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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry M. Van Driel
  • Vol. 24, Iss. 9 — Sep. 1, 2007
  • pp: 2090–2096

Laser direct writing of volume modified Fresnel zone plates

Pornsak Srisungsitthisunti, Okan K. Ersoy, and Xianfan Xu  »View Author Affiliations


JOSA B, Vol. 24, Issue 9, pp. 2090-2096 (2007)
http://dx.doi.org/10.1364/JOSAB.24.002090


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Abstract

Volume zone plates consisting of a number of Fresnel zone plate layers are designed and fabricated inside a fused silica by the femtosecond laser direct writing method. Light diffracted from different layers of a volume zone plate constructively interfere at the focal spot to increase diffraction efficiency. The technique is experimentally verified to be effective for both low-numerical-aperture (NA) and high-NA zone plates, resulting in a significant increase in overall diffraction efficiency. The spatial resolution of a high NA volume zone plate is 500 nm.

© 2007 Optical Society of America

OCIS Codes
(050.1970) Diffraction and gratings : Diffractive optics
(130.3120) Integrated optics : Integrated optics devices
(160.2750) Materials : Glass and other amorphous materials
(320.7110) Ultrafast optics : Ultrafast nonlinear optics

ToC Category:
Ultrafast Optics

History
Original Manuscript: March 26, 2007
Revised Manuscript: April 26, 2007
Manuscript Accepted: April 27, 2007
Published: August 3, 2007

Citation
Pornsak Srisungsitthisunti, Okan K. Ersoy, and Xianfan Xu, "Laser direct writing of volume modified Fresnel zone plates," J. Opt. Soc. Am. B 24, 2090-2096 (2007)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-24-9-2090

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