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Proceedings Paper

Supercontinuum generation in single crystal sapphire fibers
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Paper Abstract

Novel supercontinuum generation by launching ultra-short femtosecond laser pulses into single crystal sapphire fibers is demonstrated. Supercontinuum generation using sapphire fiber exhibits many advantages that include high transparency up to 5 micron, low material dispersion in the 0.8 micron to 5 micron spectral range, and an extremely high laser damage threshold (500 times higher than that of silica). Thus, supercontinuum spectrum with high power, super broadband, and spatial coherence can be realized by pumping single crystal sapphire fibers. By experimental comparison, we prove that sapphire fiber can provide a broader supercontinuum spectrum than that of bulk sapphire counterpart under the same exciting conditions. Since supercontinuum generation in single crystal sapphire fibers can radiate high power supercontinuum in the middle-IR regime, it will have a great impact on many applications, including sensing and broadband multi-spectrum free space communications.

Paper Details

Date Published: 17 September 2007
PDF: 8 pages
Proc. SPIE 6698, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications, 66980Z (17 September 2007); doi: 10.1117/12.738447
Show Author Affiliations
Stuart (Shizhuo) Yin, The Pennsylvania State Univ. (United States)
Jae Hun Kim, The Pennsylvania State Univ. (United States)
Chun Zhan, The Pennsylvania State Univ. (United States)
Jun Won An, The Pennsylvania State Univ. (United States)
Jon Lee, The Pennsylvania State Univ. (United States)
Paul Ruffin, U.S. Army Aviation and Missile Command (United States)
Eugene Edwards, U.S. Army Aviation and Missile Research, Development and Engineering Ctr. (United States)
Christina L. Brantley, U.S. Army Research, Development and Engineering Command (United States)
Claire Luo, General Opto Solutions, LLC (United States)


Published in SPIE Proceedings Vol. 6698:
Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications
Ruyan Guo; Shizhuo S. Yin; Francis T.S. Yu, Editor(s)

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