Physics – Optics
Scientific paper
Jun 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004esasp.554..471j&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
2
Interferometric Tomograph, Rocket-Borne
Scientific paper
A compact Interferometric Tomograph has flown on a MASER sounding rocket in spring 2002. This original instrument has been developed by Lambda-X (optics) and the Swedish Space Corporation-SSC (electronics) to measure 3-dimensional temperature (through refractive index) distribution in a liquid while it evaporates through a limited free surface. The tomograph includes 6 interferometers arranged symmetrically around a liquid cell. The paper describes the module and concentrates on the optical beam splitting and combining original systems that have been implemented in the compact instrument; holographic gratings are used to split the sole laser beam into 6 beams and to combine the 6 interferometer views on 2 CCD cameras. Finally, 3-dimensional temperature distributions reconstructed from flight data are presented.
Dupont Olivier
Joannes Luc
Löth Kenneth
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