Abstract

Anti-reflection (AR) coatings, distributed Bragg reflectors (DBRs), Comb filters and dichroic mirrors were designed by multi-layered thin films using transfer matrix model (TMM) simulations. In AR coatings to increase the zero-reflectance window, a tri-layered optical coating with central layer having an optical thickness of λ/2 may be chosen. DBRs and dichroic filters were designed by multilayers of alternating high and low refractive index materials in a periodic pattern. Comb filters were designed by sandwiching a thick transparent layer between two DBRs.

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