中国激光, 2017, 44 (10): 1001003, 网络出版: 2017-10-18 复制并引用该论文  本文已被引 1 次  被引通知

图 & 表

图 1. (a)激光器系统图;(b)低圆度微球腔实物照片;(c)高圆度微球腔实物照片;(d)水平显微镜下锥形光纤-微球腔耦合实物图;(e)垂直显微镜下的锥形光纤-微球腔耦合实物图

Fig. 1. (a) Configuration of the proposed fiber laser; (b) picture of low-roundness microsphere cavity; (c) picture of high-roundness microsphere cavity; (d) picture of tapered fiber-microsphere cavity coupling system observed by a horizontal microscope; (e) picture of tapered fiber-microsphere cavity coupling system observed by a vertical microscope

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图 2. 不同偏振状态下入射光的WGM共振谱

Fig. 2. WGM resonant spectra of incident light in different polarization states

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图 3. 不同直径的锥形光纤与微球腔耦合获得的WGM共振谱

Fig. 3. WGM resonance spectra obtained by coupling of tapered fibers-microsphere cavity with different diameters

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图 4. 光纤激光器输出光谱图

Fig. 4. Spectra output of the fiber laser

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图 5. 光纤激光器输出光谱稳定性。 (a)每隔3 h测试的光谱;(b)输出光谱细节图

Fig. 5. Output spectral stability of the fiber laser. (a) Spectra measured every 3 hours; (b) detailed spectra

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图 6. 光纤激光器的斜率效率

Fig. 6. Slope efficiency of the fiber laser

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表 1不同直径锥形光纤-直径为195.2 μm的微球腔的耦合效率

Table1. Coupling efficiency of tapered fibers with different diameters-microsphere cavity with diameter of 195.2 μm

Diameter of tapered fiber /μm 3.3 3.5 3.7 3.9 4.3 4.58 5.3 Coupling efficiency /% 98.0 99.5 94.2 73.7 71.8 55.3 29.2

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万洪丹, 丁佐芹, 汪杰, 刘琳倩, 张祖兴. 基于高圆度微球腔选模的单纵模窄带光纤激光器[J]. 中国激光, 2017, 44(10): 1001003. Wan Hongdan, Ding Zuoqin, Wang Jie, Liu Linqian, Zhang Zuxing. Single-Longitudinal-Mode Narrow Linewidth Fiber Lasers Using High Roundness Microsphere as Mode Selector[J]. Chinese Journal of Lasers, 2017, 44(10): 1001003.