简介:Asystemofunequalthicknessinterferencefilterswithquarterwavelengthstackwhichconsistsofaspacersurroundedbytwomultilayerstacksisdesigned,andtheexamplesofthefilterdesignaregiven.Thiskindoffiltersarenotonlycharacterizedbyhigh-transparency,butalsobyhigh-reflection,therefore,itissuperiortothecommonequalthicknessinterferencesystemwithquarterwavelength.Itiseasiertocontrolthemanufacturingtechniquesofthenewdesignascomparedwiththatofinterferencefilterofnon-quarterwavelength.