Holographic cure monitoring of the DuPont Somos 7100 stereolithography resin |
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| Authors: | M. Farsari S. Huang R. C. D. Young M. I. Heywood C. D. Bradfield C. R. Chatwin |
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| Affiliation: | School of Engineering, University of Sussex, Falmer, Brighton BN1 9QT, UK |
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| Abstract: | The optical characteristics of a commercial UV curable resin are investigated using non-degenerate four-wave mixing. The material assessed is an epoxy resin, DuPont SomosTM 7100. The holographic gratings were written at a wavelength of λ=351.1 nm for an irradiance range 0.5–3.0 W/cm2 and read at λ=632.8 nm in order to assess the reactivity, curing speed, shrinkage and resolution of the resin. |
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