Collimating Units

A collimating unit is used at the exit side of a fiber optic cable. The function of this assembly is to bring the transmitted laser light into a parallel beam. Different versions for different NA of the emitted laser light are available.

Tech Spec

Water-cooled Air-cooled
Max. Power (CW)
d25: 10 kW
d50: 12 kW
d25: 3 kW
d50: 5 kW
Optics Diameter 25 mm / 50 mm
Focal Lengths
d25: 50 / 60 / 70 / 85 / 100 mm
d50: 100/ 120 / 160 / 200 / 250 mm
Asymmetric Aspects Ratios 1:1.5/2.0/2.5/3.0 (f170), 1:1.6/2.0/2.6/3.3/4.0 (f226)
Optics Material Synthetic fused silica
AR-Coating 1030-1090 nm
Fiber Interfaces QBH / RQB / QD / LLK-B

Features & Benefits


  • Prealigned for plug-and-play performance
  • Minimum focal shift
  • Water-cooled or air-cooled
  • Compact
  • Also available: Asymmetric Collimating Unit

Related Materials