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Energy Express

Energy Express

  • Editor: Bernard Kippelen
  • Vol. 18, Iss. S4 — Nov. 8, 2010
  • pp: A499–A505

Two-dimensional angular transmission characterization of CPV modules

R. Herrero, C. Domínguez, S. Askins, I Antón, and G. Sala  »View Author Affiliations

Optics Express, Vol. 18, Issue S4, pp. A499-A505 (2010)

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This paper proposes a fast method to characterize the two-dimensional angular transmission function of a concentrator photovoltaic (CPV) system. The so-called inverse method, which has been used in the past for the characterization of small optical components, has been adapted to large-area CPV modules. In the inverse method, the receiver cell is forward biased to produce a Lambertian light emission, which reveals the reverse optical path of the optics. Using a large-area collimator mirror, the light beam exiting the optics is projected on a Lambertian screen to create a spatially resolved image of the angular transmission function. An image is then obtained using a CCD camera. To validate this method, the angular transmission functions of a real CPV module have been measured by both direct illumination (flash CPV simulator and sunlight) and the inverse method, and the comparison shows good agreement.

© 2010 OSA

OCIS Codes
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(350.6050) Other areas of optics : Solar energy

ToC Category:
Solar Concentrators

Original Manuscript: June 24, 2010
Revised Manuscript: August 16, 2010
Manuscript Accepted: August 18, 2010
Published: September 14, 2010

R. Herrero, C. Domínguez, S. Askins, I Antón, and G. Sala, "Two-dimensional angular transmission characterization of CPV modules," Opt. Express 18, A499-A505 (2010)

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