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Statements

Subject Item
dbr:Rotational_modulation_collimator
rdf:type
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Rotational modulation collimator
rdfs:comment
Rotational modulation collimators (or RMCs) are a specialization of the , an imaging device invented by . Devices of this type create images of high energy X-rays (or other radiations that cast shadows). Since high energy X-rays are not easily focused, such optics have found applications in various instruments. RMCs selectively block and unblock X-rays in a way which depends on their incoming direction, converting image information into time variations. Various mathematical transformations can then reconstitute the image of the source.
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dbr:Collimator dbr:RHESSI dbr:X-ray dbr:Modulation_collimator dbr:Coded_aperture dbr:Modulation dbc:Astronomical_instruments dbr:Small_Astronomy_Satellite_3 dbr:Minoru_Oda
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Rotational modulation collimators (or RMCs) are a specialization of the , an imaging device invented by . Devices of this type create images of high energy X-rays (or other radiations that cast shadows). Since high energy X-rays are not easily focused, such optics have found applications in various instruments. RMCs selectively block and unblock X-rays in a way which depends on their incoming direction, converting image information into time variations. Various mathematical transformations can then reconstitute the image of the source. The Small Astronomy Satellite 3, launched in 1975, was one orbiting experiment that used RMCs. A more recent satellite that used RMCs wasRHESSI.
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