期刊
OPTICS EXPRESS
卷 24, 期 12, 页码 13687-13701出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.24.013687
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资金
- National Science Foundation division of Civil, Mechanical and Manufacturing innovation [CMMI 1068510, 1129613]
- Nebraska Center for Energy Research (NCESR)
- Directorate For Engineering
- Div Of Civil, Mechanical, & Manufact Inn [1129613] Funding Source: National Science Foundation
- Office of Integrative Activities
- Office Of The Director [1430519, 1430493] Funding Source: National Science Foundation
Microfabrication by two-photon polymerization is investigated using resins based on thiol-ene chemistry. In particular, resins containing different amounts of a tetrafunctional acrylic monomer and a tetrafunctional thiol molecule are used to create complex microstructures. We observe the enhancement of several characteristics of two-photon polymerization when using thiol-acrylic resins. Specifically, microfabrication is carried out using higher writing velocities and it produces stronger polymeric microstructures. Furthermore, the amount of shrinkage typically observed in the production of three-dimensional microstructures is reduced also. By means of microspectrometry, we confirm that the thiol-acrylate mixture in TPP resins promote monomer conversion inducing a higher degree of crosslinked network formation. (C) 2016 Optical Society of America
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