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ADD:No.242 Beihai Street, Dadong District, Shenyang City, Liaoning Province

TLL:024-88722463(Filter)

  024-88710226(Reflector) 

  024-88710538(International)          

FAX:024-88722312(Filter)

      024-88710655(Reflector)

EMAIL:info@hb-optical.com

Notch filter

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Notch filter

Notchfiltersarealsocalledband-stoporband-rejectfilters.Itcantransmitmostwavelengths,butattenuateslightinaspecificwavelengthrange(stopband)toaverylowlevel. Notchfiltersaretheoppositeofband-passfilters.Band-passfiltersprovidehighpass-bandtransmittanceandexcellentout-of-bandrejectioncharacteristics,sothattheyonlytransmitlightinasmallwavelengthrange,whilenotchfiltersOnlysuppresslightinasmallwavelengthrange.Highprecision,consistencyandstabilityareimportantcharacteristicsofHuiboopticalfilterproducts.Eachpieceofproductwillgothroughpreciseandstrictfactoryinspection.Avarietyofsizesandcenterwavelengthsareavailable,andproductcustomizationservicescanbeprovided.
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Notch filters are also called band-stop or band-reject filters. It can transmit most wavelengths, but attenuates light in a specific wavelength range (stop band) to a very low level.
 
Notch filters are the opposite of band-pass filters. Band-pass filters provide high pass-band transmittance and excellent out-of-band rejection characteristics, so that they only transmit light in a small wavelength range, while notch filters Only suppress light in a small wavelength range. High precision, consistency and stability are important characteristics of Huibo optical filter products. Each piece of product will go through precise and strict factory inspection. A variety of sizes and center wavelengths are available, and product customization services can be provided.
 
 
 
 
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It is mainly used to filter the laser emission light. For example, in order to obtain a better signal-to-noise ratio in the Raman spectroscopy experiment and suppress the pump laser, it can be achieved by placing a notch filter on the detection channel. In addition to spectrometers, notch filters are also often used for laser protection. The glare laser that attenuates the laser can protect the workers’ eyes, and can clearly see the objects with different color spectrum characteristics. For laser-based fluorescence instruments and biomedical laser systems.
 
 
 
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