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  • Received: Jul. 9, 2019

    Accepted: --

    Posted: Sep. 17, 2020

    Published Online: Sep. 17, 2020

    The Author Email: Hu Bo (983919500@qq.com), Wu Yue-Hao (wuyuehao@nbu.edu.cn)

    DOI: 10.7498/aps.68.20191051

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    Bo Hu, Yue-Hao Wu, Yu-Lu Zheng, Shi-Xun Dai. Fabrication of tellurite glass microdisks with thermal pressing method[J]. Acta Physica Sinica, 2019, 68(24): 244203-1

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A typical batch of tellurite glass microspheres fabricated in this work. Inset: SEM image of a 92.13-μm diameter tellurite glass microdisk laser.实验制备的一批典型的碲酸盐玻璃微球(内插图为一颗直径为92.13 μm的碲酸盐玻璃微球的SEM图)

Fig. 1. A typical batch of tellurite glass microspheres fabricated in this work. Inset: SEM image of a 92.13-μm diameter tellurite glass microdisk laser.实验制备的一批典型的碲酸盐玻璃微球(内插图为一颗直径为92.13 μm的碲酸盐玻璃微球的SEM图)

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Schematic drawing of the second heating procedure.第二次加热示意图

Fig. 2. Schematic drawing of the second heating procedure.第二次加热示意图

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(a) Top-view and (b) side-view of a 254.78-μm-diameter microdisk fabricated with a 101.56-μm-diameter microsphere.由一个直径为101.56 μm的微球压出的直径为254.78 μm的微盘谐振腔的SEM照片 (a)俯视图; (b)侧视图

Fig. 3. (a) Top-view and (b) side-view of a 254.78-μm-diameter microdisk fabricated with a 101.56-μm-diameter microsphere.由一个直径为101.56 μm的微球压出的直径为254.78 μm的微盘谐振腔的SEM照片 (a)俯视图; (b)侧视图

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(a) Top-view and (b) side-view of a 101.52-μm-diameter microdisk fabricated with a 62.48-μm-diameter microsphere.由一个直径为62.48 μm的微球压出的直径为101.52 μm的微盘谐振腔的SEM照片 (a)俯视图; (b)侧视图

Fig. 4. (a) Top-view and (b) side-view of a 101.52-μm-diameter microdisk fabricated with a 62.48-μm-diameter microsphere.由一个直径为62.48 μm的微球压出的直径为101.52 μm的微盘谐振腔的SEM照片 (a)俯视图; (b)侧视图

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(a) A 105.74-μm-diameter microdisk coupled with a 1.83-μm-waist-diameter fiber taper; (b) a typical absorption peak at 1551.0058 nm, representing a Q-factor of 6.2 × 105.(a)一颗直径为105.74 μm的微盘与一根锥腰直径为1.83 μm的光纤锥耦合图; (b)在1551.0058 nm处获取的吸收峰(Q值为6.2 × 105)

Fig. 5. (a) A 105.74-μm-diameter microdisk coupled with a 1.83-μm-waist-diameter fiber taper; (b) a typical absorption peak at 1551.0058 nm, representing a Q-factor of 6.2 × 105. (a)一颗直径为105.74 μm的微盘与一根锥腰直径为1.83 μm的光纤锥耦合图; (b)在1551.0058 nm处获取的吸收峰(Q值为6.2 × 105)

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(a) Whispering gallery mode patterns obtained with a Nd3+-doped tellurite glass microdisk at different pump powers; (b) threshold behavior of the microdisk laser. Inset in panel (b) shows the transmission spectra of the coupling system at pump powers of 1.177 mW and 1.364 mW.(a)从一颗掺Nd3+的有源微盘谐振腔中获取的不同抽运功率下的回廊模; (b)微盘谐振腔的激光阈值现象(内插图为微盘谐振腔在抽运阈值附近(1.177 mW和1.364 mW)出现的激光峰)

Fig. 6. (a) Whispering gallery mode patterns obtained with a Nd3+-doped tellurite glass microdisk at different pump powers; (b) threshold behavior of the microdisk laser. Inset in panel (b) shows the transmission spectra of the coupling system at pump powers of 1.177 mW and 1.364 mW. (a)从一颗掺Nd3+的有源微盘谐振腔中获取的不同抽运功率下的回廊模; (b)微盘谐振腔的激光阈值现象(内插图为微盘谐振腔在抽运阈值附近(1.177 mW和1.364 mW)出现的激光峰)

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Threshold behavior of a Tm3+-doped microdisk laser (diameter: 104.34 μm, thickness: 15.86 μm). Inset: transmission spectra of the coupling system at pump powers of 0.928 mW and 1.306 mW.从一颗掺Tm3+微盘(直径为104.34 μm, 厚度为15.86 μm)中测得的激光阈值现象(内插图为微盘谐振腔在抽运阈值(0.928 mW和1.306 mW)附近出现的位于1908.63 nm处的激光峰)

Fig. 7. Threshold behavior of a Tm3+-doped microdisk laser (diameter: 104.34 μm, thickness: 15.86 μm). Inset: transmission spectra of the coupling system at pump powers of 0.928 mW and 1.306 mW. 从一颗掺Tm3+微盘(直径为104.34 μm, 厚度为15.86 μm)中测得的激光阈值现象(内插图为微盘谐振腔在抽运阈值(0.928 mW和1.306 mW)附近出现的位于1908.63 nm处的激光峰)

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