Applied Physics Letters · 1983 · 97 citations · 9 references
Natural SciencesMaterials EngineeringMaterials ScienceOptical MaterialsOpticsPhotonicsInfrared Optical MaterialsOptical Thin FilmsOptical WaveguidesPhotonic Integrated CircuitsPhotonic MaterialsWaveguidesBendingCircular WaveguidesSputteringTransmission LossesWaveguide DesignWaveguide FabricationWaveguide LossWaveguide Materials
Circular hollow nickel waveguides with an inner germanium layer are fabricated by using a method based on rf sputtering, plating, and etching techniques. Transmission losses less than 0.5 dB are achieved including launching losses for straight waveguides with 1.5 mmφ×1 m at 10.6-μm wavelength. Bending losses of the waveguides are also examined.
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