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China Narrow Bandpass Filter Suppliers
Optics narrow bandpass filters are characterized by high passband transmittance, accurate center wavelength, steep Filter edges between pass- and blockband, and broadband blocking range. With typical passband width between 2 nm and 20 nm, and a blocking depth of OD5 or more the filters provide an excellent signal-to-noise ratio. In manifold applications, the filters are used to select the appropriate part of the spectrum either from a light source or in front of a photodetector.