HK1098538A1 - Variable optical attenuator - Google Patents
Variable optical attenuatorInfo
- Publication number
- HK1098538A1 HK1098538A1 HK07104717.7A HK07104717A HK1098538A1 HK 1098538 A1 HK1098538 A1 HK 1098538A1 HK 07104717 A HK07104717 A HK 07104717A HK 1098538 A1 HK1098538 A1 HK 1098538A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- variable optical
- optical attenuator
- optical
- waveguides
- optical waveguide
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/35—Optical coupling means having switching means
- G02B6/3564—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details
- G02B6/3568—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details characterised by the actuating force
- G02B6/357—Electrostatic force
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/264—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting
- G02B6/266—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting the optical element being an attenuator
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/35—Optical coupling means having switching means
- G02B6/351—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements
- G02B6/3512—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements the optical element being reflective, e.g. mirror
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/35—Optical coupling means having switching means
- G02B6/354—Switching arrangements, i.e. number of input/output ports and interconnection types
- G02B6/3544—2D constellations, i.e. with switching elements and switched beams located in a plane
- G02B6/3548—1xN switch, i.e. one input and a selectable single output of N possible outputs
- G02B6/3552—1x1 switch, e.g. on/off switch
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/35—Optical coupling means having switching means
- G02B6/3594—Characterised by additional functional means, e.g. means for variably attenuating or branching or means for switching differently polarized beams
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/35—Optical coupling means having switching means
- G02B6/3596—With planar waveguide arrangement, i.e. in a substrate, regardless if actuating mechanism is outside the substrate
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Integrated Circuits (AREA)
- Optical Couplings Of Light Guides (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
- Optical Communication System (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Supporting Of Heads In Record-Carrier Devices (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0317522A GB2404450A (en) | 2003-07-26 | 2003-07-26 | Variable optical attenuator with movable reflector and hollow core waveguides |
PCT/GB2004/003187 WO2005012968A1 (en) | 2003-07-26 | 2004-07-23 | Variable optical attenuator |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1098538A1 true HK1098538A1 (en) | 2007-07-20 |
Family
ID=27772746
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK07104717.7A HK1098538A1 (en) | 2003-07-26 | 2007-05-03 | Variable optical attenuator |
Country Status (9)
Country | Link |
---|---|
US (1) | US20060193592A1 (zh) |
EP (1) | EP1651990B1 (zh) |
JP (1) | JP2007500369A (zh) |
CN (1) | CN100383585C (zh) |
AT (1) | ATE429658T1 (zh) |
DE (1) | DE602004020778D1 (zh) |
GB (1) | GB2404450A (zh) |
HK (1) | HK1098538A1 (zh) |
WO (1) | WO2005012968A1 (zh) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0327661D0 (en) * | 2003-11-28 | 2003-12-31 | Qinetiq Ltd | Optical Amplifier |
US7551819B2 (en) | 2006-03-02 | 2009-06-23 | The Board Of Trustees Of The Leland Stanford Junior University | Multiple-core photonic-bandgap fiber with coupling between the cores |
US20080212620A1 (en) * | 2006-07-28 | 2008-09-04 | Nasa Headquarters | Microsphere fiber laser system |
GB2441790A (en) | 2006-09-12 | 2008-03-19 | Qinetiq Ltd | Electro-optic waveguide polarisation modulator |
GB0801408D0 (en) | 2008-01-25 | 2008-03-05 | Qinetiq Ltd | Multi-community network with quantum key distribution |
WO2009093036A2 (en) | 2008-01-25 | 2009-07-30 | Qinetiq Limited | Quantum cryptography apparatus |
GB0801395D0 (en) | 2008-01-25 | 2008-03-05 | Qinetiq Ltd | Network having quantum key distribution |
GB0801492D0 (en) | 2008-01-28 | 2008-03-05 | Qinetiq Ltd | Optical transmitters and receivers for quantum key distribution |
GB0809044D0 (en) | 2008-05-19 | 2008-06-25 | Qinetiq Ltd | Multiplexed QKD |
GB0809045D0 (en) | 2008-05-19 | 2008-06-25 | Qinetiq Ltd | Quantum key distribution involving moveable key device |
GB0809038D0 (en) | 2008-05-19 | 2008-06-25 | Qinetiq Ltd | Quantum key device |
