Adjustable Focus Laser to Fiber Coupler

Specifications

Coupling Efficiency: Typically >70% for singlemode and polarization maintaining fibers; >90% for multimode fibers
Backreflection Levels: <-35dB for multimode fibers; <-40dB for singlemode and polarization maintaining fibers; <-60dB versions are also available
Polarization Extinction Ratios: >20dB; 25dB and 30dB versions are also available
Available Wavelengths: 200 - 2100 nm
Power Handling: >5 Watts CW for achromats; >10 Watts CW for aspheric lenses; >100 Watts CW for fused silica or plano-convex and biconvex lenses (multimode fibers); >100 Watts CW for axial GRIN lenses (SM, PM, and LMA fibers)
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Features


  • Can handle CW powers of up to 100W

  • Patented connector designs for precise coupling with focus adjustment

  • Excellent coupling efficiency up to 90%

  • Operating wavelengths from 200nm to 2100nm

  • Fiber end caps with ±25 micron thickness tolerance

  • Suitable for laser marking, cutting, welding, and shows

  • Ideal for materials processing, high-power spectroscopy, non-linear optics, and laser surgery

  • Applications in light detection and ranging (LIDAR) and interferometric sensors

Applications


  • Interferometric sensors

  • Laboratory applications

  • Education and training

  • Visual laser alignment for manufacturing

  • Medical, pharmaceutical, and chemical sensors

  • Fluorescence measurements

  • OEM laser systems