中国激光, 2020, 47 (4): 0401004, 网络出版: 2020-04-08 复制并引用该论文  本文已被引 2 次  被引通知

图 & 表

图 1. 当a和b取不同值时,增益光纤的辐致损耗。(a)辐致损耗曲线;(b)图1(a)虚线框部分的细节图

Fig. 1. Radiation-induced loss of gain fiber with different a and b. (a) Radiation-induced loss curves; (b) detailed view of dotted frame in Fig.1(a)

下载图片 查看原文

图 2. 当a和b取不同值时,光纤激光器的输出功率

Fig. 2. Output power of fiber laser with different a and b

下载图片 查看原文

图 3. 采用不同长度增益光纤时,激光器的输出功率

Fig. 3. Output power of fiber laser with different gain fiber lengths

下载图片 查看原文

图 4. 采用不同泵浦方式时,激光器的输出功率

Fig. 4. Output power of fiber laser with different pumping configurations

下载图片 查看原文

图 5. 前向泵浦激光器增益光纤的特性曲线。(a)信号光和泵浦光功率;(b)纤芯温升

Fig. 5. Characteristic curves of gain fiber in forward-pumped lasers. (a) Power of signal light and pump light; (b) temperature rise in the fiber core

下载图片 查看原文

图 6. 双端泵浦激光器增益光纤的特性曲线。(a)信号光和泵浦光功率;(b)纤芯温升

Fig. 6. Characteristic curves of gain fiber in bi-direction pumped lasers. (a) Power of signal light and pump light; (b) temperature rise in the fiber core

下载图片 查看原文

图 7. 后向泵浦激光器增益光纤的特性曲线。(a)信号光和泵浦光功率;(b)纤芯温升

Fig. 7. Characteristic curves of gain fiber in backward-pumped lasers. (a) Power of signal light and pump light; (b) temperature rise in the fiber core

下载图片 查看原文

表 1仿真参数

Table1. Parameters of simulation

Parameter Value Parameter Value λp 976 nm σap 2.47×10-24 m2 λs 1 070 nm σep 2.44×10-24 m2 Γp 0.0025 σes 3.93×10-27 m2 Γs 0.9586 σas 3.31×10-25 m2 αp 0.003 m-1 τ 0.9×10-3 s αs 0.005 m-1 N 5×1025 cm-3 R1 0.99 R2 0.04 r1 10×10-6 m k1 1.38 W·m-1·K-1 r2 200×10-6 m k2 1.38 W·m-1·K-1 r3 275×10-6 m k3 0.2 W·m-1·K-1

查看原文

表 2激光器的输出功率及光-光转换效率

Table2. Output power and optical-to-optical conversion efficiency of fiber lasers

Radiationdose /Gy Forward pumping Bi-direction pumping Backward pumping Output power /W Efficiency /% Output power /W Efficiency /% Output power /W Efficiency /% 0 833.78 83.38 845.67 84.57 853.49 85.35 1000 165.96 16.60 301.47 30.15 351.77 35.18

查看原文

表 3纤芯最高温升及其位置

Table3. Max temperature rise and the corresponding position

Radiationdose /Gy Forward pumping Bi-direction pumping Backward pumping Max ΔT /K Position /m Max ΔT /K Position /m Max ΔT /K Position /m 0 32.01 0 21.94 13.6 37.35 13.6 1000 63.27 3.51 64.94 13.6 86.79 13.6

查看原文

谌鸿伟, 陶蒙蒙, 赵海川, 赵柳, 栾昆鹏, 沈炎龙, 黄珂, 冯国斌. γ射线作用下光纤激光器的功率特性及热效应分析[J]. 中国激光, 2020, 47(4): 0401004. Chen Hongwei, Tao Mengmeng, Zhao Haichuan, Zhao Liu, Luan Kunpeng, Shen Yanlong, Huang Ke, Feng Guobin. Power Characteristics and Thermal Effects of the Gamma-Ray Radiated Fiber Lasers[J]. Chinese Journal of Lasers, 2020, 47(4): 0401004.