Tunable Q-switched ytterbium-doped fibre laser by using zinc oxide as saturable absorber

• Autorzy: Shaharuddin R. A. , Azzuhri S. A. , Ismail M. A. , Rashid F. A. A. , Samion M. Z. , Razak M. Z. A. , Ahmad H.

Identyfikatory

DOI

10.1016/j.opelre.2017.01.002

• Języki publikacji: EN

Abstrakty

EN

This paper demonstrates the use of a zinc oxide (ZnO) thin film in a 1-μm ring laser cavity as a saturable absorber to successfully generate Q-switching pulses. The tunability of the laser pulses is achieved by integrating a tunable bandpass filter (TBPF) in an ytterbium-doped laser cavity that results in 9.4 nm of tuning range, which wavelength is from 1040.70 nm to 1050.1 nm. The peak energy in the pulse which is 1.47 nJ was measured together with a minimum pulse width of 2.4 μm. In addition, the repetition rate increases from 25.77 to 45.94 kHz as the pump power level being increased from 103.1 to 175.1 mW. The results obtained in this experiment demonstrated consistent results and stable throughout the experiment. Therefore, ZnO thin film is considered as a good candidate in 1-µm pulsed laser applications.

Słowa kluczowe

EN

tunable Q-switched; ZnO; tunable bandpass filter; ytterbium

• Wydawca: Stowarzyszenie Elektryków Polskich ; Polska Akademia Nauk ; Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego
• Czasopismo: Opto-Electronics Review
• Rocznik: 2017
• Tom: Vol. 25, No. 1
• Strony: 10--14
• Opis fizyczny: Bibliogr. 43 poz., rys., wykr.

Twórcy

autor

Shaharuddin R. A.

• Photonics Research Centre (PRC), University of Malaya, Kuala Lumpur, Malaysia

autor

Azzuhri S. A.

• Photonics Research Centre (PRC), University of Malaya, Kuala Lumpur, Malaysia

autor

Ismail M. A.

• Photonics Research Centre (PRC), University of Malaya, Kuala Lumpur, Malaysia

autor

Rashid F. A. A.

• Photonics Research Centre (PRC), University of Malaya, Kuala Lumpur, Malaysia

autor

Samion M. Z.

• Photonics Research Centre (PRC), University of Malaya, Kuala Lumpur, Malaysia

autor

Razak M. Z. A.

• Institute of Microengineering and Nanoelectronics, University Kebangsaan Malaysia, Selangor, Malaysia

autor

Ahmad H.

• Photonics Research Centre (PRC), University of Malaya, Kuala Lumpur, Malaysia

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017)