Fiber bragg reflectors prepared by a single excimer pulse

Narrow-line, permanent Bragg reflection gratings have been created in Ge-doped silica-core optical fibers by interfering beams of a single 20-ns pulse of KrF excimer laser light. Of the fibers studied, the highest reflectance value of ~2% was observed with a linewidth (FWHM) of 0.1 nm, which corresp...

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Bibliographic Details
Published in:Optics letters 1992-06, Vol.17 (11), p.833-835
Main Authors: ASKINS, C. G, TSAI, T.-E, WILLIAMS, G. M, PUTNAM, M. A, BASHKANSKY, M, FRIEBELE, E. J
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Optical elements, devices, and systems
Optics
Physics
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Summary:Narrow-line, permanent Bragg reflection gratings have been created in Ge-doped silica-core optical fibers by interfering beams of a single 20-ns pulse of KrF excimer laser light. Of the fibers studied, the highest reflectance value of ~2% was observed with a linewidth (FWHM) of 0.1 nm, which corresponds to a 2-mm grating length with an index modulation of ~3 x 10(-5).
ISSN:0146-9592
1539-4794
DOI:10.1364/ol.17.000833