visible radiation
type: Concept
preferred label: optisk strålning @sv
preferred label: optinen säteily @fi
related: laser beam

laser beam
type: Concept
broader generic: electromagnetic radiation
alternative label: laser radiation
broader: electromagnetic radiation
in scheme: conceptscheme
preferred label: lasersäteily @fi
preferred label: laserstrålning @sv
related: visible radiation

electromagnetic radiation
type: Concept
narrower: laser beam
preferred label: elektromagnetisk strålning @sv
preferred label: sähkömagneettinen säteily @fi