The influence of pump power on the spectral peak shift of whispering gallery modes

作     者：Jiyou Wang*a , Fang Yuana, Lipu Wangb,Min Wanga (aThe College of applied sciences, Beijing University of technology, Beijing 100022, China bXingtai medical college, Xingtai, Hebei 054056,China) 

会议名称：《2007亚洲光电子会议先进的传感系统与应用分会场》

会议日期：2007年

学科分类：08[工学] 0803[工学-光学工程] 

关 键 词：glass microsphere whispering gallery modes rare earth luminescence 

摘      要：In this paper, the glass microsphere co-doped Er3+/Yb3+ was fabricated. Many regularly spaced, sharp peaks appeared in the emission spectra of the glass microspere. We report the laser power induce the spectral shift of the whispering-gallery-modes [WGMs] of a glass sphere. The laser power dependence of the WGMs spectral position is about 0.0252nm/mW under 976nm excitation. Maybe, the glass microsphere can be used as a temperature sensor.