Abstract
The design and simulation of a Linear Variable Optical Filter (LVOF) for the visible and near-infrared (VNIR) 450–900 nm region is described in this paper. The LVOF is designed and simulated using an all-dielectric and metal-dielectric-based induced transmission filter. We compared the design approaches based on all-dielectric and metal-dielectric filters in this paper. The LVOF filter based on the metal-dielectric method reduces design and fabrication complexities while also being cost-effective because no band rejection filters are deemed necessary. The metal-dielectric filter reported in the paper also has minimum spectral transmission of 70% as well as an FWHM of 2%–3% of central maxima.
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