ItemName:InfraredFilterNBP-1900nmCharacter:Center wavelength1900 15nmHalfpowerBandwidth20 2nmTpeak 70%Advantage:Thesubstrateandsizecouldbeavailableuponrequest.Shape:WaferorsquareRemark:WeprovidevariousIRfilters,involvedinnearIR,mid-waveIR,farIRfilters.Enquiryus,knowmoredetails.