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Thermal and acoustic effects in optical phase conjugation in Rhodamine 6G solutions with nanosecond pulses |
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| Authors: | A Costela J M Figuera and F Florido |
| Institution: | Instituto de Química Física “Rocasolano”, CSIC, Serrano 119, 28006, Madrid, Spain |
| Abstract: | Thermally induced phase conjugation by degenerate four-wave mixing in solutions of Rhodamine 6G in ethanol in the weak absorption region, low-reflectivity regime, and nonosecond time domain is reported. Evidence of oscillatory acoustic modes in the nonlinear medium is presented and existing theories are shown to explain satisfactorily the experimental results. |
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