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

optical fibre fabrication
preferred label: ساخت تار نوری @fa
type: Concept
related: optical fibre cladding

cladding
preferred label: غلاف @fa
type: Concept
narrower: optical fibre cladding

cladding technique
preferred label: فن روکش‌کاری @fa
type: Concept
narrower: optical fibre cladding

optical fibre cladding
preferred label: غلاف تار نوری @fa
broader: cladding
broader: optical film
broader: cladding technique
broader: optical fibres
scope note: protective coating, optical fibre
type: Concept
alternative label: protective coating, optical fibre
related: optical fibre fabrication

optical film
preferred label: فیلم نوری @fa
type: Concept
narrower: optical fibre cladding