&lt;formula formulatype="inline"&gt;&lt;tex Notation="TeX"&gt;$Ka$&lt;/tex&gt; &lt;/formula&gt;-Band Multiple Feed per Beam Focal Array Using Interleaved Couplers

Leclerc, C.; Romier, Maxime; Aubert, Hervé; Annabi, A.

doi:10.1109/tmtt.2014.2320697

Cited by 16 publications

References 9 publications

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Could the space probe Philae^©be energized remotely?

Costanzo

Roselli

Georgiadis³

et al. 2019

Wirel Pow Transfer

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Space probes suffer from a fundamental problem, which is the limited energy available for their operation. Energy supply is essential for continuous operation and ultimately the most important sub-system for its sustainable functioning. Considering, for instance, the last space probe put on Comet 67P/Churyumov–Gerasimenko, called “Philae”, which was sent by Rosetta (http://www.esa.int/Our_Activities/Space_Science/Rosetta), to operate and to monitor comet activity, its operation was jeopardized due to the fact that it landed on a shadowed zone (no direct sunlight). Since its operational energy was only based on solar harvesters, the energy for its operation was limited by solar energy availability. In this paper a study on a viable alternative based on wireless power transmission is presented and discussed at the system level. It is proved that, using current technology, it is possible to create alternatives or supplement to existing power sources such as solar panels to power up these important space probes and to secure their operation.

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Could the space probe Philae^©be energized remotely?

Costanzo

Roselli

Georgiadis³

et al. 2019

Wirel Pow Transfer

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Imaging electric and magnetic near field of radiating structures by infrared thermography

Prost

Issac

Romier

2019

2019 International Symposium on Electromagnetic Compatibility - EMC EUROPE

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The characterization and visualization of the radiated electromagnetic field is a way to diagnose and check microwaves sources, in particular in the space industry. Beyond the traditional 3D scanning of the radiating element, infrared thermography is an alternative way that may give key results in a reduced time, since a few seconds are sufficient to obtain the emitted field map even for a complex multi-cells antenna. This method, called EMIR (ElectroMagnetic InfraRed) has been developed and used for years at ONERA. We have recently extended this technique to the magnetic field, which will lead to a complete characterization of the near field structure. We illustrate this feature in the particular cases of antennas for space application and for a High Impedance Surface (HIS), a metamaterial structure that could be used to reduce the coupling between antennas confined in compact structures (typically size constraints of the spatial components).

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