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699 Ring Dye laser
A 699 Ring Dye laser. It is used for spectroscopy, or the study of how atoms emit light. Semiconductor manufacturers require these tools to test their products. The ring laser can be tuned for wavelengths of 300 to 900 nanometers.
Overhead view of a Ring Dye laser
An overhead view of the Ring Dye laser.
Model 52 Ion laser
The Model 52 Ion laser. Debuted in 1968, it was the first laser to sell more than 10,000 units. It cost less than $10,000.