Fiber coupling efficiency through turbulence medium for long and short exposures
Fiber-optic components have been used in high-speed free-space optical communication systems. The received laser beam in such a system must be coupled into a single-mode fiber at the input of the receiver module. However, laser propagation through atmospheric turbulence medium degrades pattern matching and limits the fiber-coupling efficiency. We numerically evaluate the fiber-coupling efficiency for size pattern matching degraded by atmospheric turbulence according to optical resolution for long and short exposures. If just long exposure is corrected little effect on coupling efficiency is improved. And in the case of weak turbulence when receiving aperture is 30cm the fiber coupling efficiency is more than 0.1 with correction system of long exposure.
component laser communication atmosphere
Xin Zhao Huilin Jiang Hanyu Zheng
Nation defence key study laboratory of air to ground lasercommunication techniqueChangchun Universit Nation defence key study laboratory of air to ground laser communication technique Changchun Univers School of Information and electronics Beijing Institute ofTechnologyBeijing, Chia
国际会议
2012 International Conference on Optoelectronics and Microelectronics(2012光电子与微电子国际学术会议 2012 ICOM)
长春
英文
334-336
2012-08-23（万方平台首次上网日期，不代表论文的发表时间）