Two-photon absorption spectrum of a side-chain polymer

Myoungsik Cha; William E. Torruellas; George I. Stegeman; Guus R. Möhlmann; Guus R. Möhlmann; Winfried H. G. Horsthuis; Winfried H. G. Horsthuis

International Quantum Electronics Conference
OSA Technical Digest (Optica Publishing Group, 1994),
paper QTuK5

Two-photon absorption spectrum of a side-chain polymer

Myoungsik Cha, William E. Torruellas, George I. Stegeman, Guus R. Möhlmann, and Winfried H. G. Horsthuis

International Quantum Electronics Conference 1994

Anaheim, California United States
8–13 May 1994
ISBN: 1-55752-342-8

From the session
Third-Order Processes In Organic Materials (QTuK)

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M. Cha, W. E. Torruellas, G. I. Stegeman, G. R. Möhlmann, and W. H. G. Horsthuis, "Two-photon absorption spectrum of a side-chain polymer," in International Quantum Electronics Conference, J. Shah, C. Weiman, R. Freman, and J. Fujimoto, eds., Vol. 9 of OSA Technical Digest (Optica Publishing Group, 1994), paper QTuK5.

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Abstract

Polymers with attached side-chains groups like DANS (4-dialkylamino-4′-nitrostil-bene) are used in electro-optic applications and have potential for efficient second harmonic generation. It has also been shown that they have interesting third order nonlinearities.² Therefore it is important to understand the physics of effects such as two-photon absorption which can lead to excessive high power losses, as well as structural changes in the material due to photobleaching.¹

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