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Multilayer thin-film filters have been deposited on the end faces of optical fibres. Single and double cavity bandpass filters and low-ripple long-pass filters have been made with good optical quality. Reflections are reduced by depositing on bevelled end faces.
Inspec keywords: optical filters; fibre optics; thin films; optical films
Other keywords:
Subjects: Fibre optics; Optical coatings and filters; Spectral and other filters; Fibre couplers and connectors; Optical coatings