Computer Science
Scientific paper
Jan 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002iaf..confe.541h&link_type=abstract
IAF abstracts, 34th COSPAR Scientific Assembly, The Second World Space Congress, held 10-19 October, 2002 in Houston, TX, USA.,
Computer Science
Scientific paper
A new type of microscope, referred to as a Confocal Holography (CH) microscope, is being constructed at the Canadian Space Agency and will be tested for use in microgravity experiments involving the non-intrusive measurement of temperatures and compositions in objects in order to better diagnose mass and heat transfer mechanisms. This microscope generates three dimensional amplitude and phase images from holograms taken from points on the surfaces, as well as, from points inside transparent objects. Combining the design concepts of confocal scanning laser microscopes and holography microscopes created the CH microscope. The CH microscope will enable for the first time the measurement of both the phase and amplitude of a beam inside an object. The complete amplitude and phase image of the object consists of all the measured amplitudes and phases of the three dimensional points, combined in proper registry. From the phase information obtained, the refractive index of the object can be determined, which can be used to obtain the object's absolute state, such as its absolute temperature and absolute composition, information that is necessary for high-level science experiments, studying heat and mass transport.
Herring Rodney A.
Laurin Denis
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