Saturated-absorption laser apparatus

Saturated-absorption laser apparatus developed at the National Bureau of Standards for precise measurements of length.  John L. Hall (left) and Richard L. Barger view the laser's saturated absorption resonance line in methane vapor on the oscilloscope screen while Dr. Barger adjusts the laser mirror., Credit Line: National Bureau of Standards Archives, courtesy AIP Emilio Segrè Visual Archives, Physics Today Collection
Abstract/Description: Saturated-absorption laser apparatus developed at the National Bureau of Standards for precise measurements of length. John L. Hall (left) and Richard L. Barger view the laser's saturated absorption resonance line in methane vapor on the oscilloscope screen while Dr. Barger adjusts the laser mirror.
Subject(s): Profile portraits
Equipment and supplies
Hall, J. L. (John L.), 1934-
Barger, Richard Lee
Date Created: January 1969
Credit Line: National Bureau of Standards Archives, courtesy AIP Emilio Segrè Visual Archives, Physics Today Collection
Catalog ID: Hall John Lewis F1