Patents Assigned to Siemens Aktiengesellschaft & Balzers Aktiengesellschaft
  • Gas laser with a frequency-selective dielectric layer system
    Patent number: 4800568
    Abstract: An inert gas ion laser includes a Brewster window having a plurality of alternating layers of high and low refractive index materials for suppression of unwanted laser frequencies to produce a narrow band transmissive Brewster window with a high power output.
    Type: Grant
    Filed: January 29, 1986
    Date of Patent: January 24, 1989
    Assignee: Siemens Aktiengesellschaft & Balzers Aktiengesellschaft
    Inventors: Hans Krueger, Hans P. Good