Theory of optical phase conjugation via four-wave mixing in laser plasmas
- Laser and Plasma Technology Division, Bhabha Atomic Research Centre, Bombay 400 085 (India)
Theoretical studies of optical phase conjugation via four-wave mixing in a two-temperature laser produced carbon plasma are reported. Starting from Maxwell equations and using the theory of parametric decay instability, analytical expressions of the phase conjugate reflectivity for a steady-state probe have been obtained and numerically evaluated for the case of the laser plasma formed by irradiating a carbon slab target with a Nd:Glass laser operating at {lambda}{sub 0}=1.06 {mu}. The variation of reflectivity as a function of frequency and angular mismatch between the pump and probe waves has been considered. It is observed that the reflectivity peaks occur under the situation of resonance when the frequency mismatch equals the ion-acoustic frequency of the plasma. The detailed numerical results are graphically reported and discussed. {copyright} {ital 1995} {ital American} {ital Institute} {ital of} {ital Physics}.
- OSTI ID:
- 165185
- Journal Information:
- Physics of Plasmas, Journal Name: Physics of Plasmas Journal Issue: 5 Vol. 2; ISSN PHPAEN; ISSN 1070-664X
- Country of Publication:
- United States
- Language:
- English
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