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Novel polymer systems for deep UV microlens arrays

Mackintosh, A.R. and Kuehne, A.J. and Pethrick, R.A. and Guilhabert, B.J.E. and Gu, E. and Lee, C.L. and Dawson, M.D. and Heliotis, G. and Bradley, D.D.C. (2008) Novel polymer systems for deep UV microlens arrays. Journal of Physics D: Applied Physics, 41 (9). 094007. ISSN 0022-3727

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Abstract

We report for the first time a UV curable polymer with effective optical transmission below 300 nm. Through careful control of kinetics, various viscosities can be generated to optimize the film forming properties via spin coating. The transmission of the monomers and films is investigated over a spectral range which spans the 240-370 nm output of ultraviolet AlInGaN light-emitting diodes. The refractive index of the polymer has been measured by ellipsometry to give a value of 1.57 at 280 nm. Using standard lithography techniques with reactive ion etching, arrays of microlenses have been fabricated in this polymer with diameters of 30μm and below and are characterized by atomic force microscopy and confocal microscopy.

Item type: Article
ID code: 7778
Keywords: UV curable polymer, optical transmission, viscosity, spin coating, spectral range, ultraviolet, atomic force microscopy, confocal microscopy, Optics. Light, Physics, Surfaces, Coatings and Films, Acoustics and Ultrasonics, Electronic, Optical and Magnetic Materials, Condensed Matter Physics
Subjects: Science > Physics > Optics. Light
Science > Physics
Department: Faculty of Science > Institute of Photonics
Faculty of Science > Pure and Applied Chemistry
Faculty of Science > Physics
Related URLs:
Depositing user: Miss Sharon Kelly
Date Deposited: 11 Dec 2009 12:38
Last modified: 28 Mar 2014 05:07
URI: http://strathprints.strath.ac.uk/id/eprint/7778

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