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Authors: M. M. Khudyakov 1 ; A. E. Levchenko 2 ; V. V. Velmiskin 2 ; K. K. Bobkov 2 ; D. S. Lipatov 3 ; A. N. Guryanov 3 ; M. M. Bubnov 2 and M. E. Likhachev 2

Affiliations: 1 Moscow Institute of Physics and Technology (State University) and Fiber Optics Research Center of the Russian Academy of, Russian Federation ; 2 Fiber Optics Research Center of the Russian Academy of, Russian Federation ; 3 Institute of High Purity Substances of Russian Academy of Sciences, Russian Federation

ISBN: 978-989-758-286-8

Keyword(s): Tapered Fiber, Fiber Amplifier, High Peak Power, Er-doped.

Related Ontology Subjects/Areas/Topics: Fiber Lasers and Applications ; High Intensity Lasers and High Field Phenomena ; Lasers ; Photonics, Optics and Laser Technology

Abstract: A novel tapered Er3+-doped fiber design for high peak power amplification has been developed and tested. The fiber core was based on P2O5-Al2O3-SiO2 glass matrix, which allowed simultaneous achievement of low NA and high Er content. The core diameter was changing along the fiber length from 22.5 µm (single-mode operation) to 86 µm along 2.5 meters. Amplifier based on counter propagation signal (coupled to the thin tapered fiber end) and pump (coupled into thick fiber end) was developed and a nearly diffraction-limited beam quality (M2<1.27) of the output signal has been achieved. Amplification of 80 ns single frequency Gaussian-shaped pulses has resulted in peak power of 20 kW in 55 ns pulses (1.5 mJ) limited by available pump power.

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Paper citation in several formats:
Khudyakov, M.; Levchenko, A.; Velmiskin, V.; Bobkov, K.; Lipatov, D.; Guryanov, A.; Bubnov, M. and Likhachev, M. (2018). High Peak Power Er-doped Tapered Fiber Amplifier.In Proceedings of the 6th International Conference on Photonics, Optics and Laser Technology - Volume 1: PHOTOPTICS, ISBN 978-989-758-286-8, pages 105-109. DOI: 10.5220/0006715701050109

@conference{photoptics18,
author={M. M. Khudyakov. and A. E. Levchenko. and V. V. Velmiskin. and K. K. Bobkov. and D. S. Lipatov. and A. N. Guryanov. and M. M. Bubnov. and M. E. Likhachev.},
title={High Peak Power Er-doped Tapered Fiber Amplifier},
booktitle={Proceedings of the 6th International Conference on Photonics, Optics and Laser Technology - Volume 1: PHOTOPTICS,},
year={2018},
pages={105-109},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0006715701050109},
isbn={978-989-758-286-8},
}

TY - CONF

JO - Proceedings of the 6th International Conference on Photonics, Optics and Laser Technology - Volume 1: PHOTOPTICS,
TI - High Peak Power Er-doped Tapered Fiber Amplifier
SN - 978-989-758-286-8
AU - Khudyakov, M.
AU - Levchenko, A.
AU - Velmiskin, V.
AU - Bobkov, K.
AU - Lipatov, D.
AU - Guryanov, A.
AU - Bubnov, M.
AU - Likhachev, M.
PY - 2018
SP - 105
EP - 109
DO - 10.5220/0006715701050109

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