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Dual Bandpass Filters

Dual bandpass filters enable next generation smartphone manufacturers to reduce cost by integrating hardware functions such as digital photography and 3D sensing into one camera. II-VI’s dual bandpass filters provide high transmission simultaneously in the visible wavelength range for digital photography and in the near-infrared wavelength range for laser-based 3D sensing.  

 Features

  • Dual bandpass for both visible range and 850nm or 940nm
  • >90% average transmission at both wavelengths at AOI 0-30degree
  • >OD2 Blocking
  • Custom wavelength available

Typical specs for Vis&850nm

AOI = 0deg:
Tabs > 90%, Tavg > 93% at 440nm to 635nm
Tabs > 90%, Tavg > 93% at 845nm to 900nm
Tabs < 1% at 675nm to 795nm
Tabs < 1% at 960nm to 1100nm

AOI = 30deg:
Tabs > 80%, Tavg > 93% at 440nm to 602nm
Tabs > 90%, Tavg > 93% at 845nm to 855nm

Applications

  • 3D Sensing
  • Face biometrics

 

 

Dual Bandpass Filters
Dual bandpass filters enable next generation smartphone manufacturers to reduce cost by integrating hardware functions such as digital photography and 3D sensing into one camera. II-VI’s dual bandpass filters provide high transmission simultaneo... Read More
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