Infrared Collimating Lenses

 

  • Delivers high numerical aperture for maximum collection efficiency
  • Provides a compact, single lens design
  • Supplies diffraction-limited performance
  • Utilizes high-quality molded LightPath Infrared Lens
  • RoHS Compliant

 

 

 

  MWIR/LWIR collimating lenses have a high numerical aperture for maximum light collection for collimating light from MWIR and LWIR lasers, including quantum cascade lasers (QCL). The aspheric design enables a single lens to replace complex, multiple component optical systems.

 

 

 

Part Number 390017 390021 390028 390036 390037
Material BD-2 (Ge28Sb12Se60)
Design Wavelength 2.7 µm 3.5 µm 4.1 µm 2.5 µm 9.5 µm
Numerical Aperture 0.72 0.18 0.56 0.56 0.85
Clear Aperture 2.6 mm 4.0 mm 7.6 mm 5.0 mm 4.0 mm
Effective Focal Length 1.50 mm 11.00 mm 5.95 mm 4.00 mm 1.87 mm
Outer Diameter 3.2 mm 5.0 mm 8.0 mm 6.5 mm 5.5 mm
Working Distance 1.24 mm 9.83 mm 5.00 mm 3.05 mm 0.72 mm
Center Thickness 1.10 mm 3.07 mm 2.50 mm 2.50 mm 3.00 mm

Related Resources
 
Infrared Optics Brochure (PDF 2.3 MB)

 

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