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Q-switched Yb-doped fiber laser operating at 1073 nm using a carbon nanotubes saturable absorber

Al-Masoodi, Ahmed Hasan Hamood and Ismail, Mohammad Faizal and Ahmad, Fauzan and Kasim, N. and Munajat, Yusof and Ahmad, H. and Harun, Sulaiman Wadi (2014) Q-switched Yb-doped fiber laser operating at 1073 nm using a carbon nanotubes saturable absorber. Microwave and Optical Technology Letters, 56 (8). pp. 1770-1773. ISSN 0895-2477

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Official URL: http://dx.doi.org/10.1002/mop.28447

Abstract

A stable passive Q-switched Ytterbium-doped fiber laser (YDFL) operating at 1073-nm region is demonstrated using single-walled carbon-nanotubes (SWCNTs) as a saturable absorber (SA). The SA is prepared using polyvinyl alcohol (PVA) as a host polymer and integrated in the YDFL ring cavity by sandwiching the SWCNT/PVA thin film between two fiber connectors. A stable pulse train is achieved with 17.1-kHz repetition rate, 6.45-μs pulse width, and 3.1-nJ pulse energy at the threshold 980-nm pump power of 95.4 mW. As the pump power increases to 117.5 mW, the pulse train repetition rate also rises to 23.6 kHz. The shortest pulse width of 3.11 μs and pulse energy of 4.4 nJ are achieved at the maximum pump power of 117.5 mW

Item Type:Article
Uncontrolled Keywords:carbon nanotubes, passive Q-switcher
Subjects:Q Science
Divisions:Science
ID Code:62371
Deposited By: Widya Wahid
Deposited On:06 Jun 2017 15:49
Last Modified:06 Jun 2017 15:49

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