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. 19, 2001
Filed:
Jul. 23, 1999
Applicant:
Inventor:
Winfried Denk, Berkeley Heights, NJ (US);
Assignee:
Agere Systems Guardian, Orlando, FL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 5/30 ;
U.S. Cl.
CPC ...
G02B 5/30 ;
Abstract
The present invention is an inexpensive optical beam power controller for providing fast, continuous control of a linearly polarized optical beam, such as a beam from a laser. In essence, the controller comprises a birefringent plate tiltable in relation to the beam and a polarization analyzer. Alternative double pass embodiments reduce beam displacement and the required tilt angle.