Multimaterial manufacture through combining optical tweezers with multiphoton fabrication

M. Askari*, C. J. Tuck, Q. Hu, R. J.M. Hague, R. D. Wildman

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


Multi-Photon Polymerization (MPP) is a technique used to fabricate complex micro-scale 3D structures using ultra-short laser pulses. Typically, MPP is used to manufacture micron-scale components in photopolymer materials. However, the development of micron scale processes that can produce components from multiple materials within a single manufacturing step would be advantageous. This would allow the inclusion of particles that are manipulated and embedded within structures with sub-micron feature sizes. To achieve this, an MPP system was combined with an optical trapping (OT) setup in order to independently manipulate microparticles in the x, y and z planes. Particles were transported into the fabrication site using the OT and encapsulated using the MPP laser. Here it is shown that combining the OT capabilities with an additive manufacturing technique enables the production of complex multi-material artifacts.

Original languageEnglish
Pages (from-to)80-87
Number of pages8
JournalJournal of Laser Micro Nanoengineering
Issue number1
Publication statusPublished - 1 Apr 2019


  • 3D printing
  • Additive manufacturing
  • Direct laser writing
  • Hybrid structures
  • Multi-photon polymerization
  • Optical trapping
  • Optical tweezers
  • Two-photon polymerization


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