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Continue to ChatOptical filters from SiO2 and TiO2 multi-layers using sol-gel spin coating method - https://avesis.itu.edu.tr/yayin/1fc98001-bd67-40f5-b08a-0126b2ce2517/optical-filters-from-sio2-and-tio2-multi-layers-using-sol-gel-spin-coating-method