Abstract
A narrow-band transmission filter based on one-dimensional photonic crystals with
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layers is grown by sol-gel spin-coating processing. The structural and optical properties of fabricated samples are characterized by an atomic force microscope, scanning electron microscope, and UV-visible spectroscopy. Specific wavelength transmission and bandgap in the optical filter with and without a defect layer have been investigated by engineering the layer thickness and defect layer material. For three fabricated optical filters, it is found that the maximum transmission for the
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and InP defect layers reaches 58.09% and 42.21%, respectively. The layer thickness is fixed just by tuning the rotational speed of the spin-coater.
Subject
Atomic and Molecular Physics, and Optics,Engineering (miscellaneous),Electrical and Electronic Engineering
Cited by
4 articles.
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