| 基于脉冲喷射技术的硫系玻璃光纤制备方法探索 |
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| 引用本文： | 郭永昶,李粲,冯少尉,陶海征,王会,李建强. 基于脉冲喷射技术的硫系玻璃光纤制备方法探索[J]. 硅酸盐通报, 2022, 41(11): 3756-3760 |
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| 作者姓名： | 郭永昶 李粲 冯少尉 陶海征 王会 李建强 |
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| 作者单位： | 北京科技大学材料科学与工程学院,北京 100083;中国科学院过程工程研究所,多相复杂系统国家重点实验室,北京 100190;中国科学院大学化学工程学院,北京 100049;中国科学院过程工程研究所,多相复杂系统国家重点实验室,北京 100190;武汉理工大学,硅酸盐建筑材料国家重点实验室,武汉 430070;武汉理工大学,硅酸盐建筑材料国家重点实验室,武汉 430070;中国科学院过程工程研究所,多相复杂系统国家重点实验室,北京 100190;中国科学院大学化学工程学院,北京 100049;中国科学院绿色过程制造创新研究院,北京 100190;北京科技大学材料科学与工程学院,北京 100083;中国科学院过程工程研究所,多相复杂系统国家重点实验室,北京 100190;中国科学院大学化学工程学院,北京 100049;中国科学院绿色过程制造创新研究院,北京 100190 |
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| 基金项目： | 北京市科学技术委员会、中关村科技园区管理委员会资助课题(Z221100006722022);国家自然科学基金(51972304,51971208);北京市科技项目(Z191100004819002);中国载人空间站科学实验项目;高校基本科研业务费 |
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| 摘 要： | 硫系玻璃光纤因具有独特的红外光学特性,在红外成像、激光传输和传感等诸多领域具有广阔的应用前景。目前,硫系玻璃光纤的拉制方法主要包括双坩埚法和预制棒拉制法。其中,双坩埚法装置复杂,预制棒拉制法需要提前制备高质量的预制棒。此外,这两种方法均要求玻璃具有较高的抗析晶能力,限制了硫系玻璃光纤新材料的开发。本工作创新性地将脉冲喷射技术引入到硫系玻璃光纤制备领域,通过硫系玻璃光纤纤芯的拉制,探索该方法在玻璃光纤制备上的可行性。通过对玻璃熔体施加持续性的脉冲扰动,坩埚底部小孔处能产生连续的射流,并且在下落过程中发生凝固,从而获得玻璃纤芯。采用该方法,成功制备了一种组成为Ge28Sb12Se60的玻璃光纤纤芯。脉冲喷射法具有装置简单、操作容易等优点,通过连续且规律的脉冲和坩埚内外压力差实现硫系玻璃光纤的拉制,与传统依靠重力拉制的方法相比,脉冲喷射法具有更为丰富的调控手段,从而为新型硫系玻璃光纤的制备提供参考。
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| 关 键 词： | 红外玻璃 玻璃光纤 硫系玻璃 Ge-Sb-Se玻璃 光纤纤芯制备 脉冲喷射法 |
| 收稿时间： | 2022-08-16 |
Exploration of Chalcogenide Glass Fiber Preparation Method Based on Pulse Injection Technology |
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| GUO Yongchang,LI Can,FENG Shaowei,TAO Haizheng,WANG Hui,LI Jianqiang. Exploration of Chalcogenide Glass Fiber Preparation Method Based on Pulse Injection Technology[J]. Bulletin of the Chinese Ceramic Society, 2022, 41(11): 3756-3760 |
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| Authors: | GUO Yongchang LI Can FENG Shaowei TAO Haizheng WANG Hui LI Jianqiang |
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| Abstract: | Due to their unique infrared optical properties, such as excellent transmission in infrared band, low phonon energy and good chemical stability, chalcogenide glass fiber has promising applications in many fields such as infrared imaging, laser transmission and sensing. At present, the preparation of chalcogenide glass optical fiber mainly includes double-crucible method and rod-in-tube method. The double-crucible method is complicated, and the rod-in-tube method needs to prepare high-quality preforms in advance. In addition, both methods require high crystallization resistance of glass, which limits the development of new materials for chalcogenide glass optical fiber. In this work, the pulse injection technology was innovatively introduced into the field of chalcogenide glass fiber preparation, and the feasibility of this method for glass fiber preparation by drawing chalcogenide glass fiber core was explored. By applying continuous pulse perturbation to glass melt, a continuous jet was generated at the bottom hole of the crucible and solidified during falling, resulting in glass fiber core. Using this method, a chalcogenide glass fiber with the composition of Ge28Sb12Se60 was successfully prepared. The pulse injection method is simple and easy to operate, and the pulling of chalcogenide glass fiber is achieved by continuous and regular pulses and pressure difference between the inside and outside of crucible, which has more abundant control means than traditional gravity-based glass fiber pulling. This method provides a potential reference for the preparation of new chalcogenide glass fiber. |
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| Keywords: | infrared glass glass fiber chalcogenide glass Ge-Sb-Se glass fiber core preparation pulse injection method |
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