Evidence of multipolar response of Bacteriorhodopsin by noncollinear second harmonic generation.
Noncollinear second harmonic generation from a Bacteriorhodopsin (BR) oriented multilayer film was systematically investigated by varying the polarization state of both fundamental beams. Both experimental results and theoretical simulations, show that the resulting polarization mapping is an useful tool to put in evidence the optical chirality of the investigated film as well as the corresponding multipolar contributions to the nonlinear.
Quantum Optics Lab., Selex-SI Via Puccini 2 Genova, Italy. fbovino@selex-si.com
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Bovino
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Gergely
D001436:Bacteriorhodopsins / Q000737:chemistry* / Q000648:ultrastructure*; D003198:Computer Simulation; D008027:Light; D008567:Membranes, Artificial; D008954:Models, Biological; D008956:Models, Chemical; D017711:Nonlinear Dynamics; D012031:Refractometry; D012542:Scattering, Radiation
D008567:Membranes, Artificial; D001436:Bacteriorhodopsins