Optical waveguide losses of pzt thin films with various zr/ti stoichiometries
作者： G. Teowee , J. M. Boulton , E. K. Franke , S. Motakef , T. P. Alexander
DOI: 10.1080/10584589708015719
关键词: Perovskite (structure) 、 Optics 、 Materials science 、 Pyrochlore 、 Phase (matter) 、 Analytical chemistry 、 Waveguide (optics) 、 Spectroscopy 、 Refractive index 、 Thin film 、 Molar absorptivity
摘要: Abstract Sol-gel derived PZT thin films were spincoated on Corning 7059 glass substrates and fired to temperatures ranging from 500C 600C for 30 min. The compositions consisted of x/y where = 0/100, 20/80, 35/65, 53/47, 65/35, 80/20 100/0. Only single coated used since multiple coatings led higher losses. XRD was characterize the phase assembly indicated that with Zr contents contained proportionally more pyrochlore; while Ti have perovskite contents. UV-VIS spectroscopy utilized obtain transmission optical properties(refractive index extinction coefficient) via envelope method. Waveguide losses measured using prism coupling at 633 nm HeNe laser wavelength. waveguide in ranged 1.3 2.0 dB/cm. surface texture or morphology significantly affected as striated gave 2.7 3.3 The...
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