Optical apparatus
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United States of America Patent
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Apr 19, 2011
Grant Date -
Jan 14, 2010
app pub date -
Sep 8, 2009
filing date -
Jan 31, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
Various optical apparatus, in particular embodiments, may provide a source of parallel light (7, 75). The parallel light (7, 75) may be generally achieved by directing an incident beam at the apex of a prism (1, 22, 24, 26, 28). The prism may have varying configurations. One configuration has a forward conical face (24). Another configuration has a pyramidal forward end (22). Other configurations are also disclosed. Various optical methods and methods for flow cytometry are also disclosed.
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