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15 February 2018 Dual-wavelength Nd:CaLnAlO4 lasers at 1.365 and 1.390 μm
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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%.
© (2018) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Pavel Loiko, Josep Maria Serres, Xavier Mateos, Xiaodong Xu, Jun Xu, Uwe Griebner, Valentin Petrov, Magdalena Aguiló, Francesc Díaz, and Arkady Major "Dual-wavelength Nd:CaLnAlO4 lasers at 1.365 and 1.390 μm", Proc. SPIE 10511, Solid State Lasers XXVII: Technology and Devices, 105111V (15 February 2018);

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