激光技术, 2010, 34 (3): 377, 网络出版: 2010-08-31  

WO3对掺铒碲酸盐玻璃的光谱性质的影响

Effect of WO3 on the spectroscopic properties of Er3+-doped telluride glass
作者单位
哈尔滨师范大学物理系,哈尔滨 150025
摘要
为了满足光通信技术发展对光放大器材料的带宽要求,采用固相法制备了掺铒碲钨酸盐玻璃,研究了其光谱性质和热稳定性。用Judd-Ofelt理论计算了光谱的强度参量,根据McCumber理论计算了受激发射截面,其最大受激发射截面为1.85×10-20cm2,荧光半峰全宽最大值为104nm;用差热法分析了玻璃的热稳定性,析晶温度和转变温度之差最大值为131℃。结果表明,掺铒碲钨酸盐玻璃是一种良好的宽带放大器材料。
Abstract
Because of the need for broad bandwidth of optical material in optical communication, tungsten-tellurite glass was prepared by means of solid-phase. Its optical properties and thermal stability were studied. Spectral intensity parameters were calculated based on Judd-Oflet theory. According to the McCumber theory, its emission cross section was simulated with a maximum value of 1.85 × 10-20cm2 and a maximum full width half maximum of 104nm. The thermal stability of glass was analyzed with a maximum differential thermal temperature ΔT of 131℃(difference between glass transition temperature Tg and crystallization temperature Tx ). The results show that the erbium-doped tungsten-tellurite glass is a good material for broad bandwidth amplifiers.

刘丽莎, 吕树臣, 孙江亭. WO3对掺铒碲酸盐玻璃的光谱性质的影响[J]. 激光技术, 2010, 34(3): 377. LIU Li-sha, LV Shu-chen, SUN Jiang-ting. Effect of WO3 on the spectroscopic properties of Er3+-doped telluride glass[J]. Laser Technology, 2010, 34(3): 377.

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