Optronscience,Inc.

info@opt-ron.com

TEL+81-3-5800-1341 FAX+81-3-5800-1342

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 fibers for short pulse lasers

Hollow optical fibers specially designed for Q-switched YAG lasers are available. The fibers transmits high-peak-power, nanosecond pulses of YAG and its harmonics (2nd, 3rd, and 4th).

Hollow fiberoptics also deliver femto-second pulses with high pulse energy with little pulse broadening.


  • Fiber delivery of high power short pulse lasers
  • Small pulse broadening of femto-second pulses
  • High power laser processing
  • Laser ablation procesing
  • Laser micro processing
  • Bio photonics
  • Laser ignition
Fiber type ISL VSL
Wavelength 1064, 780nm etc. (specify wavelength) 532, 355, 266nm etc. (specify wavelength)
Inner/Outer diameter
(um : tolerance±20)
700/850, 1000/1600 700/850, 1000/1600
Typical fiber length 1m or 2m 1m or 2m
Maximum energy/power *1 100mJ 8ns
YAG fundamental (1000/1600 dia.)
50mJ 8ns
YAG SHG (1000/1600 dia.)
Delivery efficiency *2 70% (1000/1600 dia., 1m length, linear) 60% (1000/1600 dia., 1m length, linear)

NOTE:

*1 It is influenced by the beam quality and coupling condition of the laser beam.
*2 It is influenced by the input light condion and fiber bending condition.
* The specification may be revised without any notice.

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