Fabrication of planar optical waveguides by K^+ ion exchange in BK7 glass
- 1 February 1986
- journal article
- Published by Optica Publishing Group in Optics Letters
- Vol. 11 (2), 100-102
- https://doi.org/10.1364/ol.11.000100
Abstract
Planar waveguides have been formed by K+ exchange in BK7 optical glass. Measurements of the mode indices (TE) have been made and are well described by the WKB dispersion relation with a complementary error-function index profile. An index change of Δn = 0.0094 was found, and the diffusion times necessary to achieve a desired number of modes and diffusion depths have been established.Keywords
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