229910052771 Terbium Inorganic materials 0.000 claims description 9.

239000000835 fiber Substances 0.000 claims abstract description 102.

230000003287 optical Effects 0.000 title claims abstract description 142.

Priority to US14/094,204 priority patent/US9268159B2/en Publication of US20140160565A1 publication Critical patent/US20140160565A1/en Publication of US9268159B2 publication Critical patent/US9268159B2/en Application granted granted Critical Assigned to BARCLAYS BANK PLC reassignment BARCLAYS BANK PLC NOTICE OF GRANT OF SECURITY INTEREST IN PATENTS Assignors: ELECTRO-OPTICS TECHNOLOGY, INCORPORATED Assigned to ELECTRO-OPTICS TECHNOLOGY, INCORPORATED reassignment ELECTRO-OPTICS TECHNOLOGY, INCORPORATED PATENT RELEASE AND REASSIGNMENT - RELEASE OF REEL/FRAME 056102/0865 Assignors: BARCLAYS BANK PLC, AS COLLATERAL AGENT Status Active legal-status Critical Current Adjusted expiration legal-status Critical Links

Assignors: Jalali, Amir A., Rogers, Evan M., SCERBAK, DAVID G. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). reassignment ELECTRO-OPTICS TECHNOLOGY, INC. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority to US201213673755A priority Critical Priority to US201261735421P priority Priority to US201261736733P priority Application filed by ELECTRO-OPTICS TECHNOLOGY Inc filed Critical ELECTRO-OPTICS TECHNOLOGY Inc Assigned to ELECTRO-OPTICS TECHNOLOGY, INC. Original Assignee ELECTRO-OPTICS TECHNOLOGY Inc Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Scerbak Current Assignee (The listed assignees may be inaccurate.

Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Granted Application number US14/094,204 Other versions US9268159B2 Google Patents US20140160565A1 - Low focal shift kw class optical isolator US20140160565A1 - Low focal shift kw class optical isolator

Alternative to optical isolator