Polarising filter,artwork

Numéro d’image : 11656105
Polarising filter,artwork
Polarising filter,computer artwork. A polarising filter (blue) allows light or other electromagnetic radiation whose electrical component lies at right angles (bottom) to the filter to pass through,but blocks those that are parallel (top) to the filter. As the top wave enters the filter it causes electrons to move (bright light in the column). These electrons absorb energy from the wave and absorb (filter) it. The electrons are constrained in the column and cannot move horizontally and so cannot absorb the energy from the bottom wave. Filters are used in sunglasses and photography to reduce glare
Licence : Droits gérés
Crédit: Science Photo Library / Kightley, Russell
Taille de l’image : 4180 px × 4180 px
Model Release : Non requis
Property Release : Non requis
Restrictions :
  • This image may not be used in educational posters

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