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Optical Engineering

Optical assembly of microsnap-fits fabricated by two-photon polymerization
Author(s): Jannis Köhler; Yunus Kutlu; Gordon Zyla; Sarah I. Ksouri; Cemal Esen; Evgeny L. Gurevich; Andreas Ostendorf
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Paper Abstract

To respond to current demands of nano- and microtechnologies, e.g., miniaturization and integration, different bottom-up strategies have been developed. These strategies are based on picking, placing, and assembly of multiple components to produce microsystems with desired features. This paper covers the fabrication of arbitrary-shaped microcomponents by two-photon polymerization and the trapping, moving, and aligning of these structures by the use of a holographic optical tweezer. The main focus is on the assembly technique based on a cantilever microsnap-fit. More precisely, mechanical properties are characterized by optical forces and a suitable geometry of the snap-fit is designed. As a result of these investigations, a fast and simple assembly technique is developed. Furthermore, disassembly is provided by an optimized design. These findings suggest that the microsnap-fit is suitable for the assembly of miniaturized systems and could broaden the application opportunities of bottom-up strategies.

Paper Details

Date Published: 31 October 2017
PDF: 7 pages
Opt. Eng. 56(10) 105105 doi: 10.1117/1.OE.56.10.105105
Published in: Optical Engineering Volume 56, Issue 10
Show Author Affiliations
Jannis Köhler, Ruhr-Univ. Bochum (Germany)
Yunus Kutlu, Ruhr-Univ. Bochum (Germany)
Gordon Zyla, Ruhr-Univ. Bochum (Germany)
Sarah I. Ksouri, Ruhr-Univ. Bochum (Germany)
Cemal Esen, Ruhr-Univ. Bochum (Germany)
Evgeny L. Gurevich, Ruhr-Univ. Bochum (Germany)
Andreas Ostendorf, Ruhr-Univ. Bochum (Germany)

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