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 | Nanotech 2007 Vol. 1
Technical Proceedings of the 2007 NSTI Nanotechnology Conference and Trade Show, Volume 1
Chapter 5: Nanostructured Materials and Devices |
| | Light Induced Self-Inscription (LISI) in Organo-silica Network Glasses and Nanocomposite Polymers | | Authors: | M.P. Andrews, N. Belanger, M.-P. Manseau, N. Duxin, E. Maron and J. Lofgreen and F.C.J.M. van Veggel | | Affilation: | McGill University, CA | | Pages: | 402 - 406 | | Keywords: | self writing, self action, rare earth nanoparticles, nanocomposite waveguides | | Abstract: | This talk focuses on two classes of nanocomposite media that exhibit Light Induced Self Inscription. We describe LISI in sol-gel derived photosensitive glasses containing nanodispersions of zirconia, titania and noble metal nanoparticles. Waveguiding at 488 nm proceeds with simultaneous self-inscription, and permanently inscribed nanocomposite waveguides can be revealed by wet etching. Under certain conditions, self inscription becomes chaotic, and filamentation is observed. In other cases, periodic beat patterns can be imaged. A counterpropagating beam set-up allows simple optical devices like crosses and y-junctions to be created. Soliton-like behavior is exhibited at low laser power where couterpropagating self inscribed beams undergo mutual trapping. The second class of materials consists of low loss organic polymer media for polymer containing Er3+ ions doped in LaX3 nanoparticles, where X is a halide. These compositions appear to have good potential for fabricating nanocomposite rare earth doped waveguide amplifiers, and our findings with respect to their use as optical gain media will be discussed. | | ISBN: | 1-4200-6182-8 |
| Pages: | 726 |
| Hardcopy: | $199.99 |
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