PIRA Classification: 7B20.10
Description: A small mercury lamp is placed between the poles of a large electromagnet. The light from the lamp is sent through a Fabry-Perot etalon to a camera. When the magnet is turned on and the field is increased, the interference rings will split.
Special Instructions: Slowly increase the current to the magnet.
Condition: Ok
Setup time: 5 minutes
Safety Issues: none