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Proceedings Paper

Photocrosslinkable conducting polymers as nonlinear optical materials
Author(s): Lian Li; Kethinni G. Chittibabu; Jayant Kumar; Sukant K. Tripathy
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Paper Abstract

A novel solution processable, electrically conducting and photocrosslinkable second order nonlinear optical (NLO) polymer was synthesized and investigated. Cinnamoylated thiophene derivative -- poly [3-octylthiophene-co-4-(N-3 thenyl) amino 2-nitro phenol] shows second order NLO activity upon poling. This conducting polymer, when doped with an NLO chromophore, 3-cinnamoyloxy-4-[4-(N,N-diethylamino)-2-cinnamoyloxy phenylazo] nitrobenzene and poled, exhibits greatly enhanced second order optical nonlinearity. The second order NLO coefficient -- d33 of the dye doped polymer was measured to be 18.6 pm/V at 1.064 micrometers and 3.3 pm/V at 1.542 micrometers by the second harmonic generation technique. The NLO properties of the poled and photocrosslinked polymer samples are stable at room temperature. The combination of conductivity and optical nonlinearity in this type of polymeric materials may lead to new photovoltaic and photorefractive applications.

Paper Details

Date Published: 20 January 1994
PDF: 8 pages
Proc. SPIE 2042, Photopolymers and Applications in Holography, Optical Data Storage, Optical Sensors, and Interconnects, (20 January 1994); doi: 10.1117/12.166316
Show Author Affiliations
Lian Li, Univ. of Massachusetts/Lowell (United States)
Kethinni G. Chittibabu, Univ. of Massachusetts/Lowell (United States)
Jayant Kumar, Univ. of Massachusetts/Lowell (United States)
Sukant K. Tripathy, Univ. of Massachusetts/Lowell (United States)

Published in SPIE Proceedings Vol. 2042:
Photopolymers and Applications in Holography, Optical Data Storage, Optical Sensors, and Interconnects
Roger A. Lessard, Editor(s)

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