Generation of sub-nanosecond pulse in dual-wavelength praseodymium fluoride fibre laser

Ahmad, Harith and Ahmed, Mahmoud Hazzaa M. and Samion, Muhamad Zharif and Kamely, A.A. and Ismail, Mohammad Faizal and Harun, Sulaiman Wadi and Thambiratnam, Kavintheran (2019) Generation of sub-nanosecond pulse in dual-wavelength praseodymium fluoride fibre laser. Laser Physics, 29 (10). p. 105101. ISSN 1054-660X, DOI

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In this paper, we demonstrate a stable dual-wavelength pulsed output from a praseodymium doped fluoride fiber laser. These dual functions are induced by intensity-dependent transmission and loss due to the cavity birefringence. The two lasing wavelengths centered at 1298.26 nm and 1299.91 nm with a spacing of 1.65 nm and a 3 dB bandwidth of 0.11 nm and 0.13 nm respectively are obtained. The pulse width induced by the dual-wavelength laser falls within the picosecond region, with a repetition rate of 389 KHz and a maximum average pulse energy of 5.4 nJ. © 2019 Astro Ltd.

Item Type: Article
Uncontrolled Keywords: dual-wavelength; fibre lasers; praseodymium doped fluoride (PDFFL)
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Faculty of Science > Department of Physics
Deputy Vice Chancellor (Research & Innovation) Office > Photonics Research Centre
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 19 May 2020 01:47
Last Modified: 19 May 2020 01:47

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