JPS5694326A - Optical switch - Google Patents

Optical switch

Info

Publication number
JPS5694326A
JPS5694326A JP17100779A JP17100779A JPS5694326A JP S5694326 A JPS5694326 A JP S5694326A JP 17100779 A JP17100779 A JP 17100779A JP 17100779 A JP17100779 A JP 17100779A JP S5694326 A JPS5694326 A JP S5694326A
Authority
JP
Japan
Prior art keywords
faces
polarization
electric field
crystal plate
axis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP17100779A
Other languages
English (en)
Inventor
Masataka Shirasaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
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 as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP17100779A priority Critical patent/JPS5694326A/ja
Publication of JPS5694326A publication Critical patent/JPS5694326A/ja
Pending legal-status Critical Current

Links

JP17100779A 1979-12-28 1979-12-28 Optical switch Pending JPS5694326A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17100779A JPS5694326A (en) 1979-12-28 1979-12-28 Optical switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17100779A JPS5694326A (en) 1979-12-28 1979-12-28 Optical switch

Publications (1)

Publication Number Publication Date
JPS5694326A true JPS5694326A (en) 1981-07-30

Family

ID=15915364

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17100779A Pending JPS5694326A (en) 1979-12-28 1979-12-28 Optical switch

Country Status (1)

Country Link
JP (1) JPS5694326A (ja)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6159312A (ja) * 1984-08-30 1986-03-26 Ricoh Co Ltd 光学素子
US5812304A (en) * 1995-08-29 1998-09-22 Fujitsu Limited Faraday rotator which generates a uniform magnetic field in a magnetic optical element
US5867300A (en) * 1996-03-01 1999-02-02 Fujitsu Limited Variable optical attenuator which applies a magnetic field to a faraday element to rotate the polarization of a light signal
US5889609A (en) * 1992-07-31 1999-03-30 Fujitsu Limited Optical attenuator
US6018411A (en) * 1996-11-29 2000-01-25 Fujitsu Limited Optical device utilizing magneto-optical effect
US6441955B1 (en) 1998-02-27 2002-08-27 Fujitsu Limited Light wavelength-multiplexing systems
US6496300B2 (en) 1998-02-27 2002-12-17 Fujitsu Limited Optical amplifier

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6159312A (ja) * 1984-08-30 1986-03-26 Ricoh Co Ltd 光学素子
US6018412A (en) * 1992-07-31 2000-01-25 Fujitsu Limited Optical attenuator
US5889609A (en) * 1992-07-31 1999-03-30 Fujitsu Limited Optical attenuator
US6275323B1 (en) 1992-07-31 2001-08-14 Fujitsu Limited Optical attenuator
US5812304A (en) * 1995-08-29 1998-09-22 Fujitsu Limited Faraday rotator which generates a uniform magnetic field in a magnetic optical element
US5867300A (en) * 1996-03-01 1999-02-02 Fujitsu Limited Variable optical attenuator which applies a magnetic field to a faraday element to rotate the polarization of a light signal
US5973821A (en) * 1996-03-01 1999-10-26 Fujitsu Limited Variable optical attenuator which applies a magnetic field to a faraday element to rotate the polarization of light signal
US6333806B1 (en) 1996-03-01 2001-12-25 Fujitsu Limited Variable optical attenuator which applies a magnetic field to a Faraday element to rotate the polarization of a light signal
US6570699B2 (en) 1996-03-01 2003-05-27 Fujitsu Limited Variable optical attenuator which applies a magnetic field to a Faraday element to rotate the polarization of a light signal
US6717713B2 (en) 1996-03-01 2004-04-06 Fujitsu Limited Variable optical attenuator which applies a magnetic field to a faraday element to rotate the polarization of a light signal
US6018411A (en) * 1996-11-29 2000-01-25 Fujitsu Limited Optical device utilizing magneto-optical effect
US6441955B1 (en) 1998-02-27 2002-08-27 Fujitsu Limited Light wavelength-multiplexing systems
US6496300B2 (en) 1998-02-27 2002-12-17 Fujitsu Limited Optical amplifier
US6919987B2 (en) 1998-02-27 2005-07-19 Fujitsu Limited Light wavelength-multiplexing systems

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