Abstract
A Stokes shifted superbroadening stimulated scattering has been studied in a CS2 liquid-core hollow fiber system with a long gain length (2.5 m) by using 10-ns laser pulses with a pump intensity range of (1065×108 W/cm2). The salient features of this stimulated scattering are that the spectral broadening range is very large (700 cm-1) and no detectable shift of the spectral maximum or periodical modulation structure is observed. In order to interpret our experimental results, various possible mechanisms and processes are discussed. A model based on stimulated Kerr scattering of anisotropic molecules in liquid is suggested to explain the observation. This model assumes a single-step reorientation of anisotropic molecules induced by an intense optical field.
| Original language | English |
|---|---|
| Pages (from-to) | 2687-2697 |
| Number of pages | 11 |
| Journal | Physical Review A - Atomic, Molecular, and Optical Physics |
| Volume | 41 |
| Issue number | 5 |
| DOIs | |
| State | Published - 1990 |
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