IT1168229B - Linea di ritardo variabile a fibra ottica, metodo per realizzarla, commutatore per essa nonche' filtro di frequenza e metodo di filtrazione con essa realizzati - Google Patents
Linea di ritardo variabile a fibra ottica, metodo per realizzarla, commutatore per essa nonche' filtro di frequenza e metodo di filtrazione con essa realizzatiInfo
- Publication number
- IT1168229B IT1168229B IT49312/83A IT4931283A IT1168229B IT 1168229 B IT1168229 B IT 1168229B IT 49312/83 A IT49312/83 A IT 49312/83A IT 4931283 A IT4931283 A IT 4931283A IT 1168229 B IT1168229 B IT 1168229B
- Authority
- IT
- Italy
- Prior art keywords
- base
- fiber
- pct
- delay line
- optical fiber
- Prior art date
Links
- 239000013307 optical fiber Substances 0.000 title abstract 3
- 238000001914 filtration Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 239000000835 fiber Substances 0.000 abstract 7
- 230000008878 coupling Effects 0.000 abstract 5
- 238000010168 coupling process Methods 0.000 abstract 5
- 238000005859 coupling reaction Methods 0.000 abstract 5
- 239000010453 quartz Substances 0.000 abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 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
- G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
- G02B6/2821—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals
- G02B6/2826—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals using mechanical machining means for shaping of the couplers, e.g. grinding or polishing
-
- 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
- G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
- G02B6/2821—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals
- G02B6/2826—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals using mechanical machining means for shaping of the couplers, e.g. grinding or polishing
- G02B6/283—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals using mechanical machining means for shaping of the couplers, e.g. grinding or polishing couplers being tunable or adjustable
-
- 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
- G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
- G02B6/2861—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using fibre optic delay lines and optical elements associated with them, e.g. for use in signal processing, e.g. filtering
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Optical Couplings Of Light Guides (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Networks Using Active Elements (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
- Electronic Switches (AREA)
- Mechanical Coupling Of Light Guides (AREA)
- Keying Circuit Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US1982/001608 WO1984002005A1 (en) | 1982-11-12 | 1982-11-12 | Fiber optic switch and discretely variable delay line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT8349312A0 IT8349312A0 (it) | 1983-11-10 |
| IT1168229B true IT1168229B (it) | 1987-05-20 |
Family
ID=22168373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT49312/83A IT1168229B (it) | 1982-11-12 | 1983-11-10 | Linea di ritardo variabile a fibra ottica, metodo per realizzarla, commutatore per essa nonche' filtro di frequenza e metodo di filtrazione con essa realizzati |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4723827A (it) |
| EP (1) | EP0124523B1 (it) |
| JP (1) | JPS60500030A (it) |
| KR (1) | KR840006704A (it) |
| AT (1) | ATE50071T1 (it) |
| AU (1) | AU558937B2 (it) |
| BR (1) | BR8208104A (it) |
| CA (1) | CA1251072A (it) |
| DE (1) | DE3280098D1 (it) |
| IL (1) | IL69969A (it) |
| IT (1) | IT1168229B (it) |
| NO (1) | NO842831L (it) |
| WO (1) | WO1984002005A1 (it) |
Families Citing this family (53)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8706929D0 (en) * | 1987-03-24 | 1987-04-29 | British Telecomm | Optical coupling device |
| US4991922A (en) * | 1988-08-29 | 1991-02-12 | The Charles Stark Draper Laboratory, Inc. | Optical fiber coupler and method |
| US4934777A (en) * | 1989-03-21 | 1990-06-19 | Pco, Inc. | Cascaded recirculating transmission line without bending loss limitations |
| US5109449A (en) * | 1989-03-27 | 1992-04-28 | Hughes Aircraft Company | Variable optical fiber delay line |
| BE1005172A3 (nl) * | 1991-08-09 | 1993-05-11 | Bell Telephone Mfg | Konstruktie voor het optisch koppelen, substraat daarvoor en werkwijze voor het verwezenlijken van dergelijke konstruktie. |
| US7106917B2 (en) | 1998-11-13 | 2006-09-12 | Xponent Photonics Inc | Resonant optical modulators |
| US6516114B2 (en) * | 2000-06-27 | 2003-02-04 | Oluma, Inc. | Integration of fibers on substrates fabricated with grooves |
| US6625349B2 (en) * | 2000-06-27 | 2003-09-23 | Oluma, Inc. | Evanescent optical coupling between a waveguide formed on a substrate and a side-polished fiber |
