Abstract

We recently demonstrated the use of continuous-phase ion-exchanged diffractive elements in glass for free-space optics. We extend our design methods to substrate-mode optics, which permits compact packing of miniature-sized free-space optical systems. We designed one-dimensional gratings for equal-intensity 1 → 3 and 1 → 5 beam splitting, assuming both planar and conical incidence angles. An experimental demonstration of a 1 → 3 beam splitter with a uniformity error of 3.4% is presented.

© 1998 Optical Society of America

Reflective integrated optical elements produced by ion exchange in glass

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