diffusion to obtain a smoothly carrying continuous phase profile was deliberately employed. This can be done if the mask aperture configuration and ion exchange time are numerically optimized to result in the desired optical function.

Citation Download Citation

Risto-Pekka Salmio, Jyrki Saarinen, Jari Pekka Turunen, and Ari Tervonen "Ion exchange in glass for the manufacture of continuous-phase free-space diffractive optical elements", Proc. SPIE 2943, Gradient-Index Optics in Science and Engineering, (22 October 1996); https://doi.org/10.1117/12.255521

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