Design and fabrication of hollow-core photonic crystal fibers for high power fast laser beam transportation and pulse compression

Abstract : We report on the recent design and fabrication of kagome-type hollow-core photonic crystal fibers for the purpose of high-power ultrashort pulse transportation. The fabricated seven-cell three-ring hypocycloid-shaped large core fiber exhibits an up-to-date lowest attenuation (among all kagome fibers) of 40 dB/km over a broadband transmission centered at 1500 nm. We show that the large core size, low attenuation, broadband transmission, single-mode guidance, and low dispersion make it an ideal host for high-power laser beam transportation. By filling the fiber with helium gas, a 74 μJ, 850 fs, and 40 kHz repetition rate ultrashort pulse at 1550 nm has been faithfully delivered at the fiber output with little propagation pulse distortion. Compression of a 105 μJ laser pulse from 850 fs down to 300 fs has been achieved by operating the fiber in ambient air.
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https://hal-unilim.archives-ouvertes.fr/hal-00923884
Contributeur : Frédéric Gerome <>
Soumis le : dimanche 5 janvier 2014 - 20:28:51
Dernière modification le : jeudi 11 janvier 2018 - 06:27:26

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  • HAL Id : hal-00923884, version 1

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Yingying Wang, X. Peng, Meshaal Alharbi, Coralie Fourcade Dutin, Tom Bradley, et al.. Design and fabrication of hollow-core photonic crystal fibers for high power fast laser beam transportation and pulse compression. Optics Letters, Optical Society of America, 2012, 37 (15), pp.3111. ⟨hal-00923884⟩

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