Demonstration of the operation of an argon ion laser
Demonstration of the broad spectrum from an argon laser using an optical spectrum analyzer
Demonstration of single-frequency operation using an intracavity etalon
Demonstration of the effect of etalon tuning on the single-frequency output of the laser showing mode hopping phenomena
Demonstration of the effect of aligning the intracavity etalon normal to the laser beam showing chaotic amplitude and frequency behavior
