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Spectral-temporal properties and nonlinear-optical transformation of supercontinuum radiation with an energy over 1 μJ generated by a large-mode-area photonic-crystal fiber |
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| Authors: | A V Mitrofanov A A Ivanov A A Podshivalov M V Alfimov A M Zheltikov |
| Institution: | (1) Faculty of Physics, Moscow State University, Moscow, 119992, Russia;(2) Center of Photochemistry, Russian Academy of Sciences, ul. Novatorov 7a, Moscow, 117421, Russia;(3) International Laser Center, Moscow State University, Moscow, 119992, Russia |
| Abstract: | Nonlinear-optical transformation of chirped femtosecond Cr:forsterite-laser pulses in a large-mode-area photonic-crystal fiber gives rise to the generation of a supercontinuum in the near infrared spectral range with an energy exceeding 1 μJ. A broadband light source with a wavelength tunability range from 550 to 1800 nm is implemented through second-harmonic-and sum-frequency-generation transformation of the supercontinuum photonic-crystal fiber output. |
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