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 IR & THz Long Pass Filters
 
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Parameter
Description
General
Diameter
25.4 mm (1 in) or 19 mm (0.75 in) standard (up to 150mm [6 in] available)
Thickness
0.625 mm ±0.125 mm
Filter type
Long-pass scattering
Blocking
Optical density >2 for whole blocking range
4 µm to less than 20 µm
Transmission
50% minimum
Cut-on wavelength position
50% of maximum transmission value (µm)
Cut-on wavelength tolerance
±10% of cut-on wavelength
Rejection band
Blocking from 100 nm (UV region) to cut-on wavelength
20 µm to 125 µm
Transmission
60% or better
Cut-on wavelength position
50% of maximum transmission value (µm)
Cut-on wavelength tolerance
±10% of cut-on wavelength
Rejection band
Blocking from 100 nm (UV region) to cut-on wavelength
     

Diameter: 25.4 mm +0/-0.2 mm

Blocking: Average <0.2% below passband through                FUV

 
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garrow Contact an expert on IR Filters
   Tel: (614) 891-2243 × 201
   email: irfilters@lakeshore.com
 
 
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