Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Zeshan A. Umar"'
Autor:
Umer Sayyab Khalid, Haroon Asghar, Hafsa Hameed, Muhammad Sohail, Adnan Khalil, Rizwan Ahmed, Zeshan A. Umar, Javed Iqbal, M. Aslam Baig
Publikováno v:
Heliyon, Vol 10, Iss 2, Pp e24478- (2024)
In this paper, the zirconia (ZrO2) nanoparticles-based saturable-absorber (SA) have been incorporated in an erbium-doped fiber laser (EDFL) cavity for achieving a Q-switched pulse operation. The implementation of the zirconia nanoparticles-based powd
Externí odkaz:
https://doaj.org/article/ae5ed6af591b42dc9291eadac32c358b
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-11 (2022)
Abstract In this paper, we present the performance and stability of an erbium-doped fiber laser (EDFL) based on ZnO saturable-absorber (SA) prepared using two schemes: solution method (SM) and pulsed laser deposition technique (PLDT). It was observed
Externí odkaz:
https://doaj.org/article/e74070fb7b614b0e82f184f960f29537
Autor:
Haroon Asghar, Umer Sayyab Khalid, Muhammad Sohail, Tahani A. Alrebdi, Zeshan A. Umar, A. M. Alshehri, Rizwan Ahmed, M. Aslam Baig
Publikováno v:
Micromachines, Vol 15, Iss 2, p 267 (2024)
This paper presents the investigations toward the direct use of bentonite clay (Al2H2O6Si) nanoparticles to act like a saturable absorber (SA) for the Q-switched pulse operation of an erbium-doped fiber laser (EDFL). The measured results reveal that
Externí odkaz:
https://doaj.org/article/a48e504f9cf64cde82a42db4d2c7b41f
Publikováno v:
Laser Induced Breakdown Spectroscopy (LIBS). :461-486
Autor:
Baig, Amir Fayyaz, Raheel Ali, Muhammad Waqas, Usman Liaqat, Rizwan Ahmad, Zeshan A. Umar, Muhammed A.
Publikováno v:
Minerals; Volume 13; Issue 6; Pages: 787
Rare earth elements are gaining significant importance in the scientific and technological fields for their exciting physical properties and characteristics. The aim of the present study was to determine rare earth elements (REEs) in geological ores
Publikováno v:
Spectrochimica Acta Part B: Atomic Spectroscopy. 198:106562
Publikováno v:
Laser Physics Letters. 19:075106
In the present work, for the first time, it is demonstrated that a zinc oxide (ZnO) thin film deposited directly on a fiber ferrule using a pulsed laser deposition (PLD) is a novel technique to prepare a saturable absorber (SA) for doped fiber lasers
Autor:
Nasar Ahmed, Rashad Mahmood, Zeshan Adeel Umar, Usman Liaqat, Muhammad Anwar ul Haq, Rizwan Ahmed, Pervaiz Ahmad, Syed Raza Ali Raza, Muhammad Aslam Baig
Publikováno v:
Physica B: Condensed Matter. 635:413841