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Structured illumination microscopy using micro-pixellated light-emitting diodes

Poher, V. and Kennedy, G.T. and Elson, D.S. and French, P.M.W. and Neil, M.A.A. and Zhang, H.Z. and Gu, E. and Gong, Z. and Griffin, C. and Girkin, J.M. and Dawson, M.D. (2006) Structured illumination microscopy using micro-pixellated light-emitting diodes. In: Photon 06, 2006-09-04 - 2006-09-07, Manchester, UK. (Unpublished)

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Abstract

Structured illumination is a flexible and economical method of obtaining optical sectioning in wide-field microscopy [1]. In this technique the illumination system is modified to project a single-spatial frequency grid pattern onto the sample [2, 3]. The pattern can only be resolved in the focal plane and by recording images for different transverse grid positions (or phases) an image of the in-focus parts of the object can be calculated. Light emitting diodes (LEDs) are becoming increasingly popular for lighting and illumination systems due to their low cost, small dimensions, low coherence, uniform illumination, high efficiency and long lifetime. These properties, together with recent developments in high brightness, ultraviolet operation and microstructured emitter design offer great potential for LEDs as light sources for microscopy. In this paper we demonstrate a novel structured illumination microscope using a blue micro-structured light emitting diode as the illumination source. The system is potentially very compact and has no-moving-parts.

Item type: Conference or Workshop Item (Paper)
ID code: 9114
Keywords: illumination microscopy, microscopy, micro-pixellated light-emitting diode, light emitting diode, Optics. Light
Subjects: Science > Physics > Optics. Light
Department: Faculty of Science > Institute of Photonics
Depositing user: Strathprints Administrator
Date Deposited: 13 Nov 2009 11:04
Last modified: 18 Jun 2015 07:06
URI: http://strathprints.strath.ac.uk/id/eprint/9114

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