Patents Assigned to New Focus
  • Near-visible light detection method and apparatus
    Patent number: 6340820
    Abstract: Disclosed is an apparatus for detecting near-visible frequency light comprising a sensor which includes a near-visible to visible light conversion phosphor defining an active area and a covering having a thickness, the covering adapted to substantially protect the phosphor from degradation. The phosphor extends to within about a first distance of a flush portion of a first edge, the first distance corresponding approximately to the thickness of the covering. In an alternative embodiment, the active area comprises an aperture.
    Type: Grant
    Filed: February 4, 1999
    Date of Patent: January 22, 2002
    Assignee: New Focus
    Inventors: Katharine E. Youden, David F. Arnone, Mona Wallace, Robert Shine