Single polarization picosecond fiber MOPA power scaled to beyond 500 W

Teh, Peh Siong, Alam, Shaif-ul, Lewis, Richard J. ORCID: https://orcid.org/0000-0003-1859-0021 and Richardson, David J. 2014. Single polarization picosecond fiber MOPA power scaled to beyond 500 W. Laser Physics Letters 11 (8) , 085103. 10.1088/1612-2011/11/8/085103

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Abstract

We demonstrate a gain-switched diode-seeded, ytterbium-doped fiber based master oscillator power amplifier (MOPA) system, capable of delivering 2.4 μJ, 35 ps pulses at a repetition frequency of 215 MHz in a single-polarization, close to diffraction limited beam. We are aware that the corresponding average power of > 500 W is a record for such a MOPA system. Further pulse energy scaling was limited primarily by the onset of nonlinear effects such as self-phase modulation and stimulated Raman scattering which led to a compromised pulse quality at higher peak powers (> 70 kW).

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Schools > Biosciences
Subjects:	Q Science > Q Science (General)
Uncontrolled Keywords:	Optics; quantum optics; lasers.
Publisher:	IOP Publishing
ISSN:	1612-202X
Funders:	UK Technology Strategy Board
Date of First Compliant Deposit:	18 February 2019
Last Modified:	19 May 2023 21:25
URI:	https://orca.cardiff.ac.uk/id/eprint/60543

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