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:
Dec. 03, 1985
Filed:
Feb. 07, 1983
Applicant:
Inventors:
Konrad Mathyssek, Zorneding, DE;
Hans Mahlein, Unterhaching, DE;
Assignee:
Siemens Aktiengesellschaft, Berlin & Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350394 ; 350286 ;
Abstract
An optical polarizer for an optical isolator has a dove prism having a selected geometric shape such that both the incident and emerging beams satisfy the Brewster condition at the respective entrance and exit faces. A further embodiment of the invention consists of the combination of two dove prisms with an intervening multiple layer. The polarizer can be easily adjusted with no reduction in the coupling efficiency with incoming light, can be manufactured inexpensively, and exhibits no parallel offset or astigmatism.