The generation of passive dual wavelengths Q-switched YDFL by MoSe2film

Ahmad, Harith and Rashid, F.A.A. and Azzuhri, Saaidal Razalli and Salim, M.A.M. and Shaharuddin, R.A. and Ismail, M.A. and Razak, M.Z.A. (2016) The generation of passive dual wavelengths Q-switched YDFL by MoSe2film. Laser Physics Letters, 13 (11). p. 115102. ISSN 1612-2011, DOI

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A simple ytterbium doped fiber laser (YDFL) setup was used to generate Q-switching pulses by using a D-shaped polished fiber as a wavelength selective filter. The gain medium used in the cavity was ytterbium doped fiber with length 70 cm. By utilizing a MoSe2 film as saturable absorber into the cavity, a stable dual wavelength was produced at 1036.69 and 1039.22 nm. The wavelength separation of the output spectrum was 2.53 nm. We found a maximum pulse energy of 0.99 nJ and shortest pulse width of 1.2 μs. We have determined consistent dual-wavelength Q-switching pulses for the 1-micron region.

Item Type: Article
Funders: University of Malaya: Research grant number GA010-2014 (ULUNG), RU007/2015, LRGS (2015)/NGOD/UM/KPT and BR002-2016
Uncontrolled Keywords: D-shaped polished fiber; Dual wavelengths; Fiber laser; MoSe2 film; Ytterbium
Subjects: Q Science > Q Science (General)
Q Science > QC Physics
Divisions: Faculty of Science
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 24 Oct 2017 05:36
Last Modified: 12 Oct 2018 00:57

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