2 January 2019
According to the German TVöD 5
The Satellite Networks department plays since many years a leading role in Europe in the conception and investigation of novel system concepts, transmission techniques, protocols and applications for Satellite Communications.
One of its research groups is the Advanced Optical Technologies Group.
After the rapid growth of the former Optical Free-Space Communications Group to more than 10 members, in 2011 part of the group was formed into the Advanced Optical Technologies Group (AOT), which deals with the scientific research of future application fields of optical free-space transmission in general.
Earth-to-space communications will benefit strongly from Optical Transmission Technology due to its minimal signal beam spread. The performance of these links can be improved by an optical beacon source from the ground station location to the receiver’s position in space. However, the uplink signal suffers from atmospheric index-of-refraction turbulence, leading to angular beam-wander and intensity fluctuations. Adaptive Optics, a technique often used in astronomy, can in principle be used to pre-distort the beacon’s wave-front, leading to a corrected beam after the atmospheric link section. In order to correct the atmospherics effects an artificial reference can be used, by means of a Laser Guide Star (LGS), where the ground station provides a laser beam that allows probing the atmosphere through its backscatter signal.
Your main tasks within the research activities of the group will be:
Look forward to a fulfilling job with an employer who appreciates your commitment and supports your personal and professional development.
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Institute of Communications and Navigation
Phone: +49 8153 28-3986