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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 29, Iss. 19 — Oct. 1, 2004
  • pp: 2240–2242

Use of ultrafast-laser-driven microexplosion for fabricating three-dimensional void-based diamond-lattice photonic crystals in a solid polymer material

Guangyong Zhou, Michael James Ventura, Michael Ross Vanner, and Min Gu  »View Author Affiliations


Optics Letters, Vol. 29, Issue 19, pp. 2240-2242 (2004)
http://dx.doi.org/10.1364/OL.29.002240


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Abstract

Micro-sized void spheres are successfully generated in a solid polymer by use of a tightly focused femtosecond laser beam from a high-repetition-rate laser oscillator. Confocal reflection images show that the void spheres are longitudinal rotational symmetric ellipsoids with a ratio of long to short axes of approximately 1.5. Layers of void spheres are then stacked to create three-dimensional diamond-lattice photonic crystals. Three gaps are observed in the [100] direction with a suppression rate of the second gap of up to approximately 75% for a 32-layer structure. The observed first- and second-order gaps shift to longer and shorter wavelengths, respectively, as the angle of incidence increases.

© 2004 Optical Society of America

OCIS Codes
(140.7090) Lasers and laser optics : Ultrafast lasers
(160.4760) Materials : Optical properties
(160.5470) Materials : Polymers
(220.4000) Optical design and fabrication : Microstructure fabrication
(300.6340) Spectroscopy : Spectroscopy, infrared

Citation
Guangyong Zhou, Michael James Ventura, Michael Ross Vanner, and Min Gu, "Use of ultrafast-laser-driven microexplosion for fabricating three-dimensional void-based diamond-lattice photonic crystals in a solid polymer material," Opt. Lett. 29, 2240-2242 (2004)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-29-19-2240

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