Notch Filters

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Notch Filters are Optical Filters that selectively reject a portion of the spectrum, while transmitting all other wavelengths.They are used in applications that require deep blocking of a narrow wavelength range, while offering broad transmission of the other wavelengths.


● Raman spectroscopy

● laser-based fluorescence instrumentation

● confocal or multi-photon microscopy


● High transmittance

●deep reflection

●narrow rejection bands


●Material :H-K9L

●Dimension: 3mm to Maximum Size:∅50mm / 55mm×55mm

●Transmittance: Tavg>90%@488-1500nm

●  Blocking at CWL:OD4

●  Surface quality:60-40

● Custom wavelength: 488,532,632.8,1064nm

●Temperature:-40℃ ~ +60℃

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