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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 23 — Nov. 7, 2011
  • pp: 22786–22796

Laser fabrication of Au nanorod aggregates microstructures assisted by two-photon polymerization

Kyoko Masui, Satoru Shoji, Kenji Asaba, Thomas C. Rodgers, Feng Jin, Xuan-Ming Duan, and Satoshi Kawata  »View Author Affiliations

Optics Express, Vol. 19, Issue 23, pp. 22786-22796 (2011)

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We demonstrate fabrication of Au nanorod aggregates microstructures by means of a femtosecond near-infrared laser. The laser light was tightly focused into colloidal Au nanorods dispersed in photopolymerizable metyl-methacrylate (MMA) compound to induce two-photon polymerization (TPP). TPP of MMA glued the nanorods together to form solid microstrucures of aggregates. The laser light excited a local surface plasmon, resulting in confinement of TPP in the vicinity of nanorods. Concurrenly occurring optical accumulation of nanorods created a unique mechanism for the formation of nanorod aggregates into desired microstructures. This technique would be a clue for a novel micro/nanofabrication method for plasmonic materials and devices.

© 2011 OSA

OCIS Codes
(160.3900) Materials : Metals
(160.5470) Materials : Polymers
(190.4180) Nonlinear optics : Multiphoton processes
(220.4000) Optical design and fabrication : Microstructure fabrication
(350.4238) Other areas of optics : Nanophotonics and photonic crystals
(250.5403) Optoelectronics : Plasmonics

ToC Category:
Laser Microfabrication

Original Manuscript: July 29, 2011
Revised Manuscript: August 25, 2011
Manuscript Accepted: August 25, 2011
Published: October 26, 2011

Kyoko Masui, Satoru Shoji, Kenji Asaba, Thomas C. Rodgers, Feng Jin, Xuan-Ming Duan, and Satoshi Kawata, "Laser fabrication of Au nanorod aggregates microstructures assisted by two-photon polymerization," Opt. Express 19, 22786-22796 (2011)

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