ABSTRACT Various nanostructures have been adopted for anti-reflection coating due to the graded refractive index. The interference between the two interfaces may sometimes cause an oscillating reflectance spectrum under certain… Click to show full abstract
ABSTRACT Various nanostructures have been adopted for anti-reflection coating due to the graded refractive index. The interference between the two interfaces may sometimes cause an oscillating reflectance spectrum under certain conditions. The anti-reflection performances of a few nanostructure arrays were investigated using the finite-difference time domain (FDTD) simulation method. The study showed that the appropriate modulation of the height of nanostructures is a very effective method for suppressing the reflection peaks and flattening the reflectance spectrum.
               
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