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106 W, picosecond Yb-doped fiber MOPA system with a radially polarized output beam

106 W, picosecond Yb-doped fiber MOPA system with a radially polarized output beam
106 W, picosecond Yb-doped fiber MOPA system with a radially polarized output beam
We report the generation of high average output power, high peak power and high pulse energy radially polarized picosecond pulses from a compact gain-switched laser-diode-seeded Yb-doped fiber (YDF) master oscillator power amplifier (MOPA) system. A q-plate was employed as a mode converter prior to the final power amplifier to efficiently convert the linearly polarized Gaussian-shaped beam into a donut-shaped radially polarized beam. The desired vector beam was efficiently amplified yielding ~110ps pulses with a maximum output pulse energy of ~30.7µJ and a peak power of ~280kW at a repetition rate of 1.367MHz. The average power was scaled up to 106W by increasing the repetition rate to 5.468MHz.
fiber amplifiers, picosecond pulses, Polarisation
0146-9592
4957-4960
Lin, Di
d858c2c7-6eab-49d8-87e7-6b71d9bad013
Baktash, Neda
a7d4bcbf-0681-4874-a137-2245430afef3
Alam, Shaif-Ul
2b6bdbe5-ddcc-4a88-9057-299360b93435
Richardson, David
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Lin, Di
d858c2c7-6eab-49d8-87e7-6b71d9bad013
Baktash, Neda
a7d4bcbf-0681-4874-a137-2245430afef3
Alam, Shaif-Ul
2b6bdbe5-ddcc-4a88-9057-299360b93435
Richardson, David
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3

Lin, Di, Baktash, Neda, Alam, Shaif-Ul and Richardson, David (2018) 106 W, picosecond Yb-doped fiber MOPA system with a radially polarized output beam. Optics Letters, 43 (20), 4957-4960. (doi:10.1364/OL.43.004957).

Record type: Article

Abstract

We report the generation of high average output power, high peak power and high pulse energy radially polarized picosecond pulses from a compact gain-switched laser-diode-seeded Yb-doped fiber (YDF) master oscillator power amplifier (MOPA) system. A q-plate was employed as a mode converter prior to the final power amplifier to efficiently convert the linearly polarized Gaussian-shaped beam into a donut-shaped radially polarized beam. The desired vector beam was efficiently amplified yielding ~110ps pulses with a maximum output pulse energy of ~30.7µJ and a peak power of ~280kW at a repetition rate of 1.367MHz. The average power was scaled up to 106W by increasing the repetition rate to 5.468MHz.

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106 W, picosecond Yb-doped fiber MOPA system with a radially polarized output beam - Accepted Manuscript
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More information

Accepted/In Press date: 14 August 2018
e-pub ahead of print date: 15 August 2018
Published date: 15 October 2018
Keywords: fiber amplifiers, picosecond pulses, Polarisation

Identifiers

Local EPrints ID: 424222
URI: http://eprints.soton.ac.uk/id/eprint/424222
ISSN: 0146-9592
PURE UUID: 0c8906fd-8f53-4261-bfa3-0982ef8dcb01
ORCID for Di Lin: ORCID iD orcid.org/0000-0001-5025-9051
ORCID for David Richardson: ORCID iD orcid.org/0000-0002-7751-1058

Catalogue record

Date deposited: 05 Oct 2018 11:35
Last modified: 07 Oct 2020 06:12

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