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Infrared Bandpass Filters Brief Introduction

　　IR filters can transmit light of a specific spectrum while cutting off other unwanted light. Such filters are widely used in environmental monitoring, safety detection, and FLIR applications. For example, for gas analysis such as carbon dioxide (CO2), methane (CH4), carbon monoxide (CO), ammonia (NH3), water (H2O), ethanol (CH3CH2OH), sulfur dioxide (SO2), nitrous oxide (N2O), etc.

Infrared Bandpass Filters Feature

Material：See details in the list  Surface Quality：80/50
Dimension Tolerance：+0/-0.2mm  Clear Aperture：90％
Thickness Tolerance：±0.2mm  Blocking Depth：Tmax <1%；Tavg <0.1%

*Measurement datas are available for all products
  • 10.0
  • 20.0
  • 25.0
  • 2.35±0.03
  • 2.42±0.03
  • 3.33±0.03
  • 3.33±0.05
  • 3.43±0.03
  • 3.85±0.05
  • 3.86±0.03
  • 4.00±0.10
  • 4.25±0.10
  • 4.26±0.03
  • 4.28±0.05
  • 4.35±0.05
  • 4.39±0.06
  • 4.40±0.05
  • 4.55±0.05
  • 4.68±0.03
  • 4.68±0.05
  • 4.72±0.05
  • 5.25±0.05
  • 5.30±0.10
  • 6.25±0.05
  • 7.36±0.10
  • 7.36±0.06
  • 0.04±0.02
  • 0.07±0.02
  • 0.14±0.02
  • 0.16±0.03
  • 0.17±0.02
  • 0.19±0.02
  • 0.20±0.02
  • 0.22±0.02
  • 0.25±0.02
  • 0.32±0.03
  • 0.35±0.03
  • 0.42±0.03
  • 0.50±0.03
  • 1.10±0.05
  • 2.00±0.05
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