ITMI941971A0 - Filtro ottico per telecomunicazioni - Google Patents
Filtro ottico per telecomunicazioniInfo
- Publication number
- ITMI941971A0 ITMI941971A0 ITMI941971A ITMI941971A ITMI941971A0 IT MI941971 A0 ITMI941971 A0 IT MI941971A0 IT MI941971 A ITMI941971 A IT MI941971A IT MI941971 A ITMI941971 A IT MI941971A IT MI941971 A0 ITMI941971 A0 IT MI941971A0
- Authority
- IT
- Italy
- Prior art keywords
- telecommunications
- optical filter
- filter
- optical
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title 1
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
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29346—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by wave or beam interference
- G02B6/29361—Interference filters, e.g. multilayer coatings, thin film filters, dichroic splitters or mirrors based on multilayers, WDM filters
- G02B6/29368—Light guide comprising the filter, e.g. filter deposited on a fibre end
-
- 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
-
- 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
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3845—Details of mounting fibres in ferrules; Assembly methods; Manufacture ferrules comprising functional elements, e.g. filters
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI941971A IT1271222B (it) | 1994-09-28 | 1994-09-28 | Filtro ottico per telecomunicazioni |
US08/530,788 US5706379A (en) | 1994-09-28 | 1995-09-19 | Optical filter for telecommunications |
EP95202549A EP0704724A1 (en) | 1994-09-28 | 1995-09-21 | Optical filter for telecommunications |
CA002159239A CA2159239C (en) | 1994-09-28 | 1995-09-27 | Optical filter for telecommunications |
US08/926,515 US5805760A (en) | 1994-09-28 | 1997-09-10 | Optical filter for telecommunications |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI941971A IT1271222B (it) | 1994-09-28 | 1994-09-28 | Filtro ottico per telecomunicazioni |
Publications (3)
Publication Number | Publication Date |
---|---|
ITMI941971A0 true ITMI941971A0 (it) | 1994-09-28 |
ITMI941971A1 ITMI941971A1 (it) | 1996-03-28 |
IT1271222B IT1271222B (it) | 1997-05-27 |
Family
ID=11369608
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITMI941971A IT1271222B (it) | 1994-09-28 | 1994-09-28 | Filtro ottico per telecomunicazioni |
Country Status (4)
Country | Link |
---|---|
US (2) | US5706379A (it) |
EP (1) | EP0704724A1 (it) |
CA (1) | CA2159239C (it) |
IT (1) | IT1271222B (it) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100206176B1 (ko) * | 1996-12-03 | 1999-07-01 | 윤종용 | 광감쇠기및그제조방법 |
US6434283B2 (en) * | 1997-03-13 | 2002-08-13 | Litton Systems, Inc. | In-line fiber-optic polarizer |
JPH11326641A (ja) * | 1998-05-12 | 1999-11-26 | Seiko Giken Kk | 光ファイバ波長フィルタおよびその製造方法 |
JP3825930B2 (ja) * | 1999-01-28 | 2006-09-27 | ヒロセ電機株式会社 | 光コネクタ |
US6311010B1 (en) | 1999-11-17 | 2001-10-30 | Telephone Services, Inc. Of Florida | Variable optical attenuator with locking mechanism |
US6623174B2 (en) * | 2000-10-12 | 2003-09-23 | Tyco Electronics Corporation | Optical connector |
US6712523B2 (en) * | 2001-06-01 | 2004-03-30 | Adc Telecommunications, Inc. | Bulkhead adapter with optical fiber for signal attenuation |
TW493758U (en) * | 2001-11-21 | 2002-07-01 | Hon Hai Prec Ind Co Ltd | Fixed light attenuator |
