Fabrication of holographic Fresnel lens used as a solar concentrator

Xuechang Ren; Shou Liu; Xiangsu Zhang; Xiaoyun Chen

doi:10.1117/12.754929

4 January 2008 Fabrication of holographic Fresnel lens used as a solar concentrator

Xuechang Ren, Shou Liu, Xiangsu Zhang, Xiaoyun Chen

Proceedings Volume 6832, Holography and Diffractive Optics III; 68321N (2008) https://doi.org/10.1117/12.754929
Event: Photonics Asia 2007, 2007, Beijing, China

Abstract

One of the more intriguing of solar collection techniques, holographic concentration, has been addressed in many ways, but it has so far met with only limited success. The major attraction of holography is that unlike conventional concentrators, the holographic concentrator can track the sun across the sky while remaining completely stationary. A simple system using holographic Fresnel lenses (HFLs) was proposed in this paper. We present the theoretical analysis and the technique for fabricating HFLs used for solar concentrator. Several HFLs fabricated using corresponding recording geometries, resulted in a combined device that collects light at any angle, with each lens responsible for gathering sunlight for a certain portion of the day. Three HFLs with different fringe pattern were achieved, which operates in the morning, at noon and in the afternoon, respectively. The primary experimental results of the concentrator were presented, which effectively concentrates the visible spectrum over a 60 degrees daily angular variation. Several advantages of the holographic concentrator we obtained include longer lifetime, low cost, and the small size of a flat piece of film compared to a mirror or lens. The dispersive characteristics applied to photovoltaic power generation would offer a novel type of generator with high conversion efficiencies.

Citation Download Citation

Xuechang Ren, Shou Liu, Xiangsu Zhang, and Xiaoyun Chen "Fabrication of holographic Fresnel lens used as a solar concentrator", Proc. SPIE 6832, Holography and Diffractive Optics III, 68321N (4 January 2008); https://doi.org/10.1117/12.754929

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