JPS6450002A - Optical attenuator and its manufacture - Google Patents
Optical attenuator and its manufactureInfo
- Publication number
- JPS6450002A JPS6450002A JP62207517A JP20751787A JPS6450002A JP S6450002 A JPS6450002 A JP S6450002A JP 62207517 A JP62207517 A JP 62207517A JP 20751787 A JP20751787 A JP 20751787A JP S6450002 A JPS6450002 A JP S6450002A
- Authority
- JP
- Japan
- Prior art keywords
- element wire
- optical
- fiber
- external force
- crack
- 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
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
- G02B6/264—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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62207517A JPS6450002A (en) | 1987-08-21 | 1987-08-21 | Optical attenuator and its manufacture |
US07/232,442 US4884859A (en) | 1987-08-21 | 1988-08-15 | Optical attenuator and manufacturing method for making same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62207517A JPS6450002A (en) | 1987-08-21 | 1987-08-21 | Optical attenuator and its manufacture |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6450002A true JPS6450002A (en) | 1989-02-27 |
Family
ID=16541027
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62207517A Pending JPS6450002A (en) | 1987-08-21 | 1987-08-21 | Optical attenuator and its manufacture |
Country Status (2)
Country | Link |
---|---|
US (1) | US4884859A (ja) |
JP (1) | JPS6450002A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5694512A (en) * | 1996-07-09 | 1997-12-02 | Framatome Connectors Canada Inc. | Compact tunable wavelength independent all-fiber optical attenuator and method of making same |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0694173A1 (en) * | 1992-01-02 | 1996-01-31 | Adc Telecommunications, Inc. | Overlapping fusion attenuator |
US5319733A (en) * | 1992-01-02 | 1994-06-07 | Adc Telecommunications, Inc. | Variable fiber optical attenuator |
US5298047A (en) * | 1992-08-03 | 1994-03-29 | At&T Bell Laboratories | Method of making a fiber having low polarization mode dispersion due to a permanent spin |
US5398296A (en) * | 1994-05-31 | 1995-03-14 | Industrial Technology Research Institute | Method of fabricating an optical attenuator |
US5633974A (en) * | 1994-09-27 | 1997-05-27 | The Whitaker Corporation | All fiber attenuator |
US5651085A (en) * | 1994-09-27 | 1997-07-22 | Chia; Shin-Lo | All fiber attenuator |
IT1277098B1 (it) * | 1995-12-18 | 1997-11-04 | Optotec Spa | Procedimento ed apparato per la realizzazione di attenuatori per fibre ottiche con risposta spettrale indipendente dalla lunghezza |
KR100206176B1 (ko) | 1996-12-03 | 1999-07-01 | 윤종용 | 광감쇠기및그제조방법 |
FR2778468B1 (fr) * | 1998-05-05 | 2000-10-06 | Marer Rene Le | Dispositif de jarretiere optique attenuante |
AUPP596498A0 (en) * | 1998-09-16 | 1998-10-08 | University Of Sydney, The | In-fibre optical attentuator |
US6464410B1 (en) | 2000-06-14 | 2002-10-15 | Ciena Corporation | Attenuation splice, system and method therefor using estimation algorithm and closed loop intelligent control |
US6478482B1 (en) | 2000-06-14 | 2002-11-12 | Ciena Corporation | Attenuating splice, system, and method therefor |
JP2002228842A (ja) * | 2001-02-06 | 2002-08-14 | Seikoh Giken Co Ltd | 光減衰器 |
JP2003066266A (ja) * | 2001-06-12 | 2003-03-05 | Furukawa Electric Co Ltd:The | 光ファイバの接続方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3332631A1 (de) * | 1983-09-09 | 1985-03-28 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum erzielen einer variablen optischen daempfung und vorrichtung zur durchfuehrung des verfahrens |
US4557557A (en) * | 1983-10-28 | 1985-12-10 | At&T Bell Laboratories | Method of making an optical fiber attenuator using a lossy fusion splice |
US4557556A (en) * | 1983-10-28 | 1985-12-10 | At&T Bell Laboratories | Method of fabricating an optical attenuator by fusion splicing of optical fibers |
GB2158603B (en) * | 1984-05-11 | 1987-07-29 | Stc Plc | Single mode optical fibre attenuators |
US4584464A (en) * | 1984-07-02 | 1986-04-22 | Hughes Aircraft Co. | Heating element |
US4697869A (en) * | 1985-10-11 | 1987-10-06 | Northern Telecom Limited | Attenuator for optical fiber |
US4804248A (en) * | 1986-12-22 | 1989-02-14 | Corning Glass Works | Data rate limiter for optical transmission system |
US4803353A (en) * | 1988-03-24 | 1989-02-07 | Moorehead Robert M | Light attenuation motion transducer wherein two fiber optic cables abut at the pivot axis of pivotable mounting members |
-
1987
- 1987-08-21 JP JP62207517A patent/JPS6450002A/ja active Pending
-
1988
- 1988-08-15 US US07/232,442 patent/US4884859A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5694512A (en) * | 1996-07-09 | 1997-12-02 | Framatome Connectors Canada Inc. | Compact tunable wavelength independent all-fiber optical attenuator and method of making same |
Also Published As
Publication number | Publication date |
---|---|
US4884859A (en) | 1989-12-05 |
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