Design and qualification of the mechanisms for the ALADIN instrument

Details Design and qualification of the mechanisms for the ALADIN instrument Design and qualification of the mechanisms for the ALADIN instrument

Jul 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005esasp.591...85s&link_type=abstract

In: Proceedings of the 11th European Space Mechanisms and Tribology Symposium, ESMATS 2005, 21-23 September 2005, Lucerne, Switz

Physics

Instruments Mechanisms

Scientific paper

The ALADIN Instrument is the only instrument on the ADM-AEOLUS Satellite, which is the second Earth Explorer Mission within the European Space Agency's Living Planet Programme. This instrument is based on the Direct Detection Doppler Wind Lidar concept, operating in the near UV band (355 nm). It uses the same telescope for both emission and reception. The instrument fires laser pulses towards the atmosphere and measures the Doppler shift of the returning signal, which is back-reflected at different levels of the atmosphere. Two mechanisms are present within the ALADIN Instrument, the Laser Chopper Assembly and the Flip-Flop Mechanism. This paper presents the design and qualification of these two mechanisms, which are currently being assembled and tested at Contraves Space AG. It also presents the major challenges during their development.

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