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29 September 2006 Hybrid materials for optical limiting applications
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Optical limiting materials are developed for applications in protection of optical sensors against laser aggressions. We have studied functionalised macrocycles (thiacalixarenes) and alkynylplatinum(II) derivatives for optical limiting applications. Glass materials based on alkynylplatinum(II) derivatives and macrocycles were prepared through the sol-gel process. The molecular species were grafted to the matrix in order to maximise the concentration and the stability of the final solid-state material. The glass materials were cut and polished to approximately 1.5 mm. The glass materials show broadband optical limiting in the visible wavelength region, for nanosecond laser pulses.
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Stephane Parola, Roman Zieba, Cédric Desroches, Frédéric Chaput, Eva Malmstrom, Mikael Lindgren, Bertil Eliasson, and Cesar Lopes "Hybrid materials for optical limiting applications", Proc. SPIE 6401, Optical Materials in Defence Systems Technology III, 64010D (29 September 2006);

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