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Dual-wavelength Nd:CaLnAlO4 lasers at 1.365 and 1.390 µm
Author(s): Pavel Loiko; Josep Maria Serres; Xavier Mateos; Xiaodong Xu; Jun Xu; Uwe Griebner; Valentin Petrov; Magdalena Aguiló; Francesc Díaz; Arkady Major
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Paper Abstract

Tetragonal calcium rare-earth aluminates, CaLnAlO4, are attractive laser host crystals. The emission of Nd3+ ions at 1.3- 1.4 μm due to the 4F3/24I13/2 transition is of interest for medicine, fiber optics, and light conversion. We report on compact Nd:CaLnAlO4 lasers using a plane-plane cavity. With an a-cut 0.8 at.% Nd:CaYAlO4 crystal diode-pumped at 802 nm, a maximum continuous-wave output power of 365 mW was achieved at 1.365 & 1.390 μm corresponding to the σ-polarization. The 4F3/24I13/2 laser performance of the Nd:CaLnAlO4 crystals was compared to that from a monoclinic Nd:KGd(WO4)2. At the 4F3/24I11/2 transition (1.08 μm), a Nd:CaYAlO4 micro-laser generated multi-watt output (>4 W) with a slope efficiency of 39%.

Paper Details

Date Published: 15 February 2018
PDF: 8 pages
Proc. SPIE 10511, Solid State Lasers XXVII: Technology and Devices, 105111V (15 February 2018); doi: 10.1117/12.2289169
Show Author Affiliations
Pavel Loiko, ITMO Univ. (Russian Federation)
Josep Maria Serres, Univ. Rovira i Virgili (Spain)
Xavier Mateos, Univ. Rovira i Virgili (Spain)
Xiaodong Xu, Jiangsu Normal Univ. (China)
Jun Xu, Tongji Univ. (China)
Uwe Griebner, Max-Born-Institut für Nichtlineare Optik und Kurzzeitspektroskopie (Germany)
Valentin Petrov, Max-Born-Institut für Nichtlineare Optik und Kurzzeitspektroskopie (Germany)
Magdalena Aguiló, Univ. Rovira i Virgili (Spain)
Francesc Díaz, Univ. Rovira i Virgili (Spain)
Arkady Major, Univ. of Manitoba (Canada)


Published in SPIE Proceedings Vol. 10511:
Solid State Lasers XXVII: Technology and Devices
W. Andrew Clarkson; Ramesh K. Shori, Editor(s)

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