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.

本文描述了用于可见光和近红外 (VNIR) 450-900 nm 区域的线性可变光学滤波器 (LVOF) 的设计和模拟。LVOF 是使用全介电和基于金属介电的感应传输滤波器设计和模拟的。我们在本文中比较了基于全介电滤波器和金属介电滤波器的设计方法。基于金属电介质方法的 LVOF 滤波器降低了设计和制造的复杂性，同时还具有成本效益，因为认为不需要带阻滤波器。论文中报道的金属介电滤波器还具有 70% 的最小光谱透射率以及中心最大值的 2%–3% 的 FWHM。