Research on theory and technology for improving optical receiver efficiency in turbulent atmosphere

Rui Bie; Xiuhua Yuan

doi:10.1117/12.843383

28 October 2009 Research on theory and technology for improving optical receiver efficiency in turbulent atmosphere

Rui Bie, Xiuhua Yuan

Proceedings Volume 7514, Photonics and Optoelectronics Meetings (POEM) 2009: Fiber Optic Communication and Sensors; 751410 (2009) https://doi.org/10.1117/12.843383
Event: Photonics and Optoelectronics Meetings 2009, 2009, Wuhan, China

Abstract

FSO has some significant advantages such as bandwidths, high-data-rate of transfer and less mass, power and volume, and no regulatory restrictions for using frequencies and bandwidths. Atmospheric turbulence is an important factor that constrains the performance of FSO; most of researchers have always been in search of methods to solve this problem. In recent years, the principle and technology of adaptive optics (AO) have been applied to eliminate the influences of turbulent atmosphere. But for a long time, efforts in the traditional AO methods focus on compensating the turbulence on the pupil plane of imaging system, ignoring the differences between the imaging system and FSO. This paper presents a novel space optical receiver that adjusts the wavefront in the rear focal plane of a lens. It is different from common AO technology that system takes the maximum light energy coupled into a fiber as the estimate parameter for reconfiguration wavefront, according to demands for FSO, and realizes a high-speed wavefront compensation receiver without wavefront sensor. Based on these theories, some simulation analysis is implemented and results are compared with traditional AO, it shows that our technique has the better performances than that of general AO. Finally, the farther work and potential application on FSO are discussed in this paper.

Citation Download Citation

Rui Bie and Xiuhua Yuan "Research on theory and technology for improving optical receiver efficiency in turbulent atmosphere", Proc. SPIE 7514, Photonics and Optoelectronics Meetings (POEM) 2009: Fiber Optic Communication and Sensors, 751410 (28 October 2009); https://doi.org/10.1117/12.843383

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