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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2001, Volume 74, Issue 9, Pages 515–519
(Mi jetpl4246)
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This article is cited in 6 scientific papers (total in 6 papers)
NONLINEAR DYNAMICS
Spectral superbroadening of subnanojoule Cr:Forsterite femtosecond laser pulses in a tapered fiber
D. A. Akimova, M. V. Alfimovb, S. N. Bagayevc, T. A. Birksd, A. A. Ivanovb, A. B. Fedotova, W. J. Wadsworthd, P. S. Russelld, V. S. Pivtsovc, A. A. Podshivalova, A. M. Zheltikova a International Laser Center of Moscow State University
b Photochemistry Centre, Russian Academy of Sciences, Moscow
c Institute of Laser Physics, Siberian Branch, Russian Academy of Sciences, Novosibirsk
d Department of Physics, University of Bath
Abstract:
Spectral superbroadening of subnanojoule femtosecond Cr:forsterite laser pulses is demonstrated for the first time in experiments with a tapered fiber. Coupling $40$-fs $0.6$-nJ pulses of $1.25$-$\mu$m Cr:forsterite laser radiation into a tapered fiber with a taper waist diameter of about $2$ $\mu$m and a taper waist length of $90$ mm, we observed the spectra spanning more than two octaves at the output of the fiber. These experimental results open new horizons for the creation of compact femtosecond systems based on Cr:forsterite lasers and tapered fibers for optical metrology and biomedical applications.
Received: 27.09.2001
Citation:
D. A. Akimov, M. V. Alfimov, S. N. Bagayev, T. A. Birks, A. A. Ivanov, A. B. Fedotov, W. J. Wadsworth, P. S. Russell, V. S. Pivtsov, A. A. Podshivalov, A. M. Zheltikov, “Spectral superbroadening of subnanojoule Cr:Forsterite femtosecond laser pulses in a tapered fiber”, Pis'ma v Zh. Èksper. Teoret. Fiz., 74:9 (2001), 515–519; JETP Letters, 74:9 (2001), 460–463
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https://www.mathnet.ru/eng/jetpl4246 https://www.mathnet.ru/eng/jetpl/v74/i9/p515
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