Passively Q-switched fiber lasers using a multi-walled carbon nanotube polymer composite based saturable absorber

We demonstrate a simple, compact and low cost Q-switched fiber lasers based on Erbium-doped fiber (EDF) and Thulium-doped fiber (TDF) to operate at 1534.5 nm and 1846.4 nm, respectively by exploiting a multi-walled carbon nanotubes (MWCNTs) polymer composite film based saturable absorber (SA). The c...

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Main Authors:	Azooz , Salam, M.H.M. Ahmed, Ahmed, F. Ahmad, Ahmed, B.A. Hamida, Belal, S. Khan, Sheroz, H. Ahmad, Hairth, S.W. Harun, Suliman
Format:	Article
Language:	English
Published:	Elsevier 2015
Subjects:	QC Physics
Online Access:	http://irep.iium.edu.my/49116/ http://irep.iium.edu.my/49116/ http://irep.iium.edu.my/49116/ http://irep.iium.edu.my/49116/1/%5B3%5D_Passively__Q-switched_fiber__lasers__using__a_multi-walled_carbon_Optik_-_International_Journal_for_Light_and_Electron_Optics.pdf

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spelling	iium-491162018-06-25T00:21:35Z http://irep.iium.edu.my/49116/ Passively Q-switched fiber lasers using a multi-walled carbon nanotube polymer composite based saturable absorber Azooz , Salam M.H.M. Ahmed, Ahmed F. Ahmad, Ahmed B.A. Hamida, Belal S. Khan, Sheroz H. Ahmad, Hairth S.W. Harun, Suliman QC Physics We demonstrate a simple, compact and low cost Q-switched fiber lasers based on Erbium-doped fiber (EDF) and Thulium-doped fiber (TDF) to operate at 1534.5 nm and 1846.4 nm, respectively by exploiting a multi-walled carbon nanotubes (MWCNTs) polymer composite film based saturable absorber (SA). The composite is prepared by mixing the MWCNTs homogeneous solution into a dilute polyvinyl alcohol polymer solution before it is left to dry at room temperature to produce thin film. Then the film is sandwiched between two FC/PC fiber connectors and integrated into the laser cavity for Q-switching pulse generation. The EDF laser generates a stable pulse train with repetition rates ranging from 38.11 kHz to 48.22 kHz by varying the 980 nm pump power from 39.0 mW to 65.3 mW. At the 65.3 mW pump power, the pulse width and pulse energy were 5.3 μs and 99.75 nJ, respectively. The TDF laser generates a stable pulse train with 10.38 kHz repetition rate, 17.52 μs pulse width and 11.34 nJ pulse energy at 121.1 mW 800 nm pump power. A higher performance Q switching is expected to be achieved in both fiber lasers with the optimization of the SA and laser cavity. Elsevier 2015-11 Article PeerReviewed application/pdf en http://irep.iium.edu.my/49116/1/%5B3%5D_Passively__Q-switched_fiber__lasers__using__a_multi-walled_carbon_Optik_-_International_Journal_for_Light_and_Electron_Optics.pdf Azooz , Salam and M.H.M. Ahmed, Ahmed and F. Ahmad, Ahmed and B.A. Hamida, Belal and S. Khan, Sheroz and H. Ahmad, Hairth and S.W. Harun, Suliman (2015) Passively Q-switched fiber lasers using a multi-walled carbon nanotube polymer composite based saturable absorber. Optik International Journal for Light and Electron Optics, 126 (21). pp. 1950-2954. ISSN 0030-4026 (In Press) http://www.sciencedirect.com/science/article/pii/S0030402615006178 doi:10.1016/j.ijleo.2015.07.065
repository_type	Digital Repository
institution_category	Local University
institution	International Islamic University Malaysia
building	IIUM Repository
collection	Online Access
language	English
topic	QC Physics
spellingShingle	QC Physics Azooz , Salam M.H.M. Ahmed, Ahmed F. Ahmad, Ahmed B.A. Hamida, Belal S. Khan, Sheroz H. Ahmad, Hairth S.W. Harun, Suliman Passively Q-switched fiber lasers using a multi-walled carbon nanotube polymer composite based saturable absorber
description	We demonstrate a simple, compact and low cost Q-switched fiber lasers based on Erbium-doped fiber (EDF) and Thulium-doped fiber (TDF) to operate at 1534.5 nm and 1846.4 nm, respectively by exploiting a multi-walled carbon nanotubes (MWCNTs) polymer composite film based saturable absorber (SA). The composite is prepared by mixing the MWCNTs homogeneous solution into a dilute polyvinyl alcohol polymer solution before it is left to dry at room temperature to produce thin film. Then the film is sandwiched between two FC/PC fiber connectors and integrated into the laser cavity for Q-switching pulse generation. The EDF laser generates a stable pulse train with repetition rates ranging from 38.11 kHz to 48.22 kHz by varying the 980 nm pump power from 39.0 mW to 65.3 mW. At the 65.3 mW pump power, the pulse width and pulse energy were 5.3 μs and 99.75 nJ, respectively. The TDF laser generates a stable pulse train with 10.38 kHz repetition rate, 17.52 μs pulse width and 11.34 nJ pulse energy at 121.1 mW 800 nm pump power. A higher performance Q switching is expected to be achieved in both fiber lasers with the optimization of the SA and laser cavity.
format	Article
author	Azooz , Salam M.H.M. Ahmed, Ahmed F. Ahmad, Ahmed B.A. Hamida, Belal S. Khan, Sheroz H. Ahmad, Hairth S.W. Harun, Suliman
author_facet	Azooz , Salam M.H.M. Ahmed, Ahmed F. Ahmad, Ahmed B.A. Hamida, Belal S. Khan, Sheroz H. Ahmad, Hairth S.W. Harun, Suliman
author_sort	Azooz , Salam
title	Passively Q-switched fiber lasers using a multi-walled carbon nanotube polymer composite based saturable absorber
title_short	Passively Q-switched fiber lasers using a multi-walled carbon nanotube polymer composite based saturable absorber
title_full	Passively Q-switched fiber lasers using a multi-walled carbon nanotube polymer composite based saturable absorber
title_fullStr	Passively Q-switched fiber lasers using a multi-walled carbon nanotube polymer composite based saturable absorber
title_full_unstemmed	Passively Q-switched fiber lasers using a multi-walled carbon nanotube polymer composite based saturable absorber
title_sort	passively q-switched fiber lasers using a multi-walled carbon nanotube polymer composite based saturable absorber
publisher	Elsevier
publishDate	2015
url	http://irep.iium.edu.my/49116/ http://irep.iium.edu.my/49116/ http://irep.iium.edu.my/49116/ http://irep.iium.edu.my/49116/1/%5B3%5D_Passively__Q-switched_fiber__lasers__using__a_multi-walled_carbon_Optik_-_International_Journal_for_Light_and_Electron_Optics.pdf
first_indexed	2023-09-18T21:09:29Z
last_indexed	2023-09-18T21:09:29Z
_version_	1777411156226342912

Passively Q-switched fiber lasers using a multi-walled carbon nanotube polymer composite based saturable absorber

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