多腔矩形干涉滤光片multi-rectangularcavityinterferencefilter 全介质多腔滤光片，峰值透过率高，矩形化好，截止深。All-dielectricmulti-cavityfilter:hightransmittanceofthepeak,well-rectangularity,deepcut-offspectrum. 金属诱导滤光片：截止波长无限长，性能超过美国进口产品。MetalInducedfilter:unlimitedlongwavelength,performanceovertheUnitedStatesimportedproducts