Abstract
A high-quality Nd0.01:Gd0.89La0.1NbO4 (Nd:GLNO) crystal is grown by the Czochralski method, demonstrating wide absorption and fluorescence spectra and advantage for producing ultrafast laser pulses. In this paper, the tunable and passively mode-locking Nd:GLNO lasers are characterized for the first time. The tuning coverage is 34.87 nm ranging from 1058.05 to 1092.92 nm with a maximum output power of 4.6 W at 1065.29 nm. A stable continuous-wave (CW) passively mode-locking Nd:GLNO laser is achieved at 1065.26 nm, delivering a pulse width of 9.1 ps and a maximum CW mode-locking output power of 0.27 W.
Highlights
Ultrafast lasers have been applied in various fields, such as high-precision micro machining, aerospace, and medical diagnostics [1,2]
Figureof2a, absorption peak is at 808 nm and tal at room temperature
The Nd:GLNO crystal was grown by the Czochralski method and the Incharacteristics conclusion, the crystal was grown The by the Czochralski method an spectral at room temperature were discussed
Summary
Ultrafast lasers have been applied in various fields, such as high-precision micro machining, aerospace, and medical diagnostics [1,2]. Benefiting from their low quantum defects, wide gain bandwidth, and simple three-level electronic structure, Yb3+ -doped laser mediums attract widespread attention in the 1 μm band [3,4,5]. Compared with Yb3+ -doped gain mediums, Nd3+ -doped crystals have no reabsorption loss and are used in low-threshold and high-efficiency ultrafast laser. 0.80 nm, respectively [6,7] For this reason, considerable efforts have been made to explore novel Nd3+ -doped laser materials with a broad gain bandwidth.
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