nonlinear acoustics
preferred label: صوت‌شناسی غیرخطی @fa
type: Concept
related: self-focusing

Kerr electro-optical effect
preferred label: اثر الکترونوری کر @fa
type: Concept
related: self-focusing

optical self-focusing
preferred label: خودکانونش نوری @fa
type: Concept
broader: self-focusing

focusing
preferred label: کانونش @fa
type: Concept
narrower: self-focusing

electrostriction
preferred label: الکتروتنگش @fa
type: Concept
related: self-focusing

self-focusing
related: electrostriction
related: Kerr electro-optical effect
related: nonlinear acoustics
preferred label: خودکانونش @fa
broader: focusing
type: Concept
narrower: optical self-focusing
alternative label: self-trapping