GB0219794D0 - A variable optical attenuator - Google Patents

A variable optical attenuator

Info

Publication number
GB0219794D0
GB0219794D0 GB0219794A GB0219794A GB0219794D0 GB 0219794 D0 GB0219794 D0 GB 0219794D0 GB 0219794 A GB0219794 A GB 0219794A GB 0219794 A GB0219794 A GB 0219794A GB 0219794 D0 GB0219794 D0 GB 0219794D0
Authority
GB
United Kingdom
Prior art keywords
variable optical
optical attenuator
attenuator
variable
optical
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.)
Ceased
Application number
GB0219794A
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.)
Kaiam Europe Ltd
Original Assignee
Alcatel Optronics UK 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 Alcatel Optronics UK Ltd filed Critical Alcatel Optronics UK Ltd
Priority to GB0219794A priority Critical patent/GB0219794D0/en
Publication of GB0219794D0 publication Critical patent/GB0219794D0/en
Priority to PCT/GB2003/003611 priority patent/WO2004019087A2/en
Ceased legal-status Critical Current

Links

GB0219794A 2002-08-23 2002-08-23 A variable optical attenuator Ceased GB0219794D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0219794A GB0219794D0 (en) 2002-08-23 2002-08-23 A variable optical attenuator
PCT/GB2003/003611 WO2004019087A2 (en) 2002-08-23 2003-08-19 A variable optical attenuator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0219794A GB0219794D0 (en) 2002-08-23 2002-08-23 A variable optical attenuator

Publications (1)

Publication Number Publication Date
GB0219794D0 true GB0219794D0 (en) 2002-10-02

Family

ID=9942948

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0219794A Ceased GB0219794D0 (en) 2002-08-23 2002-08-23 A variable optical attenuator

Country Status (2)

Country Link
GB (1) GB0219794D0 (en)
WO (1) WO2004019087A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105372798B (en) * 2015-12-08 2018-03-20 中国科学院上海光学精密机械研究所 Big energy reflecting light attenuator
CN110986819B (en) * 2019-12-16 2021-04-06 西安工业大学 Fabry-Perot cavity type optical fiber curvature sensing probe and manufacturing method thereof

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5685702A (en) * 1979-12-14 1981-07-13 Fujitsu Ltd Variable attenuator
JPS56102825A (en) * 1980-01-19 1981-08-17 Ritsuo Hasumi Thick film variable light attenuator
JPS5933404A (en) * 1982-08-18 1984-02-23 Nippon Telegr & Teleph Corp <Ntt> Optical attenuator
JPS6465506A (en) * 1987-09-04 1989-03-10 Seiko Instr & Electronics Optical attenuator
JPH06294911A (en) * 1993-04-08 1994-10-21 Toray Ind Inc Optical fixed attenuator and its manufacture
JP2847619B2 (en) * 1994-09-26 1999-01-20 ヒロセ電機株式会社 Variable optical attenuator
US5917985A (en) * 1995-12-30 1999-06-29 Korea Electronic Technology Institute Optical attenuator
US6301425B1 (en) * 1999-02-22 2001-10-09 Agere Systems Optoelectronics Guardian Corp. Magnetically tunable optical attenuator and method of attenuating signals
US6751395B1 (en) * 2001-11-09 2004-06-15 Active Optical Networks, Inc. Micro-electro-mechanical variable optical attenuator

Also Published As

Publication number Publication date
WO2004019087A2 (en) 2004-03-04
WO2004019087A3 (en) 2006-05-11

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)