Aplanatic optics for solar concentration

Research output: Contribution to journalArticlepeer-review

44 Scopus citations


Aplanats are imaging optics that completely eliminate both spherical aberration and coma. They can fulfill the practical virtues of permitting sizable gaps between the absorber and the optic, as well as compactness. However, the ability of aplanats to efficiently approach the thermodynamic limit to flux concentration and optical tolerance had remained unrecognized. Both fundamental and applied aspects of dualmirror aplanats are reviewed and elaborated, motivated by the exigencies of tenable, maximum-performance solar concentrators, including examples from commercial concentrator photovoltaics (CPV). Promising designs for future photovoltaic concentrators are also identified, illustrating how pragmatic constraints translate into devising fundamentally new optics.

Original languageEnglish
Pages (from-to)A41-A52
JournalOptics Express
Issue number101
StatePublished - 26 Apr 2010

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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