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Cloaking of metal contacts on solar cells

: Schumann, M.F.; Wiesendanger, S.; Goldschmidt, J.-C.; Bittkau, K.; Paetzold, U.W.; Sprafke, A.; Wehrspohn, R.B.; Rockstuhl, C.; Wegener, M.


Optical Society of America -OSA-, Washington/D.C.:
CLEO: Science and Innovations : Part of Conference on Lasers and Electro-Optics; 10 - 15 May 2015, San Jose, California, United States
Washington, DC: OSA, 2015 (OSA Technical digest series)
ISBN: 978-1-55752-968-8
Paper SW1I.6
Conference on Lasers and Electro-Optics - Science and Innovations (CLEO SI) <2015, San Jose/Calif.>
Conference Paper
Fraunhofer ISE ()

We design by transformation optics, fabricate by three-dimensional direct laser writing, and characterize experimentally polymer-based cloaks for 20 µm wide gold-wire contacts on a silicon wafer. The contact shadowing effect is reduced by 90%.