Darkness Amplification by Stimulated Absorption of Radiation, No Kidding!
Optics & Photonics Focus
Volume 11 Story 4 - 10/11/2010

Laser versus dasar

The story goes that Charles H. Townes first thought of how to implement a working laser while sitting on a bench. In 1960, the laser –- light amplification by stimulated emission of radiation — was eventually invented. As a parody, the dasar -– darkness amplification by stimulated absorption of radiation — was also invented in Townes’s lab.
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Laser versus dasar. The story goes that Charles H. Townes first thought of how to implement a working laser while sitting on a bench. In 1960, the laser –- light amplification by stimulated emission of radiation — was eventually invented. As a parody, the dasar -– darkness amplification by stimulated absorption of radiation — was also invented in Townes’s lab.