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Filters

Bandpass Filter

        Bandpass filters are optical elements that are designed to transmit a specific spectral band with high efficiency, while reject others. The characteristics of the bandpass are controlled by multilayer dielectric coatings.      


  • Variety of UV, VIS, and NIR wavelength range Available
  • Deep Blocking and High Transmission
  • Steep Transmission and Rejection Slopes


All filters are available in 12.7, 25.4, and 50.8mm diameters, or requested dimension.


Common Specifications:

· Transmission (%): >90

· Surface Quality: 40-20

· Optical Density OD: >4.0

· 10nm~50nm FWHM

· Substrate: H-K9L, Fused Silica or requested




Narrow band pass filter sample 950nm:



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