US6707980B2 (en) * | 2002-01-31 | 2004-03-16 | Fitel Usa Corp. | Variable attenuator for optical fiber applications |
US6807358B2 (en) * | 2002-08-30 | 2004-10-19 | Fitel Usa Corp. | Variable attenuator for optical fiber applications and method of making |
US6848833B1 (en) * | 2003-07-09 | 2005-02-01 | Molex Incorporated | Replaceable fiber optic interface module |
JP2011518523A (ja) * | 2008-04-21 | 2011-06-23 | オプリンク コミュニケーションズ, インコーポレイテッド | ファイバネットワーク監視 |
US7465103B1 (en) * | 2008-06-25 | 2008-12-16 | Comosss Electronic Co., Ltd. | Plastic fiber cable coupling structure |
EP2264420A1 (en) | 2009-06-19 | 2010-12-22 | Acterna, LLC | Optical reflective marker adaptor for a patch cord in OTDR applications |
CN103676015B (zh) * | 2012-09-05 | 2016-08-03 | 武汉隽龙科技股份有限公司 | 可光滤波的sc型阴阳式光纤适配器制造工艺 |
US10473860B1 (en) * | 2018-05-11 | 2019-11-12 | Alliance Fiber Optic Products, Inc. | Compact devices for multiplexing applications |
CN109557617B (zh) * | 2018-12-25 | 2021-07-16 | 珠海光库科技股份有限公司 | 可调滤波器 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5619016A (en) * | 1979-07-26 | 1981-02-23 | Fujitsu Ltd | Optical connector |
US4850670A (en) * | 1983-08-29 | 1989-07-25 | American Telephone And Telegraph Company, At&T Bell Laboratories | Optical fiber connector comprising drawn glass tubes |
EP0360304A1 (en) * | 1984-05-02 | 1990-03-28 | Kei Mori | A connecting structure for an optical conductor tube |
JPS62121405A (ja) * | 1985-11-22 | 1987-06-02 | Nec Corp | 光減衰器 |
JPH0284601A (ja) * | 1988-06-29 | 1990-03-26 | Furukawa Electric Co Ltd:The | 光部品とその製造方法 |
FR2633737B1 (fr) * | 1988-06-30 | 1991-04-05 | Kis Photo Ind | Dispositif pour introduire l'extremite libre d'un film negatif a developper, deroule depuis une bobine, dans une unite de developpement de films |
JP2670310B2 (ja) * | 1988-09-08 | 1997-10-29 | 古河電気工業株式会社 | フィルタ内蔵光コネクタ及びその製造方法 |
US4982083A (en) * | 1990-01-03 | 1991-01-01 | Amp Incorporated | Optical simulator with loop-back attenuator and filter |
JPH03221902A (ja) * | 1990-01-29 | 1991-09-30 | Fujikura Ltd | 光コネクタ用フィルタの基板研磨方法 |
US5067783A (en) * | 1990-10-16 | 1991-11-26 | At&T Bell Laboratories | Optical fiber connector buildout system |
US5141689A (en) * | 1991-01-31 | 1992-08-25 | Bear Archery, Inc. | Method for manufacturing a compression molded archery bow limb |
US5144689A (en) * | 1991-07-30 | 1992-09-01 | Fiber Sensys, Inc. | Multimode fiber sensor system with sensor fiber coupled to a detection fiber by spacer means |
US5319733A (en) * | 1992-01-02 | 1994-06-07 | Adc Telecommunications, Inc. | Variable fiber optical attenuator |
US5384885A (en) * | 1993-10-28 | 1995-01-24 | At&T Corp. | Variable attenuation optical fiber coupling |
-
1994
- 1994-09-28 IT ITMI941971A patent/IT1271222B/it active IP Right Grant
-
1995
- 1995-09-19 US US08/530,788 patent/US5706379A/en not_active Expired - Lifetime
- 1995-09-21 EP EP95202549A patent/EP0704724A1/en not_active Withdrawn
- 1995-09-27 CA CA002159239A patent/CA2159239C/en not_active Expired - Fee Related
-
1997
- 1997-09-10 US US08/926,515 patent/US5805760A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0704724A1 (en) | 1996-04-03 |
US5805760A (en) | 1998-09-08 |
US5706379A (en) | 1998-01-06 |
CA2159239A1 (en) | 1996-03-29 |
ITMI941971A1 (it) | 1996-03-28 |
IT1271222B (it) | 1997-05-27 |
CA2159239C (en) | 1999-07-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted |