The performances of 3.5 at.% Nd:LGSB bifunctional laser and nonlinear optical (NLO) crystal were investigated. A high-quality single crystal with incongruent melting, having dimensions of about 12 mm in diameter and 35 mm in length, was grown along the c-axis by the Czochralski technique. The phase-matching curve for type I second harmonic generation (SHG) was determined. Efficient laser emission at 1062 nm, along the phase-matching direction for SHG of 1062 nm radiation, was obtained under the pump at 807 nm with a fiber-coupled laser diode. The Nd:LGSB laser operated with a high slope efficiency of η_sa = 0.56 (with respect to the absorbed pump power), delivering the highest output power of 2.1 W for 4.04 W of absorbed pump power. Preliminary SFD experiments resulted in achieving a maximum green output power of 48 mW at 3.94 W absorbed pump power.

研究了 3.5 at.% Nd:LGSB 双功能激光器和非线性光学 (NLO) 晶体的性能。通过直拉技术沿c轴生长了直径约为 12 毫米、长度约为 35 毫米的高质量单晶，具有不一致的熔融。确定了 I 型二次谐波生成 (SHG) 的相位匹配曲线。沿着 1062 nm 辐射的 SHG 相位匹配方向，在 807 nm 泵浦下使用光纤耦合激光二极管获得了 1062 nm 的高效激光发射。Nd:LGSB 激光器以 η _sa的高斜率运行 = 0.56（相对于吸收的泵浦功率），对于 4.04 W 的吸收泵浦功率提供 2.1 W 的最高输出功率。初步 SFD 实验在 3.94 W 吸收泵浦功率下实现了 48 mW 的最大绿色输出功率。