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Optics Letters

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  • Vol. 29, Iss. 23 — Dec. 1, 2004
  • pp: 2728–2730

Controllable photoinduced optical attenuation in a single-mode optical fiber by irradiation of a femtosecond pulse laser

Yusuke Himei, Jianrong Qiu, Sotohiro Nakajima, Akihiko Sakamoto, and Kazuyuki Hirao  »View Author Affiliations


Optics Letters, Vol. 29, Issue 23, pp. 2728-2730 (2004)
http://dx.doi.org/10.1364/OL.29.002728


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Abstract

Novel optical attenuation fibers were fabricated by the irradiation of a focused infrared femtosecond pulsed laser onto the core of a silica glass single-mode optical fiber. Optical attenuation at a wavelength of 1.55 μm proportionally increased with increasing numbers of irradiation points and was controllable under laser irradiation conditions. The single-mode property of the waveguide and the mode-field diameter of the optical fiber were maintained after irradiation of the femtosecond laser. It is suggested that the attenuation results from optical scattering at photoinduced spots formed inside the fiber core.

© 2004 Optical Society of America

OCIS Codes
(060.2340) Fiber optics and optical communications : Fiber optics components
(140.7090) Lasers and laser optics : Ultrafast lasers
(230.7370) Optical devices : Waveguides

Citation
Yusuke Himei, Jianrong Qiu, Sotohiro Nakajima, Akihiko Sakamoto, and Kazuyuki Hirao, "Controllable photoinduced optical attenuation in a single-mode optical fiber by irradiation of a femtosecond pulse laser," Opt. Lett. 29, 2728-2730 (2004)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-29-23-2728


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