Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Łukasz Sójka"'
Autor:
Łukasz Sójka, Bartłomiej Starzyk, Sławomir Sujecki, Łukasz Pajewski, Piotr Miluski, Jacek Żmojda, Wojciech A. Pisarski, Joanna Pisarska, Marcin Kochanowicz, Dominik Dorosz, Trevor M. Benson, David Furniss, Mark C. Farries, Angela B. Seddon
Publikováno v:
Ceramics International.
Autor:
Joel J. Nunes, Richard W. Crane, Zhuoqi Tang, Łukasz Sójka, Nikolaos Kalfagiannis, David Furniss, Mark C. Farries, Trevor M. Benson, Slawomir Sujecki, Angela B. Seddon
Publikováno v:
Optical Materials. 137:113543
Autor:
Trevor M. Benson, Sendy Phang, Emma R. Barney, David Mabwa, Slawomir Sujecki, Joel Nunes, N. Kalfagiannis, David Furniss, B. Xiao, Zhuoqi Tang, Łukasz Sójka, Angela B. Seddon, Mark Farries, Richard Crane
This Letter, to the best of our knowledge, reports mid-infrared fiber lasing beyond 5 µm at room temperature for the first time, C e 3 + -doped, chalcogenide glass, step index fiber employed in-band pumping with a 4.15 µm quantum cascade laser. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5613dd656d02a76ee87e5522c11ecee6
https://irep.ntu.ac.uk/id/eprint/44122/1/1455416_Kalfagiannis.pdf
https://irep.ntu.ac.uk/id/eprint/44122/1/1455416_Kalfagiannis.pdf
Autor:
Emma R. Barney, Zhuoqi Tang, Łukasz Sójka, Slawomir Sujecki, Trevor M. Benson, Joel Nunes, Angela B. Seddon, Sendy Phang, Richard Crane, Mark Farries, David Furniss
Publikováno v:
Optical Fibers and Sensors for Medical Diagnostics, Treatment and Environmental Applications XXI.
Mid-infrared (MIR) direct fiber lasers beyond 4 μm wavelength will deliver optimum beam quality of bright, spatially and temporally coherent light, routeable in MIR fiber-optics. They are being developed for applications including narrow-band biomol
Autor:
Richard W, Crane, Łukasz, Sójka, David, Furniss, Joel, Nunes, Emma, Barney, Mark C, Farries, Trevor M, Benson, Slawomir, Sujecki, Angela B, Seddon
Publikováno v:
Optics express. 28(8)
1000 ppmw Sm
Autor:
Łukasz Sójka, Slawomir Sujecki, Łukasz Pajewski, Samir Lamrini, Angela B. Seddon, Trevor M. Benson
Publikováno v:
Photonics Letters of Poland. 12:73
In this contribution the diode pumped high-power Er:ZBLAN laser operating at around 2.8 µm is reported. The laser produces 2 W output power with the slope efficiency of 24 % measured with respect to the incident pump power. Full Text: PDF References
Autor:
David Furniss, Slawomir Sujecki, Joel Nunes, Łukasz Sójka, Mark Farries, Angela B. Seddon, Trevor M. Benson, Richard Crane, Emma R. Barney
Publikováno v:
Optics Express. 28:12373
1000 ppmw Sm3+-doped Ge19.4Sb9.7Se67.9Ga3 atomic % chalcogenide bulk glass and unstructured fiber are prepared. Near- and mid-infrared absorption spectra of the bulk glass reveal Sm3+ electronic absorption bands, and extrinsic vibrational absorption
Autor:
Łukasz Sójka, Angela B. Seddon, Zhuoqi Tang, Elżbieta Bereś-Pawlik, H. Zhu, Slawomir Sujecki, David Furniss, Trevor M. Benson
We present a study of chalcogenide glass fiber lasers doped with Dy3+, Pr3+ or Tb3+ that would operate in the mid-infrared wavelength range. A set of chalcogenide glass samples doped with different concentrations of rare earth ions is fabricated. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7496435515a9e608d2309a5aa4a617e9
http://eprints.nottingham.ac.uk/2506/
http://eprints.nottingham.ac.uk/2506/
Autor:
Lukasz Sojka, Lukasz Pajewski, Samir Lamrini, Mark Farries, Trevor M. Benson, Angela B. Seddon, Slawomir Sujecki
Publikováno v:
Sensors, Vol 20, Iss 16, p 4642 (2020)
A diode-pumped Q-switched Er3+:ZBLAN double-clad, single-transverse mode fiber laser is practically realized. The Q-switched laser characteristics as a function of pump power, repetition rate, and fiber length are experimentally investigated. The res
Externí odkaz:
https://doaj.org/article/87206e6fd4024a0fa08c9d3674eba1fb
Autor:
Lukasz Sojka, Zhuoqi Tang, Dinuka Jayasuriya, Meili Shen, Joel Nunes, David Furniss, Mark Farries, Trevor M. Benson, Angela B. Seddon, Slawomir Sujecki
Publikováno v:
Applied Sciences, Vol 10, Iss 2, p 539 (2020)
A spontaneous emission fiber source operating in the mid-infrared (MIR) wavelength range from 3.5 to 8 µm is demonstrated for the first time at output power levels of at least 1 mW. The source is a Pr3+-doped selenide chalcogenide, multimode, glass
Externí odkaz:
https://doaj.org/article/018827908a984bf99b061431ecfc0b68