Cross-correlation analysis of dispersive spectrum splitting techniques for photovoltaic systems

Juan Manuel Russo, Shelby Vorndran, Yuechen Wu, Raymond K. Kostuk

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

There has been a significant interest in spectrum splitting techniques to increase the overall efficiency of photovoltaic solar energy systems. In spectrum splitting, an optical system is used to spectrally separate the incident sunlight. Although systems with different methods and geometries have been proposed, they can generally be classified as either dispersive or nondispersive. Nondispersive systems are based on reflective spectral filters that have minimum optical losses due to dispersion. Dispersive systems use optical elements that spatially separate light as a function of wavelength. This class of spectrum system typically operates in transmission and is shown to have an inherent optical loss. The dispersive effects of transmission type filters are evaluated using a cross-correlation analysis. The results of the analysis are then used to evaluate different spectrum splitting geometries and to determine parameters that minimize their dispersion losses and optimize optical designs.

Original languageEnglish (US)
Article number2089155
JournalJournal of Photonics for Energy
Volume5
Issue number1
DOIs
StatePublished - Jan 1 2015

Keywords

  • cross-correlation
  • dispersion
  • photovoltaics
  • spectrum splitting

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Renewable Energy, Sustainability and the Environment

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