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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 4 — Feb. 16, 2009
  • pp: 2143–2148

Shrinkage of microstructures produced by two-photon polymerization of Zr-based hybrid photosensitive materials

Aleksandr Ovsianikov, Xiao Shizhou, Maria Farsari, Maria Vamvakaki, Costas Fotakis, and Boris N. Chichkov  »View Author Affiliations

Optics Express, Vol. 17, Issue 4, pp. 2143-2148 (2009)

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An investigation of the shrinking behaviour of a zirconium-based sol-gel composite micro-structured by two-photon polymerization is presented and a simple, straightforward methodology allowing the evaluation of shrinkage is suggested. It is shown that volume reduction is directly related to the average laser power (irradiation dose) used for the microfabrication and becomes a critical issue near the polymerization threshold. It is demonstrated that this shrinkage can be employed beneficially to improve the structural resolution. This is demonstrated by the presence of stopbands in the photonic crystal nanostructures fabricated with controlled volume reduction. Well above the polymerization threshold, the studied material exhibits remarkably low shrinkage. Therefore, no additional effort for the pre-compensation of distortion and for the improvement of structural stability is required.

© 2009 Optical Society of America

OCIS Codes
(160.6060) Materials : Solgel
(350.3850) Other areas of optics : Materials processing
(050.5298) Diffraction and gratings : Photonic crystals
(160.5335) Materials : Photosensitive materials

ToC Category:

Original Manuscript: November 4, 2008
Revised Manuscript: January 23, 2009
Manuscript Accepted: January 25, 2009
Published: February 2, 2009

Aleksandr Ovsianikov, Xiao Shizhou, Maria Farsari, Maria Vamvakaki, Costas Fotakis, and Boris N. Chichkov, "Shrinkage of microstructures produced by two-photon polymerization of Zr-based hybrid photosensitive materials," Opt. Express 17, 2143-2148 (2009)

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