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Low-noise optical probes

  • US 20020026109A1
  • Filed: 07/03/2001
  • Published: 02/28/2002
  • Est. Priority Date: 03/21/1991
  • Status: Active Grant
First Claim
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12. An optical probe for the non-invasive measurement of characteristics of a medium, said optical probe comprising:

  • an emitter which transmits optical radiation;

    a detector configured to detect said optical radiation after attenuation through said medium;

    a flexible circuit assembly extending between said emitter and said detector, said flexible circuit assembly having electrical circuit paths for said detector and said emitter; and

    a cushion positioned between said detector and said emitter along said flexible circuit.

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