Light Beams through Multiple Polarizers

Initializing live version

In this Demonstration, you can observe the changes in intensity of a light beam as you vary the angles of two or three polarizers.

Contributed by: S. M. Blinder (March 2011)
Open content licensed under CC BY-NC-SA

Snapshots

Snapshot 1: parallel polarizers: full transmission of light beam

Snapshot 2: crossed polarizers: no transmitted light

Snapshot 3: insertion of third polarizer with intermediate orientation: some light gets through now! maximum when θ=45°


Feedback (field required)

Email (field required)	Name

Occupation	Organization

Note: Your message & contact information may be shared with the author of any specific Demonstration for which you give feedback. Send