Patents by Inventor Krysztof Nowak

Krysztof Nowak 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).

  • Regenerative amplifier, laser apparatus, and extreme ultraviolet light generation system
    Patent number: 8625190
    Abstract: A regenerative amplifier according to one aspect of this disclosure is used in combination with a laser device, and the regenerative amplifier may include: a pair of resonator mirrors constituting an optical resonator; a slab amplifier provided between the pair of the resonator mirrors for amplifying a laser beam with a predetermined wavelength outputted from the laser device; and an optical system disposed to configure a multipass optical path along which the laser beam is reciprocated inside the slab amplifier, the optical system transferring an optical image of the laser beam at a first position as an optical image of the laser beam at a second position.
    Type: Grant
    Filed: March 7, 2011
    Date of Patent: January 7, 2014
    Assignee: Gigaphoton Inc.
    Inventors: Krysztof Nowak, Takashi Suganuma, Osamu Wakabayashi