Patents by Inventor Stuart David Butterworth

Stuart David Butterworth has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Off-peak optical pumping of yttrium orthovanadate
    Patent number: 7203214
    Abstract: A laser includes an Nd:YVO4 crystal end-pumped with diode-laser light having a wavelength at which the absorption coefficient for Nd:YVO4 is less than about 0.35 (35%) of the absorption coefficient at 808 nm.
    Type: Grant
    Filed: March 16, 2005
    Date of Patent: April 10, 2007
    Assignee: Coherent, Inc.
    Inventor: Stuart David Butterworth
  • Off-peak optical pumping of yttrium orthovanadate
    Patent number: 6898231
    Abstract: A laser includes an Nd:YVO4 crystal end-pumped with diode-laser light having a wavelength at which the absorption coefficient for Nd:YVO4 is less than about 0.35 (35%) of the absorption coefficient at 808 nm.
    Type: Grant
    Filed: December 20, 2002
    Date of Patent: May 24, 2005
    Assignee: Coherent, Inc.
    Inventor: Stuart David Butterworth
  • Off-peak optical pumping of yttrium orthovanadate
    Publication number: 20040101015
    Abstract: A laser includes an Nd:YVO4 crystal end-pumped with diode-laser light having a wavelength at which the absorption coefficient for Nd:YVO4 is less than about 0.35 (35%) of the absorption coefficient at 808 nm.
    Type: Application
    Filed: December 20, 2002
    Publication date: May 27, 2004
    Inventor: Stuart David Butterworth