Fabrication of reflective holographic gratings with polyurethane acrylate (PUA) |
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| Affiliation: | 1. micro resist technology GmbH, Köpenicker Str. 325, 12555, Berlin, Germany;2. Max Planck Institute for the Science of Light, Staudtstraße 7 B2, 91058 Erlangen, Germany;3. Paul Scherrer Institute, 5232 Villigen, Switzerland |
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| Abstract: | The effects of prepolymer molecular structure were studied in terms of reflection efficiency, polymer grating shrinkage and electro-optic property. Especially, efforts have been made to quantify holographic grating shrinkage during fabrication by modifying the chemical structure of segmented polyurethane acrylates. |
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