Inspec keywords: optical filters; fibre optics; optical couplers; optical losses

Other keywords: single-mode fibres; W-fibres; low-loss tapered fibres; anomalous loss effects; depressed-cladding; low-loss devices; abrupt taper filters; delineation criteria; tapered fibre devices; beam expanders; fibre couplers

Subjects: Optical coatings and filters; Spectral and other filters; Other fibre optical devices and techniques; Fibre optics; Fibre couplers and connectors