Modeling of light propagation in turbid media by means of microwaves

Nicolay N. Korotaev; Igor L. Volkhin

doi:10.1117/12.422160

18 December 2000 Modeling of light propagation in turbid media by means of microwaves

Nicolay N. Korotaev, Igor L. Volkhin

Proceedings Volume 4111, Terahertz and Gigahertz Electronics and Photonics II; (2000) https://doi.org/10.1117/12.422160
Event: International Symposium on Optical Science and Technology, 2000, San Diego, CA, United States

Abstract

A molecular engineering strategy, based on the role of the charge transfer conjugated system, and of donor substituents on theoretical linear and two-photon absorption (TPA), is developed. The best trade-off TPA-linear absorption is fulfilled by two tetraphenyl-diamine derivatives (biphenyl and fluorene), which could allow, if mixed, to cover efficiently the visible range. Furthermore, the theoretical study of two-photon absorption (TPA) properties of polyphenyls (with the number of benzene monomer units n = 1 to 6) is related to cooperative effects between monomers. These effects lead to an increase of the TPA cross-section with n without satuaration according to a power law.

Citation Download Citation

Nicolay N. Korotaev and Igor L. Volkhin "Modeling of light propagation in turbid media by means of microwaves", Proc. SPIE 4111, Terahertz and Gigahertz Electronics and Photonics II, (18 December 2000); https://doi.org/10.1117/12.422160

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