JP5169538B2 (ja) * | 2008-06-30 | 2013-03-27 | 富士通株式会社 | 光伝送装置、光伝送システム及び同システムの通信方法 |
JP2012503784A (ja) * | 2008-09-24 | 2012-02-09 | ヒューレット−パッカード デベロップメント カンパニー エル.ピー. | 偏光維持大コア中空導波路 |
US8040582B2 (en) * | 2008-10-16 | 2011-10-18 | Topcon Medical Laser Systems, Inc. | Light beam delivery system with power, wavelength and spot size control |
GB0819665D0 (en) | 2008-10-27 | 2008-12-03 | Qinetiq Ltd | Quantum key dsitribution |
GB0822253D0 (en) | 2008-12-05 | 2009-01-14 | Qinetiq Ltd | Method of establishing a quantum key for use between network nodes |
GB0822254D0 (en) | 2008-12-05 | 2009-01-14 | Qinetiq Ltd | Method of performing authentication between network nodes |
GB0822356D0 (en) | 2008-12-08 | 2009-01-14 | Qinetiq Ltd | Non-linear optical device |
US8718422B2 (en) | 2009-04-28 | 2014-05-06 | Hewlett-Packard Development Company, L.P. | Angled coupling for optical fibers |
BRPI0924575B1 (pt) | 2009-06-08 | 2019-05-28 | Prysmian S.P.A. | Cabo de fibra óptica, capa de cabo, e, kit para instalar um cabo de fibra óptica |
GB0917060D0 (en) | 2009-09-29 | 2009-11-11 | Qinetiq Ltd | Methods and apparatus for use in quantum key distribution |
GB201020424D0 (en) | 2010-12-02 | 2011-01-19 | Qinetiq Ltd | Quantum key distribution |
CN102289197B (zh) * | 2011-03-25 | 2012-12-19 | 武汉光迅科技股份有限公司 | 可调光衰减器集成控制***及控制方法 |
JP6578670B2 (ja) * | 2015-02-25 | 2019-09-25 | 株式会社島津製作所 | レーザビームダンパー及びこれを用いたレーザ装置 |
US9746609B2 (en) | 2015-06-30 | 2017-08-29 | Elenion Technologies, Llc | Integrated on-chip polarizer |
US10502895B2 (en) * | 2016-01-06 | 2019-12-10 | Elenion Technologies, Llc | Integrated on-chip polarizer |
US9810840B2 (en) * | 2016-01-06 | 2017-11-07 | Elenion Technologies Llc | Integrated on-chip polarizer |
EP3648267B1 (en) * | 2018-11-02 | 2022-05-11 | Huawei Technologies Co., Ltd. | Optical amplifier |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0258721U (zh) * | 1988-10-24 | 1990-04-26 | ||
US5917596A (en) * | 1996-01-26 | 1999-06-29 | The Secretary Of State For Defence In Her Brittanic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Radiation field analyzer using interference patterns |
GB2309608A (en) * | 1996-01-26 | 1997-07-30 | Secr Defence | A radiation field analyzer |
JP3798025B2 (ja) * | 1996-01-26 | 2006-07-19 | キネテイツク・リミテツド | 放射電磁界アナライザ |
US6137941A (en) * | 1998-09-03 | 2000-10-24 | Lucent Technologies, Inc. | Variable optical attenuator |
JP3219057B2 (ja) * | 1998-09-24 | 2001-10-15 | 日本電気株式会社 | 可変光減衰器 |
US6501869B1 (en) * | 2000-03-20 | 2002-12-31 | George Mason University | Optical switching system |
US20020150377A1 (en) * | 2001-04-12 | 2002-10-17 | Daniel Gelbart | Method for attenuation of optical signals using reflective membrane device |
US6556765B2 (en) * | 2001-04-17 | 2003-04-29 | E-Tek Dynamics, Inc. | Planar variable optical attenuator |
US6618519B2 (en) * | 2001-07-16 | 2003-09-09 | Chromux Technologies, Inc. | Switch and variable optical attenuator for single or arrayed optical channels |
US6590697B2 (en) * | 2001-10-04 | 2003-07-08 | Megasense | VOA with a movable focusing mirror |
US6754431B2 (en) * | 2001-10-24 | 2004-06-22 | Intel Corporation | Variable optical attenuator |
US6801679B2 (en) * | 2001-11-23 | 2004-10-05 | Seungug Koh | Multifunctional intelligent optical modules based on planar lightwave circuits |
JP2004094187A (ja) * | 2002-07-12 | 2004-03-25 | Omron Corp | 可変光減衰器 |
-
2003
- 2003-07-26 GB GB0317522A patent/GB2404450A/en not_active Withdrawn
-
2004
- 2004-07-23 WO PCT/GB2004/003187 patent/WO2005012968A1/en active Application Filing
- 2004-07-23 EP EP04743519A patent/EP1651990B1/en not_active Expired - Lifetime
- 2004-07-23 DE DE602004020778T patent/DE602004020778D1/de not_active Expired - Lifetime
- 2004-07-23 JP JP2006521649A patent/JP2007500369A/ja active Pending
- 2004-07-23 US US10/565,017 patent/US20060193592A1/en not_active Abandoned
- 2004-07-23 CN CNB2004800279940A patent/CN100383585C/zh not_active Expired - Fee Related
- 2004-07-23 AT AT04743519T patent/ATE429658T1/de not_active IP Right Cessation
-
2007
- 2007-05-03 HK HK07104717.7A patent/HK1098538A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO2005012968A1 (en) | 2005-02-10 |
US20060193592A1 (en) | 2006-08-31 |
GB2404450A (en) | 2005-02-02 |
GB0317522D0 (en) | 2003-08-27 |
JP2007500369A (ja) | 2007-01-11 |
EP1651990A1 (en) | 2006-05-03 |
DE602004020778D1 (de) | 2009-06-04 |
CN100383585C (zh) | 2008-04-23 |
CN1860391A (zh) | 2006-11-08 |
EP1651990B1 (en) | 2009-04-22 |
ATE429658T1 (de) | 2009-05-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20180723 |