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7 December 2001 Design and synthesis of new acceptor molecules for photoinduced electron transfer reverse saturable absorption
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Abstract
With the advent of efficient and relatively inexpensive pulsed and CW laser systems for both civilian and military applications, the need for adequate eye and sensor protection is becoming increasingly important. While it is possible to filter out harmful wavelengths if the laser frequency is known, the proliferation of frequency agile laser sources underscores the need for smart passive materials that can sense the incident wavelength and provide protection. There has been considerable progress made in recent years in the design of optical power limiting (OPL) materials that can function by a variety of mechanisms, most of which derive their limiting behavior from some type of nonlinear absorption cross-sections of the photo-generated transient species are much greater than the original S0 to S1 transition. In this presentation we will discuss the efficacy of charge transfer species for optical limiting, and the need for more and better electron acceptor species.
© (2001) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Mamoun M. Bader, Taiala Carvalho, Hu Li, Scott Tarter, and Charles W. Spangler "Design and synthesis of new acceptor molecules for photoinduced electron transfer reverse saturable absorption", Proc. SPIE 4461, Linear and Nonlinear Optics of Organic Materials, (7 December 2001); https://doi.org/10.1117/12.449843
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