Abstract:A series of papers which appeared in the September 1969 issue of the Bell System Technical Journal treated the theory of dielectric wave guides and stressed the potential use of such media for optical communi cation circuits.'"* Here we report on the realization of low-loss, thin glass films which can be used for circuit fabrication. Methods of pre paring planar films and waveguides having rectangular cross section are described along with the techniques used in evaluating their optical characteristics.The fil… Show more
“…When the light propagate inside a waveguide, waveguide loss can be calculated by measuring the reduction of scattering intensity align the propagation [20]. The scattering intensity I(x) in the place of x is…”
“…When the light propagate inside a waveguide, waveguide loss can be calculated by measuring the reduction of scattering intensity align the propagation [20]. The scattering intensity I(x) in the place of x is…”
“…The refractive index was measured with a Metricon ® 2010 prism coupler, a thin‐film thickness/refractive‐index measurement system. The transmission loss was estimated by the prism sliding5 and the scattering detection methods 6…”
“…The transmission loss was estimated by the prism sliding 5 and the scattering detection methods. 6 The transmission spectra were measured with a Hitachi U-3410 ultraviolet-visible spectrophotometer. The coefficient of thermal expansion (CTE) measurement was performed on a Seiko TMA 120 thermomechanical analyzer.…”
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