optical waveguide filter
preferred label: پالایه موج‌بر نوری @fa
type: Concept
narrower: optical fibre filter

optical fibres
preferred label: الیاف نوری @fa
type: Concept
narrower: optical fibre filter

optical fibre filter
alternative label: optical fiber filter
scope note: optical fiber filter
broader: optical waveguide filter
broader: optical fibres
preferred label: پالایه تار نوری @fa
type: Concept