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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 18 — Sep. 15, 2006
  • pp: 2783–2785

Direct optical fabrication of three-dimensional photonic crystals in a high refractive index LiNbO 3 crystal

Guangyong Zhou and Min Gu  »View Author Affiliations


Optics Letters, Vol. 31, Issue 18, pp. 2783-2785 (2006)
http://dx.doi.org/10.1364/OL.31.002783


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Abstract

Direct optical fabrication of 3D photonic crystals in a high refractive index LiNbO 3 crystal by using the femtosecond laser-induced microexplosion method is investigated. The focal distortion, caused by the refractive index mismatch-induced spherical aberration, can be significantly reduced by using a so-called threshold fabrication method. As a result, 3D fcc photonic crystals are fabricated by stacking quasi-spherical voids layer by layer. Photonic stopgaps with suppression rates of up to 30% in the transmission spectra are observed. The angle dependence of the stopgaps is also revealed.

© 2006 Optical Society of America

OCIS Codes
(080.1010) Geometric optics : Aberrations (global)
(140.3390) Lasers and laser optics : Laser materials processing
(160.3730) Materials : Lithium niobate
(160.4670) Materials : Optical materials
(220.4000) Optical design and fabrication : Microstructure fabrication

ToC Category:
Optical Design and Fabrication

History
Original Manuscript: May 8, 2006
Revised Manuscript: June 27, 2006
Manuscript Accepted: July 6, 2006
Published: August 25, 2006

Citation
Guangyong Zhou and Min Gu, "Direct optical fabrication of three-dimensional photonic crystals in a high refractive index LiNbO3 crystal," Opt. Lett. 31, 2783-2785 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-18-2783

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