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Titanium diffused waveguides in sapphire
L.M.B.Hickey & J.S.Wilkinson
Fabrication of optical waveguides in sapphire by the thermal diffusion of titanium is reported. Single mode operation at λ=633nm was observed following diffusion at 1950±30°C for up to 3.5 hours. Waveguide mode intensity profiles are given and mode depths between 6.2μm and 9.6μm were obtained in the TE polarisation.
Electronics Letters (1996) Vol.32(24) pp.2238-2239
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