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Please use this identifier to cite or link to this item: https://dspace.lboro.ac.uk/2134/28372

Title: A simple optical setup for current mapping of small area PV devices using different sampling strategies
Authors: Koutsourakis, George
Hall, Simon R.G.
Bliss, Martin
Betts, Thomas R.
Gottschalg, Ralph
Issue Date: 2017
Publisher: © The Solar Energy Society
Citation: KOUTSOURAKIS, G. ...et al., 2017. A simple optical setup for current mapping of small area PV devices using different sampling strategies. Presented at the 13th Photovoltaic Science, Application and Technology Conference, (PVSAT-13), Bangor University, 5-7th April.
Abstract: An optical setup for current mapping of photovoltaic devices is presented. It is based on a digital micro-mirror device (DMD) and a small number of additional optical elements making the implementation simple and cost effective. The specific properties of the DMD chip enable the application of two different sampling methods; point by point sampling and compressive sampling. Both sampling strategies are compared and cases when each one of them performs better are investigated. It is shown that compressive sampling can significantly enhance weak current signals and provide current maps in the cases when the point by point current signal is below the noise threshold.
Description: This is a conference paper.
Sponsor: This work was funded by the CASE awards of EPSRC and through the European Metrology Research Programme (EMRP) Project ENG55 PhotoClass, which is jointly funded by the EMRP participating countries within EURAMET and the European Union.
Version: Accepted for publication
URI: https://dspace.lboro.ac.uk/2134/28372
Publisher Link: http://www.uk-ises.org/
Appears in Collections:Conference Papers and Presentations (Mechanical, Electrical and Manufacturing Engineering)

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