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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 2, Iss. 11 — Nov. 26, 2007

Parallel photopolymerisation with complex light patterns generated by diffractive optical elements

Lóránd Kelemen, Sándor Valkai, and Pál Ormos  »View Author Affiliations


Optics Express, Vol. 15, Issue 22, pp. 14488-14497 (2007)
http://dx.doi.org/10.1364/OE.15.014488


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Abstract

Photopolymerisation by scanning a focused laser beam is a powerful method to build structures of arbitrary complexity with submicrometer resolution. We introduce parallel photopolymerisation to enhance the efficiency. Instead of multidimensional scanning of a single focus, the structure is generated simultaneously with diffractive patterns. We used fixed diffractive optical elements (DOEs), kinoforms, and Spatial Light Modulators (SLMs). The possibilities of photopolymerisation using SLM were investigated: the added flexibility using the programmable device is demonstrated. By using these DOEs, straight and helical cross shaped columns were produced with a single scan at a rate about an order of magnitude faster than by simple scanning. The produced helical structures could be rotated by optical tweezers.

© 2007 Optical Society of America

OCIS Codes
(050.1970) Diffraction and gratings : Diffractive optics
(140.3390) Lasers and laser optics : Laser materials processing
(140.7010) Lasers and laser optics : Laser trapping
(160.5470) Materials : Polymers
(190.4180) Nonlinear optics : Multiphoton processes
(220.4000) Optical design and fabrication : Microstructure fabrication

ToC Category:
Diffraction and Gratings

History
Original Manuscript: July 6, 2007
Revised Manuscript: September 21, 2007
Manuscript Accepted: October 3, 2007
Published: October 19, 2007

Virtual Issues
Vol. 2, Iss. 11 Virtual Journal for Biomedical Optics

Citation
Lóránd Kelemen, Sándor Valkai, and Pál Ormos, "Parallel photopolymerisation with complex light patterns generated by diffractive optical elements," Opt. Express 15, 14488-14497 (2007)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=oe-15-22-14488


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