Zobrazeno 1 - 10
of 658
pro vyhledávání: '"Loiko Pavel"'
Publikováno v:
EPJ Web of Conferences, Vol 309, p 06022 (2024)
We report on an original chaotic dynamic behaviour of a passively Q-switched 2.3-μm Thulium laser operating on the 3H4 → 3H5 transition. The experiment employs a Tm:LiYF4 laser crystal within various laser cavity configurations, involving optional
Externí odkaz:
https://doaj.org/article/bd52ea11406e4b9c93714f419fbfb1b1
Autor:
Normani Simone, Loiko Pavel, Maksimov Roman, Shitov Vladislav, Osipov Vladimir, Braud Alain, Camy Patrice
Publikováno v:
EPJ Web of Conferences, Vol 309, p 06009 (2024)
Erbium-doped “mixed” yttria-scandia (ScxY1-x)2O3 transparent laser ceramics were fabricated by vacuum sintering at 1750 °C from laser-ablated nanoparticles. Their absorption and mid-infrared emission properties were studied. The addition of Sc3+
Externí odkaz:
https://doaj.org/article/46ca69e273814c759cab57e2bc547f42
Autor:
Dupont Hippolyte, Lenfant Timothée, Guillemot Lauren, Delen Xavier, Loiko Pavel, Braud Alain, Loiseau Pascal, Viana Bruno, Georges Thierry, Georges Patrick, Camy Patrice, Druon Frédéric
Publikováno v:
EPJ Web of Conferences, Vol 309, p 06008 (2024)
A Tm:LiYF4 laser operating on the 3H4 → 3H5 transition is integrated into a high-power diode-pumped Nd:ASL laser for intracavity upconversion pumping at 1.05 μm. This architecture leads to a record-high output power at 2.3 μm ever extracted from
Externí odkaz:
https://doaj.org/article/492d2eed50f84f16b5411144e9b1e559
Autor:
Demaimay Jonathan, Loiko Pavel, Gohier Ambre, Romero Carolina, Rodríguez Vázquez de Aldana Javier, Zhang Zhonghuan, Mateos Xavier, Xu Xiaodong, Camy Patrice, Braud Alain
Publikováno v:
EPJ Web of Conferences, Vol 309, p 06007 (2024)
Depressed cladding waveguides in a Dy:YAG crystal were fabricated by femtosecond direct laser writing. Their μ-luminescence characterization in the visible revealed well-preserved emission properties in the core region, a strong material modificatio
Externí odkaz:
https://doaj.org/article/9b2b59be7906483d95c52fd61d64db74
Autor:
Demaimay Jonathan, Kifle Esrom, Loiko Pavel, Pau Florence, Recoque Gilles, Georges Thierry, Rault Thiphaine, Bodin Laurine, Camy Patrice, Braud Alain
Publikováno v:
EPJ Web of Conferences, Vol 307, p 02011 (2024)
A yellow continuous-wave Dy:ZBLAN fiber laser generates 92 mW at 575 nm with a record-high optical efficiency of 12% and high beam quality (M2 ~1.5) via pumping by two high-brightness blue 450-nm GaN laser diodes.
Externí odkaz:
https://doaj.org/article/2208420e0ace4fe39c02570a57007bb1
Autor:
Baillard Amandine, Bae Ji Eun, Loiko Pavel, Solé Rosa Maria, Aguiló Magdalena, Díaz Francesc, Brasse Gurvan, Mateos Xavier, Camy Patrice
Publikováno v:
EPJ Web of Conferences, Vol 307, p 02010 (2024)
We report on polarized spectroscopy and deep-red laser operation of heavily Eu3+-doped KY(WO4)2 epitaxial layers. The waveguide laser delivered 7 mW at 705 mW with a linear polarization and a laser threshold of 22 mW.
Externí odkaz:
https://doaj.org/article/8a8bc0d0301c4bbe9adb1b3bdc134f2f
Autor:
Demaimay Jonathan, Loiko Pavel, Kifle Esrom, Pau Florence, Recoque Gilles, Benayad Abdelmjid, Georges Thierry, Camy Patrice, Braud Alain
Publikováno v:
EPJ Web of Conferences, Vol 307, p 04073 (2024)
We report on polarized spectroscopy and orange laser operation under 2ω-OPSL and GaN-diode pumping of Sm:LiYF4 crystals. The Samarium laser delivers 12 mW at 605 nm with a threshold of 51 mW and a linear polarization.
Externí odkaz:
https://doaj.org/article/032e30f3f9e444fa94704b2f65fec145
Autor:
Jambunathan Venkatesan, Loiko Pavel, Normani Simone, Basyrova Liza, Benayad Abdelmjid, Braud Alain, Hideur Ammar, Camy Patrice
Publikováno v:
EPJ Web of Conferences, Vol 307, p 04042 (2024)
The effect of doping level (0.1-10 at.%) on mid-infrared laser performance of Er:CaF2 crystals was investigated. The Er:CaF2 laser delivered 1.17 W at 2798 nm with 35.8% slope efficiency and was tuned across 2690-2830 nm.
Externí odkaz:
https://doaj.org/article/303054a2fce1499d830c65618185c528
Autor:
Bae Ji Eun, Gaulke Marco, Loiko Pavel, Heidrich Jonas, Golling Matthias, Idlahcen Said, Guillemot Lauren, Benayad Abdelmjid, Godin Thomas, Keller Ursula, Camy Patrice, Hideur Ammar
Publikováno v:
EPJ Web of Conferences, Vol 307, p 04048 (2024)
A Tm:LiYF4 laser operating on the 3H4→3H5 transition with upconversion pumping at 1.45 µm generates 831 mW at 2313 nm with 34.0% slope efficiency. Mode-locked by a GaSb- based SESAM, it delivers 855-fs pulses at 104.4-MHz.
Externí odkaz:
https://doaj.org/article/655f4edf6eb74794914c5941f2adc832
Autor:
Slimi Sami, Mateos Xavier, Yu Haohai, Zhang Huaijin, Kränkel Christian, Loiko Pavel, Solé Rosa Maria, Aguiló Magdalena, Díaz Francesc, Chen Weidong, Petrov Valentin, Griebner Uwe
Publikováno v:
EPJ Web of Conferences, Vol 307, p 04013 (2024)
We report on the crystal growth of a 2.86 at.% Ho:YGG crystal, its structural and spectroscopic characterization, as well as on its first laser operation near 2.1 µm under in-band pumping by a Tm-fiber laser.
Externí odkaz:
https://doaj.org/article/607b549e6797402790556e7457902c49