Casperson, Lee and Yariv, Amnon (1971) Pulse Propagation in a High-Gain Medium. Physical Review Letters, 26 (6). pp. 293-295. ISSN 0031-9007. http://resolver.caltech.edu/CaltechAUTHORS:CASprl71
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It is found that ultrashort pulses in a high-gain 3.51-μm xenon laser propagate through the amplifying medium at a velocity less than the vacuum speed of light by as much as a factor of 2.5. The pulse velocity is a function of the gain and agrees with the group velocity.
|Additional Information:||©1971 The American Physical Society Received 23 November 1970|
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