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Fabrication of High Contrast Gratings for the Spectrum Splitting Dispersive Element in a Concentrated Photovoltaic System
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Chapitres
- 00:05Titre
- 01:56Synthesis of the PDMS Mold Base
- 03:24Constructing the PDMS Nano-imprinting Mold
- 05:13Nano-imprint Pattern Transfer onto TiO2-glass Substrates
- 07:25Metallization, Liftoff, and Final Grating Definition
- 09:38Grating Reflectance Measurements
- 10:22Results: Broadband Reflectance Characteristics of the High Contrast Grating
- 11:32Conclusion
The fabrication of high contrast gratings as the parallel spectrum splitting dispersive element in a concentrated photovoltaic system is demonstrated. Fabrication processes including nanoimprint lithography, TiO2 sputtering and reactive ion etching are described. Reflectance measurement results are used to characterize the optical performance.
