Self-Phase Modulation of Light in a Laser-Breakdown Plasma
- 20 May 1974
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 32 (20) , 1101-1104
- https://doi.org/10.1103/physrevlett.32.1101
Abstract
Self-phase modulation in a -laser breakdown plasma is observed to down-shift the wavelength from 10.6 to about 10.0 μm. This results from the sudden drop in refractive index, from 1 to 0, which accompanies the ionization of the gas. The pressure dependence of this effect in nitrogen is opposite to that in helium.
Keywords
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