Skip to main content

Arago's Spot

Entire length of demonstration - laser with spreader, ball bearing, and blackboard

Concept Overview:

1. Fresnel Diffraction

Lecturer Instructions

Steps to FollowExpected Result

1. Turn on laser

2. Observe pattern (adjust horizontal distance as needed)

A small point of light will be visible within the dark center of the shadow.
Transcript

There is no audio for this recording.

Identifier
L: W - 023