Bi-focal and negative microlens arrays in hard optical materials

Tools

Gu, E. and Choi, H.W. and Liu, C. and Watson, I.M. and Girkin, J.M. and Dawson, M.D.; (2004) Bi-focal and negative microlens arrays in hard optical materials. In: Lasers and Electro-Optics Society, 2004. LEOS 2004. IEEE, pp. 360-361. ISBN 9780780385573 (http://dx.doi.org/10.1109/LEOS.2004.1363260)

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Abstract

Using the methods of photoresist reflow and moulding, bifocal and negative microlens arrays, with diameters down to 10 μm, have been fabricated in GaN-on-sapphire. The optical properties of these microlens arrays were characterised by a recently developed reflection/transmission confocal microscopy technique and agree well with calculated values.

ORCID iDs

Gu, E. ORCID logoORCID: https://orcid.org/0000-0002-7607-9902, Choi, H.W., Liu, C., Watson, I.M. ORCID logoORCID: https://orcid.org/0000-0002-8797-3993, Girkin, J.M. and Dawson, M.D. ORCID logoORCID: https://orcid.org/0000-0002-6639-2989;
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