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Mihailov SJ, Smelser CW, Lu P, et al. Fiber bragg gratings made with a phase mask and 800-nm femtosecond radiation. Opt Lett. 2003;28(12):995-7doi: 10.1364/ol.28.000995.
Mihailov, S. J., Smelser, C. W., Lu, P., Walker, R. B., Grobnic, D., Ding, H., Henderson, G., & Unruh, J. (2003). Fiber bragg gratings made with a phase mask and 800-nm femtosecond radiation. Optics letters, 28(12), 995-7. https://doi.org/10.1364/ol.28.000995
Mihailov, Stephen J, et al. "Fiber bragg gratings made with a phase mask and 800-nm femtosecond radiation." Optics letters vol. 28,12 (2003): 995-7. doi: https://doi.org/10.1364/ol.28.000995
Mihailov SJ, Smelser CW, Lu P, Walker RB, Grobnic D, Ding H, Henderson G, Unruh J. Fiber bragg gratings made with a phase mask and 800-nm femtosecond radiation. Opt Lett. 2003 Jun 15;28(12):995-7. doi: 10.1364/ol.28.000995. PMID: 12836757.
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Opt Lett. 2003 Jun 15;28(12):995-7. doi: 10.1364/ol.28.000995.

Fiber bragg gratings made with a phase mask and 800-nm femtosecond radiation.

Optics letters

Stephen J Mihailov, Christopher W Smelser, Ping Lu, Robert B Walker, Dan Grobnic, Huimin Ding, George Henderson, James Unruh

Affiliations

  1. Communications Research Centre Canada, 3701 Carling Avenue, PO Box 11490, Station H, Ottawa, Ontario K2H 8S2, Canada. [email protected]

PMID: 12836757 DOI: 10.1364/ol.28.000995

Abstract

High-quality retroreflecting fiber Bragg gratings were written in standard Ge-doped telecom fiber (Corning SMF-28) after a few minutes exposure with pulsed 800-nm, 120-fs laser radiation by use of a deep-etch silica zero-order nulled phase mask optimized for 800 nm. Induced index modulations of 1.9 x 10(-3) were achieved with peak power intensities of 1.2 x 10(13) W/cm2 without any fiber sensitization. The fiber gratings are stable and did not erase after 2 weeks at 300 degrees C. The primary mechanism of induced index change results from a structural modification to the fiber core.

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