Generation of Q-switched thulium-doped fiber laser (TDFL) using differentsaturable absorbers
Document Type
Article
Publication Date
1-1-2016
Abstract
A Q-switched Thulium-doped Fiber Laser (TDFL) operating at approximately 2 µm wavelength is successfully generated by using four different saturable absorbers (SAs) which are nitrogen-doped graphene in PVA (NG:PVA), nitrogen-doped graphene in PEO (NG:PEO), single-walled carbon nanotube in PVA (SWCNT:PVA), and high pressure carbon monoxide carbon nanotube in PVA (CNTHiPCO:PVA). The SAs integrated in the cavity were able to provide the real saturable absorption in modulating the intra-cavity losses. SWCNT gives the best results with the highest repetition rate and lowest pulse width of 57.45 kHz and 1.958 nJ correspondingly as compared to the other three SAs.
Keywords
Saturable absorber, Q-switched
Divisions
Science
Funders
Ministry of Higher Education: Fundamental Research Grant Scheme (Vot. No: 4F595)
Publication Title
Jurnal Teknologi
Volume
78
Issue
5-9
Publisher
Penerbit UTM Press