Strong long-period fiber gratings recorded at 352 nm

Mykhaylo Dubov*, Ian Bennion, Stephen A. Slattery, David N. Nikogosyan

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


We describe long-period grating inscription in hydrogenated telecom fibers by use of high-intensity femto-second 352 nm laser pulses. We show that this technique allows us to fabricate high-quality 30 dB gratings of 300 μm period and 2 cm length by use of a three-photon absorption mechanism. © 2005 Optical Society of America.

Original languageEnglish
Pages (from-to)2533-2535
Number of pages3
JournalOptics Letters
Issue number19
Publication statusPublished - 1 Oct 2005

Bibliographical note

© 2005 Optical Society of America This paper was published in Applied Optics and is made available as an electronic reprint with the permission of OSA. The paper can be Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.


  • absorption
  • laser pulses
  • optical communication
  • optical fibers
  • photons
  • telecommunication systems
  • femtosecond lasers
  • fiber gratings
  • photon absorption
  • telecom fibers


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