A ye kë ye cɔl a flat UV reflector, a ye kë ye cɔl a multi-layer optical interference film ye cɔl a quartz glass substrate, a ye kë ye cɔl a ultraviolet light, a ye kë ye cɔl a visible light, a ye kë ye cɔl a infrared light. Ultraviolet reflector ye tɔ̈u në ɣän juëc yiic në ultraviolet curing, exposure, optical instruments ku jɔl ya ɣän kɔ̈k peei yiic. A ye kë ye cɔl 'flat cold reflector' ye kë ye cɔl 'multi-layer optical interference film' ye cɔl 'glass substrate' ye cɔl 'glass substrate' ye cɔl 'glass substrate' ye cɔl 'glass substrate' ye cɔl 'glass substrate' ye cɔl 'glass substrate' ye cɔl 'glass substrate'. A ye tɔ̈u në cinema projectors, cold light sources, optical instruments, ku jɔl ya ɣän kɔ̈k peei. Filtrɛ ye cɔl "plane filter" alëu bï ya luɔ̈ɔ̈i në kë wïc yic, ye spectrum ye cɔl "spectrum" ye cɔl "spectrum" ye cɔl "spectrum" ye cɔl "spectrum" ye cɔl "spectrum".