Al-Hiti, Ahmed Shakir and Apsari, Retna and Yasin, Moh and Harun, Sulaiman Wadi (2021) Nanosecond Q-switched pulse generation using poly(3,4 ethylenedioxythiophene): Poly(4-styrenesulfonate) thin film as saturable absorber. Infrared Physics & Technology, 116. ISSN 1350-4495, DOI https://doi.org/10.1016/j.infrared.2021.103788.
Full text not available from this repository.Abstract
Q-switched Erbium-doped fiber laser (EDFL) was demonstrated utilizing poly(3,4 ethylenedioxythiophene): poly (4-styrenesulfonate) (PEDOT: PSS) as saturable absorber (SA). The proposed film was fabricated by mixing the PEDOT: PSS with polyvinyl alcohol (PVA). The nonlinear characterization was demonstrated, revealing a saturable absorption of 50%, a saturation intensity of 0.14 MW/cm2. and a non-saturable absorption of 44%. The SA was incorporated into a laser configuration to operate as a new passive Q-switcher for nanosecond pulse generation. The Q-switched laser operated at 1568.03 nm with a 3-dB bandwidth of 2.66 nm. The maximum pulse energy, high repetition rate, and minimum pulse width were obtained at 192.11 nJ, 108.69 kHz, and 580 ns, respectively. The nonlinear characterization was demonstrated, revealing a saturable absorption of 50%, a saturation intensity of 0.14 MW/cm2. and a non-saturable absorption of 44%. This is the first demonstration of utilizing PEDOT: PSS film as SA with an inexpensive preparation process to generate Q-switched pulses.
| Item Type: | Article |
|---|---|
| Funders: | Universiti Malaya (ML001-2017B), Fundamental Research Grant (2021) through Airlangga University |
| Uncontrolled Keywords: | Q-switched; Erbium-doped fiber laser; Saturable absorber; Energy efficiency |
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| Divisions: | Faculty of Engineering |
| Depositing User: | Ms. Juhaida Abd Rahim |
| Date Deposited: | 18 Mar 2022 08:15 |
| Last Modified: | 18 Mar 2022 08:15 |
| URI: | http://eprints.um.edu.my/id/eprint/26569 |
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