Airships, reminiscent of zeppelin planes, which operate at an altitude of 20km will be discussed at a two-day meeting hosted by NUI Galway ithis week. The stratospheric airships are being used for communication infrastructure, remote sensing and other applications.
The two-day technical meeting will bring together over 50 experts in the fields of radio communication, optical communication and aircraft design.
The meeting is part of an EU project called HAPCOS, which is focussed on the development of high altitude platforms. Today’s HAPCOS meeting is being hosted by the Applied Optics Group from NUI Galway, whose research is integral to the transmission of optical data through the atmosphere from high altitudes to the ground.
According to Ruth Mackey, a researcher with the Applied Optics Group at NUI Galway, “Some of the main applications envisaged for this type of communications platform are for the deployment of immediate response communication networks in disaster recovery situations and to provide communications services to remote locations. These platforms are also being designed for remote sensing applications, for example for crop monitoring, traffic surveillance, or for security in areas such as monitoring the oceans for drug smuggling activity”.
In its research, the Applied Optics Group use results from a 3km terrestrial optical link, which has been established across Galway City. The link allows researchers to measure the effects of atmospheric turbulence on optical wave propagation and to investigate methods to compensate the atmospheric disturbance of the signal in real time, using adaptive optics.
Originally, adaptive optics was a technique developed for Astronomy, to correct the atmospherically degraded images from large Earth based telescopes. NUI Galway is heavily involved in finding use in medical and industrial applications for adaptive optics, in particular for in vivo imaging of the eye and for laser beam shaping.
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