Three-dimensional direct writing of novel sol-gel composites for photonics applications
by M. Farsari, I. Sakellari, D. Gray, M. Vamvakaki, C. Fotakis, A. Ovsianikov, B.N. Chichkov
International Journal of Nanomanufacturing (IJNM), Vol. 6, No. 1/2/3/4, 2010

Abstract: Two-photon polymerisation of photosensitive materials has emerged as a very promising technique for the fabrication of photonic crystals and devices. In this paper we present our investigations into the structuring by two-photon polymerisation of a new class of photosensitive sol-gel composites exhibiting ultra-low shrinkage. We particularly focus on two composites, the first containing a zirconium alkoxide and the second a nonlinear optical molecule. The three-dimensional photonic crystal structures fabricated using these materials demonstrate high resolution and clear band- stops in the near IR region.

Online publication date: Sun, 22-Aug-2010

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