The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 20, 1995
Filed:
Apr. 28, 1994
Wayne S Mefferd, Los Altos Hills, CA (US);
William P Kolb, Redwood City, CA (US);
Coherent, Inc., Santa Clara, CA (US);
Abstract
A laser system is disclosed which is capable of selectively generating radiation at two competing wavelength regions. A gas discharge tube is provided which includes krypton as the lasing medium. A primary mirror is mounted at one of the tube. A switchable mirror assembly is mounted at the other end of the tube. The mirror assembly includes a frame. A cradle is pivotally mounted in the frame and is rotatable between two angular positions. A pair of mirrors are mounted to the cradle in a manner such for each of the two angular positions of the cradle, one of the two mirrors is in optical alignment with discharge tube. Each of the mirrors is provided with a wavelength selective coating which permits operation of the laser at different wavelengths. In the preferred embodiment used for ophthalmic applications, the laser can selectively generate red light or light in the yellow/green regime.