Nondegenerate two-wave mixing in shaped microparticle suspensions

Roberto Pizzoferrato; Marco De Spirito; Ugo Zammit; Massimo Marinelli; Daniel N. Rogovin; James F. Scholl

doi:10.1117/12.43577

1 June 1991 Nondegenerate two-wave mixing in shaped microparticle suspensions

Roberto Pizzoferrato, Marco De Spirito, Ugo Zammit, Massimo Marinelli, Daniel N. Rogovin, James F. Scholl

Proceedings Volume 1409, Nonlinear Optics II; (1991) https://doi.org/10.1117/12.43577
Event: Optics, Electro-Optics, and Laser Applications in Science and Engineering, 1991, Los Angeles, CA, United States

Abstract

Polarization-resolved coherent beam combination via nondegenerate two-wave mixing have been observed in water-glycerol suspensions of shaped polytetrafluoroethylene microparticles. Experiments detect coherent energy transfer arising from two different types of moving index gratings: translational and orientational. Additionally, the dependence of the two-wave mixing gain coefficient on the frequency-difference of the beams, pump intensity, and microparticle volume fraction was measured and found to be in accord with theory. Finally, beam combination was also achieved using degenerate laser beams and moving the suspension relative to the laser interference pattern.

Citation Download Citation

Roberto Pizzoferrato, Marco De Spirito, Ugo Zammit, Massimo Marinelli, Daniel N. Rogovin, and James F. Scholl "Nondegenerate two-wave mixing in shaped microparticle suspensions", Proc. SPIE 1409, Nonlinear Optics II, (1 June 1991); https://doi.org/10.1117/12.43577

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