Chromium aluminum carbide as Q-switcher for the near-infrared erbium-doped fiber laser

In this study, chromium aluminum carbide (Cr2AlC) is reported as a new saturable absorber (SA) to produce nanosecond pulse Q-switched laser. Cr2AlC belongs to the group of MAX-phases materials that have recently emerged as potential SAs in the field of fiber lasers. Here, the Cr2AlC powder was added...

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Bibliographic Details
Published in:Optik (Stuttgart) 2022-01, Vol.250, p.168362, Article 168362
Main Authors: Najm, M.M., Nizamani, B., Zhang, P., Arof, H., Al-Hiti, A.S., Rosol, A.H.A., Paul, M.C., Yasin, M., Harun, S.W.
Format: Article
Language:English
Subjects:
Energy efficiency
Erbium-doped fiber
Fiber laser
Q-switching
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Summary:In this study, chromium aluminum carbide (Cr2AlC) is reported as a new saturable absorber (SA) to produce nanosecond pulse Q-switched laser. Cr2AlC belongs to the group of MAX-phases materials that have recently emerged as potential SAs in the field of fiber lasers. Here, the Cr2AlC powder was added to polyvinyl alcohol (PVA) liquid solution to prepare a Cr2AlC-PVA thin-film based SA. A small piece of Cr2AlC thin-film was incorporated with an erbium-doped fiber laser (EDFL) cavity to produce Q-switching pulses. The obtained pulses from the Q-switched laser-produced pulse width between 995 ns and 780 ns having a repetition frequency of 108–132 kHz, with a rise in pump power from 117 mW to 167 mW. At 167 mW pump power, the pulse energy and output power obtained to be 9 nJ and 1.134 mW, respectively.
ISSN:0030-4026
1618-1336
DOI:10.1016/j.ijleo.2021.168362