Ismail, Elsayeda and Zolkopli, S. Muhammad Ashraf and Lokman, Muhammad Quisar and Yahaya, Hafizal and Wadi Harun, Sulaiman and Ahmad, Fauzan (2018) Q-switched erbium doped fiber laser incorporating antimony (III) telluride in polyvinyl alcohol as saturable absorber. Indonesian Journal of Electrical Engineering and Computer Science, 10 (2). pp. 409-415. ISSN 2502-4752
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Official URL: http://dx.doi.org/10.11591/ijeecs.v10.i2.pp409-415
Abstract
In this paper, we demonstrated a Q-switched erbium doped fiber laser (EDFL) incorporating Antimony (III) Telluride (Sb2Te3) in polyvinyl alchohol (PVA) as passive saturable absorber. The saturable absorber was fabricated by dissolving Antimony (III) Telluride powder into PVA solution and dry in the ambient temperature for 48 hours. Then, 1 mm2x 1 mm2Sb2Te3-PVA film based saturable absorber were sandwiched in between FC/PC ferrule for Q-switched laser generation. The stable and self-started Q-switched laser operates at center wavelength 1560 nm with 3 dB bandwidth of 0.23 nm. The laser operates at pump power of 29.3 mW until 84.9 mW with repetition rate of 20.99 kHz to 89.29 kHz and pulse width of 13.95 µs to 5.10 µs. At maximum pump power, the laser able to achieve pulse energy of 62.72 nJ and high signal to noise ratio of 71.4.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Q-Switched, Saturable absorber |
| Subjects: | T Technology > T Technology (General) |
| Divisions: | Malaysia-Japan International Institute of Technology |
| ID Code: | 86142 |
| Deposited By: | Widya Wahid |
| Deposited On: | 30 Aug 2020 08:57 |
| Last Modified: | 30 Aug 2020 08:57 |
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