Tin oxide as a Q-switcher in an Nd-doped fiber laser

Zhang, Pei and Nizamani, Bilal and Salam, Sameer and Alghamdi, Turki Ali and Aminuddin Jafry, Afiq Arif and Azooz, S. M. and Harun, Sulaiman Wadi (2024) Tin oxide as a Q-switcher in an Nd-doped fiber laser. Microwave and Optical Technology Letters, 66 (1). ISSN 0895-2477, DOI https://doi.org/10.1002/mop.34002.

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Official URL: https://doi.org/10.1002/mop.34002


A 1089 nm Q-switched laser has been successfully developed by using a neodymium-doped fiber (NDF) as a gain medium and tin oxide (SnO2) material as a saturable absorber (SA). The SnO2 SA was obtained by embedding the compound into a polyvinyl alcohol (PVA) host polymer so that it can be easily integrated into an NDF laser (NDFL) configuration to modulate the cavity loss for pulsing operation. The laser output pulse duration and repetition rate changed from 6.7 to 4.2 mu s and from 55.8 to 72.5 kHz, respectively, when the 808 nm pumping power increased from 160.0 to 252.7 mW. The laser exhibited a stable output since we recorded a signal-to-background noise ratio of 46.4 dB. We believe that this work is the first to address SnO2 as SA in an NDFL cavity.

Item Type: Article
Funders: Education Department of Hunan Province [22A0544], Science and technology innovation program of Hunan, China [2021RC5012], Key Laboratory of Hunan Province for 3D Scene Visualization and Intelligence Education [2023TP1038]
Uncontrolled Keywords: Nd-doped fiber laser; passive absorber; Q-switcher; SnO2
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering > Department of Electrical Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 21 Jun 2024 03:17
Last Modified: 21 Jun 2024 03:17
URI: http://eprints.um.edu.my/id/eprint/44213

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