A novel scanning lens instrument for evaluating Fresnel lens performance: Equipment development and initial results | Zendy

Rebeca Herrero | Zendy; David C. Miller | Zendy; Sarah Kurtz | Zendy; Ignacio Antón | Zendy; Gabriel Sala | Zendy

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A novel scanning lens instrument for evaluating Fresnel lens performance: Equipment development and initial results

Author(s) -

Rebeca Herrero,

David C. Miller,

Sarah Kurtz,

Ignacio Antón,

Gabriel Sala

Publication year - 2013

Publication title -

aip conference proceedings

Language(s) - English

Resource type - Conference proceedings

eISSN - 1551-7616

pISSN - 0094-243X

DOI - 10.1063/1.4822213

Subject(s) - lens (geology) , fresnel lens , optics , transmittance , optical instrument , materials science , detector , characterization (materials science) , optoelectronics , physics

A system dedicated to the optical transmittance characterization of Fresnel lenses has been developed at \udNREL, in collaboration with the UPM. The system quantifies the optical efficiency of the lens by generating a performance map. The shape of the focused spot may also be analyzed to understand change in the lens performance. The primary instrument components (lasers and CCD detector) have been characterized to confirm their capability for performing optical transmittance measurements. Measurements performed on SoG and PMMA lenses subject to a variety of indoor conditions (e.g., UV and damp heat) identified differences in the optical efficiency of the evaluated \udlenses, demonstrating the ability of the Scanning Lens Instrument (SLI) to distinguish between the aged lenses

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