Broadband omnidirectional antireflection coatings optimized by genetic algorithm
作者： David J. Poxson , Martin F. Schubert , Frank W. Mont , E. F. Schubert , Jong Kyu Kim
DOI: 10.1364/OL.34.000728
关键词:
摘要: An optimized graded-refractive-index (GRIN) antireflection (AR) coating with broadband and omnidirectional characteristics—as desired for solar cell applications—designed by a genetic algorithm is presented. The three-layer GRIN AR consists of dense TiO2 two nanoporous SiO2 layers fabricated using oblique-angle deposition. normal incidence reflectance the averaged between 400 700 nm 3.9%, which 37% lower than that conventional single-layer Si3N4 coating. Furthermore, measured reflection over 410-740 range wide incident angles 40°-80° reduced 73% in comparison coating, clearly showing enhanced omnidirectionality characteristics
osapublishing.org参考文章(9)
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