Rami Arieli: "The Laser Adventure" Chapter 6, Argon Gas Lasers, page 3
The Argon Ion laser applications:

1. A source for optical pumping of Dye laser.

2. Entertainment - in laser light shows, discoteques, and laser displays.

3. General Surgery - for applications that use absorption at specific wavelengths.

4. Ophthalmic welding of detached retina.

5. Forensic Medicine - for fluorescence measurements.

6. Holography - Because of its high power in the visible spectrum.