维普期刊资源整合服务平台（V6.5）

维普中文期刊产品整合服务

4篇 您的检索式：作者名="Han Yaofei"

选中清除导出查看参考文献查看引证文献引用追踪共1页首页上一页第1页下一页末页 /1 跳转

		题名	作者	年代	出处	被引量
	1	Optimal design of Er/Yb co-doped fiber amplifiers with an Yb-band fiber Bragg grating显示文摘In this paper, Er/Yb co-doped fiber amplifiers(EYDFAs) with an Yb-band fiber Bragg grating(FBG) at the pump end to improve the performance of the amplifier is systematically studied. The influence of the reflectivity and center wavelength of the FBG along with the gain-fiber length on the performance of an EYDFA are numerically analyzed. The results show that the wavelength of the FBG has critical influence on the efficiency of the EYDFA,whereas the requirement to its reflectivity is relaxed. It is an effective and promising way to improve the efficiency of a high-power pumped EYDFA by introducing a suitable Yb-band FBG at the pump end. Based on the analysis of the underlying principles, suggestions for the practical design and possible further improvement strategies are also proposed.	Qun Han Wenchuan Yan Yunzhi Yao Yaofei Chen Tiegen Liu	2016	Photonics Research2016，4，2：	3
	2	Fiber loop ring-down cavity integrated U-bent single-mode-fiber for magnetic field sensing显示文摘A novel magnetic field sensing system based on the fiber loop ring-down technique is proposed in this paper. In the fiber loop, a U-bent single-mode-fiber structure coated with magnetic fluid(MF) serves as the sensing head, and an erbium-doped fiber amplifier(EDFA) is introduced to compensate for the intrinsic loss of the cavity. The ring-down time of the system varies with the change of applied magnetic field due to the tunable absorption coefficient and refractive index of the MF. Therefore, measurement of the magnetic field can be realized by monitoring the ringdown time. The experimental results show that the performance of the system is extremely dependent on the interrogation wavelength, because both the gain of the EDFA and the loss of the sensing head are wavelength dependent.We found that at the optimal wavelength, the ratio of the gain to loss attained its maximum. The sensing system was experimentally demonstrated and a sensitivity of-0.5951 μs∕Oe was achieved.	Yaofei Chen Tiegen Liu Qun Han Wenchuan Yan Lin Yu	2016	Photonics Research2016，4，6：	3
	3	Back-to-back Th- ree-level Double-fed Induction Motor Control System for Mine Hoist显示文摘	Han Yaofei Tan Guojun Li Hao	2009	Procedia Earth and Planetary Science2009，1，1：	1
	4	Back-to-back three-lev- el double-fed induction motor control system for mine hoist 显示文摘	HAN Yaofei TAN Guojun LI Hao	2009	Procedia Earth and Planetary Science2009，1，1：	1

返回顶部每页显示：

共1页首页上一页第1页下一页末页 /1 跳转

goolge学术搜索-维普

网站首页 | 关于我们 | 联系我们 | 产品服务 | 客服中心 | 广告服务 | 版权声明 | 网站联盟 | 友情链接 | 售卡网点

版权所有© 渝B2-20050021-1　渝公网安备 50019002500403号　违法和不良信息举报中心

互联网出版许可证新出网证(渝)字10号全国400电话 - 免长途话费