The optical diagnostics of DECLIC

Details The optical diagnostics of DECLIC The optical diagnostics of DECLIC

Jun 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004esasp.554..441l&link_type=abstract

In: Proceedings of the 5th International Conference on Space Optics (ICSO 2004), 30 March - 2 April 2004, Toulouse, France. Ed.:

Physics

Optics

Optical Diagnostics, Declic, International Space Station

Scientific paper

DECLIC is a joint CNES/NASA research program to be implemented in the International Space Station (ISS). The facility is dedicated to the study of materials science under microgravity, and the processing operations will take place in an ISS EXPRESS rack from 2006 to 2008. Command and control will be performed from ground thanks to the possibility for scientists to monitor quasi real time images from their space experiment. Its modular design will make it able to accommodate a large variety of experiments. Cells containing the materials are placed together with their specific instrumentation (heaters, actuators, and scientific probes) in inserts that can easily be put in and removed from an experiment locker. The latter provides several illumination sources to the samples, that are used for interferometry or microscopy observations as well as optical transmission or light scattering measurements. These measurements are done in the other side of the locker by different sensors (cameras, photodiode). A second locker provides power, supplies temperature regulation or experiment control as well as data handling. This paper focuses on the optical measurements: it will describe the different sources and sensors available in the facility and give their performance based on models or measurements done on different types of experiments along the qualification process of the engineering model.

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