Picosecond mode-locked tm-doped fibre laser and amplifier system providing over 20 W of average output power at 1994 nm

• Autorzy: Grześ P. , Michalska M. , Świderski J.

Identyfikatory

DOI

10.24425/mms.2018.124879

• Języki publikacji: EN

Abstrakty

EN

A mode-locked Tm³⁺-doped fibre laser and amplifier operating at a central wavelength of 1994.3 nm is demonstrated. A thulium oscillator is passively mode-locked by a semiconductor saturable absorber mirror to generate an average power of 17 mW at a fundamental repetition rate of 81 MHz in a short linear cavity. This 2-μm laser train is amplified to an average power to 20.26 W by two double-clad thulium-doped all-fibre amplifiers. The pulse energy, duration and peak power is 250 nJ, 23 ps and 9.57 kW, respectively. This represents one of the highest values of average power at ~2-μm-wavelength for picosecond thulium-doped fibre lasers and amplifiers. The performance of the laser system is described in details.

Słowa kluczowe

EN

pulsed fibre lasers and amplifiers; mid-infrared; mode-locked lasers; thulium-doped fibres

• Wydawca: Komitet Metrologii i Aparatury Naukowej PAN
• Czasopismo: Metrology and Measurement Systems
• Rocznik: 2018
• Tom: Vol. 25, nr 4
• Strony: 649--658
• Opis fizyczny: Bibliogr. 25 poz., rys., wykr.

Twórcy

autor

Grześ P.

• Military University of Technology, Institute of Optoelectronics, Urbanowicza 2, 00-908 Warsaw, Poland

autor

Michalska M.

• Military University of Technology, Institute of Optoelectronics, Urbanowicza 2, 00-908 Warsaw, Poland

autor

Świderski J.

• Military University of Technology, Institute of Optoelectronics, Urbanowicza 2, 00-908 Warsaw, Poland

Bibliografia

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Uwagi

EN

1. This research leading to these results was mainly supported by the National Science Centre, Poland (grant No. UMO-2014/13/B/ST7/00442). Pawel Grześ would like to acknowledge the financial support (scholarship) from the Polish National Science Centre. Special acknowledgments are given to Marcin Mamajek and Jan Karczewski from the Institute of Optoelectronics MUT for discussions and the technical support.

PL

2. Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).