| Hollow-core tapered coupler for large inner diameter hollow-core optical fibers |
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| 作者姓名： | 周桂耀 侯峙云 侯蓝田 刘继刚 |
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| 作者单位： | Institute of Infrared Optical Fibers & Sensors，Yanshan University，Qihuangdao 066004，Institute of Infrared Optical Fibers & Sensors，Yanshan University，Qihuangdao 066004，Institute of Infrared Optical Fibers & Sensors，Yanshan University，Qihuangdao 066004，Institute of Infrared Optical Fibers & Sensors，Yanshan University，Qihuangdao 066004 |
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| 摘 要： | A novel hollow-core tapered coupler has been theoretically designed and fabricated by fiber drawingmachine. The coupler's inner wall is coated with a polycrystalline GeO_2 film. The coupling loss ofhollow-core tapered coupler is about 0.2 dB. Hollow-core tapered coupler reduces the transmission loss ofhollow-core optical fiber(HCOF) by 0.5 dB/m, therefore the coupler is suitable for coupling high powerCO_2 laser in industrial application.
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Hollow-core tapered coupler for large inner diameter hollow-core optical fibers |
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| Abstract: | A novel hollow-core tapered coupler has been theoretically designed and fabricated by fiber drawing machine. The coupler's inner wall is coated with a polycrystalline GeO2 film. The coupling loss of hollow-core tapered coupler is about 0.2 dB. Hollow-core tapered coupler reduces the transmission loss of hollow-core optical fiber (HCOF) by 0.5 dB/m, therefore the coupler is suitable for coupling high power CO2 laser in industrial application. |
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