Polarization Photography

Polarization Photography

Reduce Sun GlareReduce ReflectionsDarkens SkyIncrease Color SaturationReduce Haze

Polarization Photography

Polarizing filters are used in photography and in certain kinds of sunglasses. But polarization is also used in digital watches and laptop screens. In this unit we will learn what polarization is and how polarizing filters can do amazing things with light. 

Polarization is everywhere in daily life. It is an important principle enabling many familiar things to work the way they do, from sunglasses to digital watches and laptop screens.

Polarization Photography

Provides better Color Saturation

Darkens the sky

Without Polarizer With Polarizer

Polarization Photography

Without Polarizer With Polarizer

Polarization Photography : Scattering

Haze De-hazed

Polarization Photography : Reflections

Reduce Reflections

Polarization Photography : Underwater

Underwater pipelines andcommunication

Offshore structures

Recreational photography

Underwater ROV/AOV

Light as Plane Waves Sinusoidal plane waves very good approximation.

Very useful for characterizing polarization.

Polarized Wave: Has only one preferred orientation.

Un-polarized Wave: Has no preferred orientation or has all orientations.

180o

minI

maxI

max

Classification of Polarization

Linear : Two orthogonal plane waves with same phase but possibly different amplitudes.

Circular: Two orthogonal plane waves with 90 deg phase

shift but same amplitudes.

Elliptical: Possibly any degree phase shift with different amplitudes.

Linear Polarization

Circular Polarization

Crossed Polarizers

Elliptical Polarization

Polarized Sunglasses

Reduce glare off the roads while driving

Thank you