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Two-photon polymerization of an Eosin Y-sensitized acrylate composite

Paper ID Volume ID Publish Year Pages File Format Full-Text
29127 44122 2006 4 PDF Available
Title
Two-photon polymerization of an Eosin Y-sensitized acrylate composite
Abstract

We report two-photon polymerization of an acrylate composite using a femtosecond laser at 1028 nm. The composite consists of an acrylate monomer, a free-radical co-initiator and a photo-sensitizer. The material is transparent to infrared laser radiation and absorbs strongly in the visible. By scanning the tightly focused laser beam, we employ two-photon absorption to polymerize and selectively solidify the material.Two photo-polymerization of organic composites permits the construction of complex-shaped three-dimensional structures of sub-micron resolution. Due to their versatile optical and chemical properties and the ability to mix them with active molecules, the materials described in this work are particularly useful for a variety of applications such as photonic devices, actuators and micro-fluidic devices. In addition, as both the single photon and the two-photon wavelengths are not in the ultraviolet part of the spectrum, this technique is particularly promising for incorporation into the photo-polymer of active molecules that are sensitive to UV radiation.

Keywords
Two-photon polymerization; Eosin Y; Acrylate monomer
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 181, Issue 1, 5 July 2006, Pages 132–135
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
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Don't Miss Today's Special Offer
Price was $35.95
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