Ultra-compact high flux tailored edge-ray space microconcentrators

Christian J. Ruud, Jeffrey M. Gordon, Robert McCarthy, Brent Fisher, Noel C. Giebink

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

4 Scopus citations

Abstract

Microcell concentrating photovoltaics are being explored for space photovoltaic power due to their compact, monolithic design and potential to both reduce III-V cost and improve performance. This paper introduces a new ultra-compact and high flux microcell concentrator design. Ray tracing results validate the analytical construction and a proof-of-concept prototype measured with a 600 micron square GaAs microcell yields a concentration ratio of 90 with an acceptance half-angle of 5 degrees. These results lay the groundwork for ultra-thin (under 1 mm), high concentration ratio (CR > 100) microconcentrators with sizable optical tolerance for space.

Original languageEnglish
Title of host publication2021 IEEE 48th Photovoltaic Specialists Conference, PVSC 2021
PublisherInstitute of Electrical and Electronics Engineers
Pages1289-1292
Number of pages4
ISBN (Electronic)9781665419222
DOIs
StatePublished - 20 Jun 2021
Event48th IEEE Photovoltaic Specialists Conference, PVSC 2021 - Fort Lauderdale, United States
Duration: 20 Jun 202125 Jun 2021

Publication series

NameConference Record of the IEEE Photovoltaic Specialists Conference
ISSN (Print)0160-8371

Conference

Conference48th IEEE Photovoltaic Specialists Conference, PVSC 2021
Country/TerritoryUnited States
CityFort Lauderdale
Period20/06/2125/06/21

Keywords

  • III-V
  • concentrating photovoltaics
  • microcell
  • solar energy
  • space solar array

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering

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