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Steady Q-switched erbium-doped fiber laser pulse generation by exploiting spider silk as a passive saturable absorber

Spider silk is a biomaterial composed of natural protein that possesses unique strength and biocompatibility. Spider silk was explored for the first time that act as a potential saturable absorber (SA) for steady Q-switched erbium-doped fiber laser pulse generation around 1569 nm. The biocompatibili...

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Main Authors: Muhammad, Nur Ainnaa Mardhiah, Awang, Noor Azura, Basri, Hatijah, Abd Latif, Amirah, Zalkepali, Noor Ummi Hazirah Hani, Muhamad Zamri, Ain Zamira, Nik Mahmud, Nik Noor Haryatul Eleena
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Published: Elsevier BV 2024
Online Access:http://psasir.upm.edu.my/id/eprint/105657/
https://linkinghub.elsevier.com/retrieve/pii/S0030399223010630
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spelling my.upm.eprints.1056572024-06-27T08:02:53Z http://psasir.upm.edu.my/id/eprint/105657/ Steady Q-switched erbium-doped fiber laser pulse generation by exploiting spider silk as a passive saturable absorber Muhammad, Nur Ainnaa Mardhiah Awang, Noor Azura Basri, Hatijah Abd Latif, Amirah Zalkepali, Noor Ummi Hazirah Hani Muhamad Zamri, Ain Zamira Nik Mahmud, Nik Noor Haryatul Eleena Spider silk is a biomaterial composed of natural protein that possesses unique strength and biocompatibility. Spider silk was explored for the first time that act as a potential saturable absorber (SA) for steady Q-switched erbium-doped fiber laser pulse generation around 1569 nm. The biocompatibility of spider silk SA will lead to the realization of an environment that is free from hazardous precursors and undesirable byproducts. In this study, spider silk was directly deposited onto the end face of the fiber ferrule to complete the fiberized SA assembly. In optical characteristic context, the modulation depth of spider silk SA used was 26 % and its saturation intensity was 0.02 MW/cm2. Results showed that self-started Q-switched at 30 mW threshold pump power was achieved. It was also interesting to find that the repetition rate of spider silk SA increased from 7 kHz to 29 kHz while the pulse width decreased from 32 µs to 10 µs. The signal-to-noise ratio (SNR) of the fundamental frequency was 54 dB, confirming the good stability of the pulsed laser. The highest output power and pulse energy measured at the pump power of 200 mW were 0.04 mW and 1.4 nJ respectively. In a nutshell, these results indicate that spider silk can be a viable alternative to real SA for producing laser at the 1570 nm region and spider silk-based SA can be equally with or even superior to the commonly employed SAs, which then opens up new possibilities for pulsed laser source applications. Elsevier BV 2024-02 Article PeerReviewed Muhammad, Nur Ainnaa Mardhiah and Awang, Noor Azura and Basri, Hatijah and Abd Latif, Amirah and Zalkepali, Noor Ummi Hazirah Hani and Muhamad Zamri, Ain Zamira and Nik Mahmud, Nik Noor Haryatul Eleena (2024) Steady Q-switched erbium-doped fiber laser pulse generation by exploiting spider silk as a passive saturable absorber. Optics and Laser Technology, 169. art. no. 110170. ISSN 0030-3992 https://linkinghub.elsevier.com/retrieve/pii/S0030399223010630 10.1016/j.optlastec.2023.110170
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
description Spider silk is a biomaterial composed of natural protein that possesses unique strength and biocompatibility. Spider silk was explored for the first time that act as a potential saturable absorber (SA) for steady Q-switched erbium-doped fiber laser pulse generation around 1569 nm. The biocompatibility of spider silk SA will lead to the realization of an environment that is free from hazardous precursors and undesirable byproducts. In this study, spider silk was directly deposited onto the end face of the fiber ferrule to complete the fiberized SA assembly. In optical characteristic context, the modulation depth of spider silk SA used was 26 % and its saturation intensity was 0.02 MW/cm2. Results showed that self-started Q-switched at 30 mW threshold pump power was achieved. It was also interesting to find that the repetition rate of spider silk SA increased from 7 kHz to 29 kHz while the pulse width decreased from 32 µs to 10 µs. The signal-to-noise ratio (SNR) of the fundamental frequency was 54 dB, confirming the good stability of the pulsed laser. The highest output power and pulse energy measured at the pump power of 200 mW were 0.04 mW and 1.4 nJ respectively. In a nutshell, these results indicate that spider silk can be a viable alternative to real SA for producing laser at the 1570 nm region and spider silk-based SA can be equally with or even superior to the commonly employed SAs, which then opens up new possibilities for pulsed laser source applications.
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author Muhammad, Nur Ainnaa Mardhiah
Awang, Noor Azura
Basri, Hatijah
Abd Latif, Amirah
Zalkepali, Noor Ummi Hazirah Hani
Muhamad Zamri, Ain Zamira
Nik Mahmud, Nik Noor Haryatul Eleena
spellingShingle Muhammad, Nur Ainnaa Mardhiah
Awang, Noor Azura
Basri, Hatijah
Abd Latif, Amirah
Zalkepali, Noor Ummi Hazirah Hani
Muhamad Zamri, Ain Zamira
Nik Mahmud, Nik Noor Haryatul Eleena
Steady Q-switched erbium-doped fiber laser pulse generation by exploiting spider silk as a passive saturable absorber
author_facet Muhammad, Nur Ainnaa Mardhiah
Awang, Noor Azura
Basri, Hatijah
Abd Latif, Amirah
Zalkepali, Noor Ummi Hazirah Hani
Muhamad Zamri, Ain Zamira
Nik Mahmud, Nik Noor Haryatul Eleena
author_sort Muhammad, Nur Ainnaa Mardhiah
title Steady Q-switched erbium-doped fiber laser pulse generation by exploiting spider silk as a passive saturable absorber
title_short Steady Q-switched erbium-doped fiber laser pulse generation by exploiting spider silk as a passive saturable absorber
title_full Steady Q-switched erbium-doped fiber laser pulse generation by exploiting spider silk as a passive saturable absorber
title_fullStr Steady Q-switched erbium-doped fiber laser pulse generation by exploiting spider silk as a passive saturable absorber
title_full_unstemmed Steady Q-switched erbium-doped fiber laser pulse generation by exploiting spider silk as a passive saturable absorber
title_sort steady q-switched erbium-doped fiber laser pulse generation by exploiting spider silk as a passive saturable absorber
publisher Elsevier BV
publishDate 2024
url http://psasir.upm.edu.my/id/eprint/105657/
https://linkinghub.elsevier.com/retrieve/pii/S0030399223010630
_version_ 1803336820048527360
score 13.211869

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