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Edge filters in thermophotovoltaic applications
Dalarna University, School of Technology and Business Studies, Environmental Engineering.
Dalarna University, School of Technology and Business Studies, Environmental Engineering.
2001 (English)In: 17th European Photovoltaic Solar Energy Conference, München, Tyskland, 2001Conference paper, Published paper (Refereed) Published
Abstract [en]

In order to achieve high efficiency in a TPV generator, it is important that a high fraction of emitted photons with energies below the TPV cell bandgap are reflected back to the emitter. This can be accomplished in several ways. We present the idea of an internally reflecting egg-shaped double cone with emitter at one end, an edge filter at the wide center, and the TPV array at the other end. This geometry has so far been studied by means of both ray tracing analysis and by means of measurements with a simulated emitter. A sharp switchover from transmission to reflection in a multiple layer dielectric filter can be achieved only if the angles of the incident rays are confined to a fairly narrow interval. The two methods both show thet the studied optics can lower the angular spread of rays incident onto the filter and that some 96% of the emitted rays (in the ideal case) reach their goal without passing the filter more than once.

Place, publisher, year, edition, pages
München, Tyskland, 2001.
Keywords [en]
solenergi, PV, TPV, optik
Identifiers
URN: urn:nbn:se:du-1124OAI: oai:dalea.du.se:1124DiVA, id: diva2:521435
Conference
17th European Photovoltaic Solar Energy Conference, München, Tyskland, 22-26 oktober, 2001
Available from: 2005-05-19 Created: 2005-05-19 Last updated: 2012-04-24Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • ieee
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  • vancouver
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Language
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  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
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Output format
  • html
  • text
  • asciidoc
  • rtf