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. 1992 Feb 15;17(4):264-6.
doi: 10.1364/ol.17.000264.

Third-order optical nonlinearities of metallotetrabenzoporphyrins and a platinum poly-yne

S Guha, K Kang, P Porter, J F Roach, D E Remy, F J Aranda, D V Rao

Third-order optical nonlinearities of metallotetrabenzoporphyrins and a platinum poly-yne

S Guha et al. Opt Lett. .

Abstract

The third-order optical nonlinearities of two metallotetrabenzoporphyrins and a platinum poly-yne dissolved in tetrahydrofuran were measured by using picosecond and nanosecond laser pulses. The pulse-width-dependent measurements indicated that excited-state absorption was present in both classes of material along with non-resonant two-photon absorption.

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