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Optical interrogation system and method for increasing a read-out speed of a spectrometer

  • US 7,705,336 B2
  • Filed: 08/07/2006
  • Issued: 04/27/2010
  • Est. Priority Date: 08/08/2005
  • Status: Expired due to Fees
First Claim
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1. A method for increasing a read-out speed of a 1-D detector within an optical interrogation system, the optical interrogation system includes a launch system and a receive system, wherein said launch system directs a light beam towards a biosensor, and wherein said receive system includes a 1-D detector which receives a light beam out-coupled from said biosensor, the method comprising the steps of:

  • blocking a plurality of pixels located within said 1-D detector such that only a subset of pixels receive the light beam out-coupled from said biosensor;

    transferring a set of charges/voltages associated with the received light beam from the subset of pixels located within said 1-D detector before outputting from said 1-D detector a signal representative of a previously transferred set of charges/voltages associated with a previously received light beam; and

    processing the signal in a first-in and first-out sequence to determine an optical response corresponding to the previously transferred set of charges/voltages, wherein said optical response indicates whether or not there was a biological substance/bio-chemical interaction on top of said biosensor.

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