All-Silica Fibers

all-vis2All Silica (Deep UV, UV-VIS, VIS-NIR Broadband UV-NIR)Features

  • Superior transmission in the VIS/NIR wavelength range
  • Ultra low OH- fiber available
  • Laser damage resistant
  • Radiation resistant
  • Specialty coatings available for high temperatures, high vacuum and harsh environments
  • Biocompatible materials
  • Sterilizable by ETO, e-beam, gamma radiation
  • Higher transmission than plastic clad silica (PCS) fibers between 1500 nm and 2500 nm

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Fiber Properties

  • Step index profile
  • Clad/core ratio: 1.1, 1.2 typical, 1.05, 1.4, 2.5 also available
  • Numerical aperture: 0.22 ± 0.02 typical, 0.10, 0.16, 0.28, 0.35, 0.40 also available
  • Proof test: 70 kpsi
  • Minimum bend radius:
    300 times the clad radius (momentary)
    600 times the clad radius (long term)
  • Laser damage threshold:
    > 5 J/mm2 (Nd:YAG, 1 ms pulse at 1064 nm)
    > 100 kW/mm2 (Nd:YAG, cw at 1064 nm)

Applications

Medical

  • Laser surgery
  • Ophthalmology
  • Photodynamic therapy

Industrial/Scientific

  • Spectroscopy
  • Laser welding/soldering
  • Laser marking
  • Remote sensing
  • Aerospace
  • Military

Customization

Coating materials

  • Acrylate (-40°C to 85°C)
  • Silicone (-40°C to 150°C)
  • Polyimide (-190°C to 385°C)

Jacket materials

  • Acrylate (-40°C to 85°C)
  • Nylon (-40°C to 100°C)
  • Tefzel (-40°C to 150°C)