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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 10 — May. 15, 2010
  • pp: 1647–1649

Point-by-point fiber Bragg grating inscription in free-standing step-index and photonic crystal fibers using near-IR femtosecond laser

Thomas Geernaert, Kyriacos Kalli, Charalambos Koutsides, Michael Komodromos, Tomasz Nasilowski, Waclaw Urbanczyk, Jan Wojcik, Francis Berghmans, and Hugo Thienpont  »View Author Affiliations


Optics Letters, Vol. 35, Issue 10, pp. 1647-1649 (2010)
http://dx.doi.org/10.1364/OL.35.001647


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Abstract

We report what we believe to be the first highly symmetric first-order IR femtosecond laser fiber Bragg gratings within the telecommunications C band in free-standing optical fiber, fabricated with a relatively low NA lens and without use of oil immersion techniques. This grating features the smallest dimensions for a point-by-point fiber grating reported so far (to our knowledge). This achievement paves the way to rapid mass manufacturing of highly efficient and stable Bragg gratings using ultrafast lasers in any type of fiber. Mastering this femtosecond grating inscription technique also allowed the fabrication of the first Bragg gratings with direct near-IR femtosecond inscription in photonic crystal fibers, and without the use of techniques that rely on the compensation of the holey structure.

© 2010 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.3738) Fiber optics and optical communications : Fiber Bragg gratings, photosensitivity
(060.4005) Fiber optics and optical communications : Microstructured fibers

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: December 14, 2009
Revised Manuscript: March 11, 2010
Manuscript Accepted: April 2, 2010
Published: May 6, 2010

Citation
Thomas Geernaert, Kyriacos Kalli, Charalambos Koutsides, Michael Komodromos, Tomasz Nasilowski, Waclaw Urbanczyk, Jan Wojcik, Francis Berghmans, and Hugo Thienpont, "Point-by-point fiber Bragg grating inscription in free-standing step-index and photonic crystal fibers using near-IR femtosecond laser," Opt. Lett. 35, 1647-1649 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-10-1647

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