Identification and synthesis of nonlinear optical materials for practical applications

Details Identification and synthesis of nonlinear optical materials for practical applications Identification and synthesis of nonlinear optical materials for practical applications

Oct 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000spie.4134....6c&link_type=abstract

Proc. SPIE Vol. 4134, p. 6-15, Photonics for Space Environments VII, Edward W. Taylor; Ed.

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Organic materials for optical applications have received considerably attention in recent years. A particularly large effort has been placed on organic materials for nonlinear optical applications. Organic materials are of special interest because they have the potential to provide unusually large nonlinear optical effects compared to inorganic materials and they can be designed by molecular modeling techniques. We currently know much about the type of materials that make good NLO materials, but useful materials for optical components have been difficult to find because of light absorption at the wavelengths of interest, symmetric crystal formation, and poor physical properties. For long term space applications, an additional concern is the need for the materials to withstand ionizing radiation. The net effect is that most of the materials that are synthesized are not generally useful. We have involved molecular modeling techniques (quantum mechanics and molecular mechanics) as well as crystal engineering in order to reduce the number of materials that must be synthesized. We have had good success with molecular modeling techniques, but crystal modeling methods still need improvement. In our synthetic work we have put a great deal of emphasis on compounds related to dicyanovinylbenzene because of their processability.

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