4 March 2015 Monolithic sub-MW peak power tapered ytterbium-doped fiber amplifier
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We proposed and investigated a novel tapered ytterbium-doped fiber design. The tapered fiber has length of 2.1 m, single-mode thin end and thick end with core/clad diameter of about 50/430 µm. Master-oscillator power-amplifier monolithic fiber scheme have been developed using this fiber and 5 ps duration, 28 nm spectral width and 0.5 MW peak power pulses was achieved at the output. FROG measurements reveal linear chirp that allow one to expect decompression of these pulses down to sub-100 fs duration.
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Konstantin K. Bobkov, Maxim Yu. Koptev, Andrei E. Levchenko, Svetlana S. Aleshkina, Segrey L. Semenov, Alexander N. Denisov, Mikhail M. Bubnov, Denis S. Lipatov, Alexander Yu. Laptev, Alexey N. Guryanov, Elena A. Anashkina, Sergey V. Muravyev, Alexey V. Andrianov, Arkady V. Kim, and Mikhail E. Likhachev "Monolithic sub-MW peak power tapered ytterbium-doped fiber amplifier", Proc. SPIE 9344, Fiber Lasers XII: Technology, Systems, and Applications, 93440S (4 March 2015); doi: 10.1117/12.2079364; https://doi.org/10.1117/12.2079364


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