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Proceedings Article

Micromanipulation and microfabrication for optical microrobotics

[+] Author Affiliations
Darwin Palima, Andrew Rafael Bañas, Thomas Aabo, Jesper Glückstad

Technical Univ. of Denmark (Denmark)

Gaszton Vizsnyiczai, Lóránd Kelemen, Pál Ormos

Biological Research Ctr. (Hungary)

Proc. SPIE 8458, Optical Trapping and Optical Micromanipulation IX, 84581V (October 9, 2012); doi:10.1117/12.945928
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From Conference Volume 8458

  • Optical Trapping and Optical Micromanipulation IX
  • Kishan Dholakia; Gabriel C. Spalding
  • San Diego, California, USA | August 12, 2012

abstract

Robotics can use optics feedback in vision-based control of intelligent robotic guidance systems. With light’s miniscule momentum, shrinking robots down to the microscale regime creates opportunities for exploiting optical forces and torques in microrobotic actuation and control. Indeed, the literature on optical trapping and micromanipulation attests to the possibilities for optical microrobotics. This work presents an optical microrobotics perspective on the optical microfabrication and micromanipulation work that we performed. We designed different three-dimensional microstructures and fabricated them by two-photon polymerization. These microstructures were then handled using our biophotonics workstation (BWS) for proof-of-principle demonstrations of optical actuation, akin to 6DOF actuation of robotic micromanipulators. Furthermore, we also show an example of dynamic behavior of the trapped microstructure that can be achieved when using static traps in the BWS. This can be generalized, in the future, towards a structural shaping optimization strategy for optimally controlling microstructures to complement approaches based on lightshaping. We also show that light channeled to microfabricated, free-standing waveguides can be used not only to redirect light for targeted delivery of optical energy but can also for targeted delivery of optical force, which can serve to further extend the manipulation arms in optical robotics. Moreover, light deflection with waveguide also creates a recoil force on the waveguide, which can be exploited for controlling the optical force. © (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Darwin Palima ; Andrew Rafael Bañas ; Gaszton Vizsnyiczai ; Lóránd Kelemen ; Thomas Aabo, et al.
" Micromanipulation and microfabrication for optical microrobotics ", Proc. SPIE 8458, Optical Trapping and Optical Micromanipulation IX, 84581V (October 9, 2012); doi:10.1117/12.945928; http://dx.doi.org/10.1117/12.945928


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