Zakaria, Umi Namirah and Paul, Mukul Chandra and Das, Shyamal and Dhar, Anirban and Zulkipli, Nur Farhanah and Rosol, Ahmad Haziq Aiman and Yasin, Moh and Harun, Sulaiman Wadi (2022) Q-switched fiber laser with a hafnium-bismuth-erbium codoped fiber as gain medium and Sb2Te3 as saturable absorber. Journal of Russian Laser Research, 43 (3). pp. 339-345. ISSN 1071-2836, DOI https://doi.org/10.1007/s10946-022-10057-y.
Full text not available from this repository.Abstract
We successfully demonstrate Q-switched fiber laser with a 20 cm long Hafnium-Bismuth-Erbium codoped fiber (HBEDF) as an active medium in conjunction with Antimony Telluride (Sb2Te3) saturable absorber (SA). The HBEDF has an Erbium ion absorption coefficient of 100 dB/m at 980 nm; thus, the laser setup only requires a very short length of gain medium for lasing in the 1550 nm range. We realize the Sb2Te3 SA obtained by embedding the material into Polyvinyl Alcohol (PVA), and a Q-switched pulse train operating at 1560.7 nm is realized, using only a 20 cm long active fiber, when the prepared Sb2Te3 thin film is integrated into the laser ring cavity. The repetition rate of the Q-switched pulses is tunable from 47.7 to 74.8 kHz as the pump power is raised from the threshold value equal to 69.9 mW to a value of 105.0 mW. The maximum attainable pulse energy is 31.2 nJ. Our results indicate that the Sb2Te3 material is useful as an effective Q-switcher especially for the laser operation in 1.55 mu m range.
| Item Type: | Article |
|---|---|
| Funders: | SATU joint research scheme through the University of Malaya [Grant No: ST036-2020], Airlangga University [Grant No: 1127/UN3.14/PT/2020] |
| Uncontrolled Keywords: | Sb2Te3; Q-switching; Hafnium-Bismuth-Erbium codoped fiber |
| Subjects: | R Medicine > RE Ophthalmology |
| Divisions: | Faculty of Engineering > Department of Electrical Engineering |
| Depositing User: | Ms. Juhaida Abd Rahim |
| Date Deposited: | 18 Oct 2023 03:40 |
| Last Modified: | 18 Oct 2023 03:40 |
| URI: | http://eprints.um.edu.my/id/eprint/42153 |
Actions (login required)
 |
View Item |
