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Resonant-cavity apparatus for cytometry or particle analysis

  • US 5,793,485 A
  • Filed: 01/13/1997
  • Issued: 08/11/1998
  • Est. Priority Date: 03/20/1995
  • Status: Expired due to Term
First Claim
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1. Apparatus for analyzing cells or particles comprising:

  • (a) a resonant optical cavity comprising a pair of adjacent mirrors oriented parallel to each other, and further including a semiconductor optical gain medium located between the mirrors and an analysis region located between the mirrors for containing at least one cell or particle to be analyzed; and

    (b) pump means for activating the gain medium to generate spontaneous emission within the resonant optical cavity, with the spontaneous emission having information about the cell or particle encoded thereupon.

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