Intermodal interference of LP_(01) and LP_(11) modes inpanda fibers

• 作 者: 刘丰 曹德兰 郭璇 芦鑫
• 机 构: College of Information Science and Engineering, Yanshan University,
• 出 处: Chinese Optics Letters
• 发表日期: 2012年06期
• 关键词: panda exchanges verify normalized thoroughly elliptical cladding carefully photo

LP01 and LP11 mode interferences in high-birefringence (Hi-Bi) panda fibers are theoretically and experimentally presented. The propagation characteristics of both the fundamental and second-order modes in Hi-Bi panda fibers are investigated, and the interference output intensity distribution of the LP_01 and LP_11 modes in panda fibers are thoroughly examined. An experiment is conducted to verify the feasibility of modal interference sensors. The results show that the two-lobe interference pattern of panda fibers generates energy exchanges when external strain is applied on the fiber. Moreover, Hi-Bi panda fibers can be used to design voltage sensors.

LP01 and LP11 mode interferences in high-birefringence (Hi-Bi) panda fibers are theoretically and experimentally presented. The propagation characteristics of both the fundamental and second-order modes in Hi-Bi panda fibers are investigated, and the interference output intensity distribution of the experiments show that the two-lobe interference pattern of panda fibers generates energy exchanges when external strain is applied on the fiber. The results of the LP_01 and LP_11 modes in panda fibers are thoroughly examined. Moreover, Hi-Bi panda fibers can be used to design voltage sensors.