![]() 239000000696 magnetic material Substances 0.000 description 34.239000002131 composite material Substances 0.000 description 38. ![]() 230000001419 dependent Effects 0.000 claims abstract description 46.230000003287 optical Effects 0.000 title claims abstract description 606.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority claimed from JP8-045231 external-priority Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd Priority to US10/411,139 priority Critical patent/US6717713B2/en Publication of US20030210451A1 publication Critical patent/US20030210451A1/en Application granted granted Critical Publication of US6717713B2 publication Critical patent/US6717713B2/en Anticipated expiration legal-status Critical Status Expired - Fee Related legal-status Critical Current Links Original Assignee Fujitsu Ltd 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.) ( en Inventor Hiroshi Onaka Nobuhiro Fukushima 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.) Expired - Fee Related Application number US10/411,139 Other versions US20030210451A1 Google Patents Variable optical attenuator which applies a magnetic field to a faraday element to rotate the polarization of a light signalÄownload PDF Info Publication number US6717713B2 US6717713B2 US10/411,139 US41113903A US6717713B2 US 6717713 B2 US6717713 B2 US 6717713B2 US 41113903 A US41113903 A US 41113903A US 6717713 B2 US6717713 B2 US 6717713B2 Authority US United States Prior art keywords polarization optical attenuator variable optical magnetic field faraday Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US6717713B2 - Variable optical attenuator which applies a magnetic field to a faraday element to rotate the polarization of a light signal US6717713B2 - Variable optical attenuator which applies a magnetic field to a faraday element to rotate the polarization of a light signal
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