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Optimized Design of Optical Filters for LWIR Region

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Abstract

We present here an optimized design of optical coating antireflection, bandpass, and edge filters in the wavelength range (6000–12,000 nm.) covering the long wavelength infrared range of the spectrum (LWIR). These designs are based on a refinement of a quarter-wave stack, for multilayers of ZnSe/Ge stacks. The results show that the structures and chosen adjusted for the preparation layers stacks are feasible film structures, and in fact, they can be prepared relatively easily. Also, results demonstrate new design constructions with advanced performance agree with desired performance of each type of filter.

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Correspondence to Nisreen Kh. Abdalameer.

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Nazar, A., Jasem, N.A. & Abdalameer, N.K. Optimized Design of Optical Filters for LWIR Region. J Opt (2023). https://doi.org/10.1007/s12596-023-01295-7

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