Ultrafast IR Laser Writing of Strong Bragg Gratings Through the Coating of High Ge-Doped Optical Fibers

Strong fiber Bragg gratings were written through the standard polymer coatings of "off-the-shelf" high numerical aperture single-mode optical fibers after a few seconds exposure with femtosecond pulse durations of infrared radiation through a phase mask. While writing through the acrylate...

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Bibliographic Details
Published in:IEEE photonics technology letters 2008-06, Vol.20 (12), p.973-975
Main Authors: Grobnic, D., Mihailov, S.J., Smelser, C.W., Ramos, R.T.
Format: Article
Language:English
Subjects:
Apertures
Bragg gratings
Coating
Coatings
Femtosecond pulses
fiber coating
Fiber gratings
Fiber lasers
hydrogen-loading
Infrared radiation
Lasers
Modulation
Optical fibers
Optical pulses
Polymer films
Ultrafast optics
Writing
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Summary:Strong fiber Bragg gratings were written through the standard polymer coatings of "off-the-shelf" high numerical aperture single-mode optical fibers after a few seconds exposure with femtosecond pulse durations of infrared radiation through a phase mask. While writing through the acrylate coating, we obtained index modulations of up to 1.4 x 10 -3 and 7 x 10 -4 with and without H 2 -loading, respectively.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2008.922967