AN OPTICAL WAVEGUIDE ELEMENT, A THREE-DIMENSIONAL OPTICAL WAVEGUIDE CIRCUIT AND AN OPTICAL SYSTEM

摘要

An optical waveguide element has plural spherical bodies arranged in straight or curve with diameters of not more than 100 .mu.m made of transparent uniform glass. The optical waveguide element may have plural spherical bodies arranged in straight or curve as are viewed from their ends with diameters of not more than 100 .mu.m made of transparent uniform glass.