Optronscience,Inc.

info@opt-ron.com

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Doko Engineering has started distributing hollow optical fibers.
Hollow optical fibers efficiently deliver high-powered infrared, visible, and ultraviolet lasers.
Hollow optical fibers also cover extreme wavelenths including soft x ray, EUV, VUV, far IR, and terehertz wave.

Hollow fiber for visible/NIR/IR spectroscopy

Hollow fiber which can deliver broad wavelength region has aluminum, silver or polymer coating (depends on the application) on the inner of the tube. It has good performance for visible/NIR/IR spectroscopy.


  • Broad wavelength range (350-700nm, 0.7-2um, 2-15um)
  • Optimum coating on the application
  • IR spectroscopy using FTIR
  • Remote temperature measurement by radiation thermometer
  • Raman spectroscopy in NIR region
Fiber type VSS NIS IRS
Wavelength 350-700nm 0.7-2μm 2-15μm
Inner/Outer diameter
(um:tolerance±20)
530/700,
700/850,
1000/1600
530/700,
700/850,
1000/1600
530/700,
700/850,
1000/1600
Typical fiber length 1m or 2m 1m or 2m 1m or 2m
Delivery efficiency *1 30% λ=500nm
(700/850 dia., 1m length, linear)
50% λ=1μm
(700/850 dia., 1m length, linear)
65% λ=10μm
(1000/1600 dia., 1m length, linear)

NOTE:

*1 It is influenced by the input light condion and fiber bending condition.
* The specification may be revised without any notice.

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