26 February 2018 Cladding-pumped 70-kW-peak-power 2-ns-pulse Er-doped fiber amplifier
Author Affiliations +
Proceedings Volume 10512, Fiber Lasers XV: Technology and Systems; 1051216 (2018) https://doi.org/10.1117/12.2290837
Event: SPIE LASE, 2018, San Francisco, California, United States
Abstract
An all-fiber pulsed erbium laser with pulse width of 2.4 ns working in a MOPA configuration has been created. Cladding pumped double clad erbium doped large mode area fiber was used in the final stage amplifier. Peculiarity of the current work is utilization of custom-made multimode diode wavelength stabilized at 981±0.5 nm – wavelength of maximum absorption by Er ions. It allowed us to shorten Er-doped fiber down to 1.7 m and keep a reasonably high pump-to signal conversion efficiency of 8.4%. The record output peak power for all-fiber amplifiers of 84 kW was achieved within 1555.9±0.15 nm spectral range.
Conference Presentation
© (2018) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
M. M. Khudyakov, M. M. Khudyakov, M. M. Bubnov, M. M. Bubnov, A. K. Senatorov, A. K. Senatorov, D. S. Lipatov, D. S. Lipatov, A. N. Guryanov, A. N. Guryanov, A. A. Rybaltovsky, A. A. Rybaltovsky, O. V. Butov, O. V. Butov, L. V. Kotov, L. V. Kotov, M. E. Likhachev, M. E. Likhachev, } "Cladding-pumped 70-kW-peak-power 2-ns-pulse Er-doped fiber amplifier", Proc. SPIE 10512, Fiber Lasers XV: Technology and Systems, 1051216 (26 February 2018); doi: 10.1117/12.2290837; https://doi.org/10.1117/12.2290837
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