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New Photopolymers Based on Two-Photon Absorbing Chromophores and Application to Three-Dimensional Microfabrication and Optical Storage

Published online by Cambridge University Press:  10 February 2011

B. H. Cumpston ,
J. E. Ehrlich ,
L. L. Erskin ,
A. A. Heikalt ,
Z.-Y. Hu ,
I.-Y. S. Leet ,
M. D. Levin ,
S. R. Marder ,
D. J. McCord  and
J. W. Perry
...Show all authors
B. H. Cumpston
Affiliation:
Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 Beckman Institute, California Institute of Technology, Pasadena, CA 91125
J. E. Ehrlich
Affiliation:
Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109
L. L. Erskin
Affiliation:
Beckman Institute, California Institute of Technology, Pasadena, CA 91125
A. A. Heikalt
Affiliation:
Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 Beckman Institute, California Institute of Technology, Pasadena, CA 91125
Z.-Y. Hu
Affiliation:
Beckman Institute, California Institute of Technology, Pasadena, CA 91125
I.-Y. S. Leet
Affiliation:
Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 Beckman Institute, California Institute of Technology, Pasadena, CA 91125
M. D. Levin
Affiliation:
Beckman Institute, California Institute of Technology, Pasadena, CA 91125
S. R. Marder
Affiliation:
Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 Beckman Institute, California Institute of Technology, Pasadena, CA 91125
D. J. McCord
Affiliation:
Beckman Institute, California Institute of Technology, Pasadena, CA 91125
J. W. Perry
Affiliation:
Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 Beckman Institute, California Institute of Technology, Pasadena, CA 91125
H. Röckel
Affiliation:
Beckman Institute, California Institute of Technology, Pasadena, CA 91125
M. Rumi
Affiliation:
Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 Beckman Institute, California Institute of Technology, Pasadena, CA 91125
X.-L. Wu
Affiliation:
Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 Beckman Institute, California Institute of Technology, Pasadena, CA 91125
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Abstract

Molecules exhibiting strong two-photon absorption hold great potential for a wide range of applications including two-photon fluorescence imaging, three-dimensional (3D) optical data storage, and 3D microfabrication. We have observed two-photon absorptivities as high as 1500×10− 50 cm4 s/photon in bis-donor diphenylpolyene derivatives that are correlated to simultaneous charge transfer from the end groups to the polyene bridge in the molecule. Many of these molecules are also excellent photoexcitable electron donors that can initiate charge-transfer reactions with acrylate monomers. Marcus theory is used to describe the efficiency of these charge-transfer reactions. Polymerization rates have also been measured and we show that these twophoton chromophores display increased sensitivity and recording speed over conventional UV photo-initiators. The fabrication of complex, three-dimensional structures by twophoton polymerization is demonstrated and discussed in the context of advanced photonic applications.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 488: Symposium J – Electrical, Optical & Magnetic Properties of Organic IV , 1997 , 217
Copyright
Copyright © Materials Research Society 1998

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