| US6501875B2 (en) * | 2000-06-27 | 2002-12-31 | Oluma, Inc. | Mach-Zehnder inteferometers and applications based on evanescent coupling through side-polished fiber coupling ports |
| US6621951B1 (en) * | 2000-06-27 | 2003-09-16 | Oluma, Inc. | Thin film structures in devices with a fiber on a substrate |
| US6597833B1 (en) * | 2000-06-27 | 2003-07-22 | Oluma, Inc. | Wavelength-division multiplexers and demultiplexers based on mach-zehnder interferometers and evanescent coupling |
| US6490391B1 (en) * | 2000-07-12 | 2002-12-03 | Oluma, Inc. | Devices based on fibers engaged to substrates with grooves |
| US6621952B1 (en) * | 2000-08-10 | 2003-09-16 | Oluma, Inc. | In-fiber variable optical attenuators and modulators using index-changing liquid media |
| US6571035B1 (en) * | 2000-08-10 | 2003-05-27 | Oluma, Inc. | Fiber optical switches based on optical evanescent coupling between two fibers |
| US6542663B1 (en) * | 2000-09-07 | 2003-04-01 | Oluma, Inc. | Coupling control in side-polished fiber devices |
| US6658176B2 (en) * | 2000-09-29 | 2003-12-02 | Sarnoff Corporation | Optical switch using movable micromechanical cantilevers and evanescent coupling |
| WO2002050575A2 (en) * | 2000-12-21 | 2002-06-27 | Cquint Communications Corporation | Resonant optical modulators |
| KR100416688B1 (ko) * | 2001-11-08 | 2004-01-31 | 주식회사 한택 | 광소자가 집적된 광섬유 블럭 |
| US6640028B1 (en) | 2001-11-30 | 2003-10-28 | General Dynamics Advanced Technology Systems, Inc. | Bend-type fiber optic light injector |
| US6665469B1 (en) | 2002-01-02 | 2003-12-16 | General Dynamics Advanced Information Systems, Inc. | Light injector/extractor for multiple optical fibers |
| US6819831B1 (en) | 2002-03-04 | 2004-11-16 | Kenneth R. Schroll | Adjustable, reconfigurable, multi-port optical fiber coupler |
| US6968103B1 (en) * | 2002-10-10 | 2005-11-22 | General Dynamics Advanced Information Systems, Inc. | Optical fiber coupler and method for making same |
| US7146069B1 (en) | 2003-06-05 | 2006-12-05 | Calient Networks, Inc. | Optical system for selectable delay |
| KR20050109370A (ko) * | 2004-05-15 | 2005-11-21 | 엘지전자 주식회사 | 집적광학형 실시간 지연 장치 및 그 제조 방법 |
| US7802928B2 (en) * | 2008-01-04 | 2010-09-28 | Honeywell International Inc. | System and method for fiber based resonator coupling |
| US10018785B2 (en) * | 2013-06-14 | 2018-07-10 | Exfo Inc. | Optical fiber modal distribution conditioner |
| US12271040B2 (en) | 2017-06-28 | 2025-04-08 | Corning Research & Development Corporation | Fiber optic extender ports, assemblies and methods of making the same |
| US11668890B2 (en) | 2017-06-28 | 2023-06-06 | Corning Research & Development Corporation | Multiports and other devices having optical connection ports with securing features and methods of making the same |
| WO2019005192A1 (en) | 2017-06-28 | 2019-01-03 | Corning Research & Development Corporation | COMPACT MULTIPLE CONNECTING FIBER OPTICAL FIBER CONNECTORS, AND CABLE ASSEMBLIES AND METHODS OF MAKING SAME |
| US11300746B2 (en) | 2017-06-28 | 2022-04-12 | Corning Research & Development Corporation | Fiber optic port module inserts, assemblies and methods of making the same |
| US10359577B2 (en) | 2017-06-28 | 2019-07-23 | Corning Research & Development Corporation | Multiports and optical connectors with rotationally discrete locking and keying features |
| US11187859B2 (en) | 2017-06-28 | 2021-11-30 | Corning Research & Development Corporation | Fiber optic connectors and methods of making the same |
| WO2020112354A1 (en) | 2018-11-29 | 2020-06-04 | Corning Research & Development Corporation | Multiports having connection ports with rotating actuators and method for making the same |
| PL3903136T3 (pl) | 2018-12-28 | 2025-03-03 | Corning Research & Development Corporation | Zespoły wieloportowe zawierające elementy montażowe lub zatyczki przeciwpyłowe |
| WO2020242847A1 (en) | 2019-05-31 | 2020-12-03 | Corning Research & Development Corporation | Multiports and other devices having optical connection ports with sliding actuators and methods of making the same |
| US11294133B2 (en) | 2019-07-31 | 2022-04-05 | Corning Research & Development Corporation | Fiber optic networks using multiports and cable assemblies with cable-to-connector orientation |
| US11487073B2 (en) | 2019-09-30 | 2022-11-01 | Corning Research & Development Corporation | Cable input devices having an integrated locking feature and assemblies using the cable input devices |
| EP3805827B1 (en) * | 2019-10-07 | 2025-07-30 | Corning Research & Development Corporation | Fiber optic terminals and fiber optic networks having variable ratio couplers |
| EP4045957B1 (en) | 2019-10-18 | 2023-12-13 | Corning Research & Development Corporation | Terminals having optical connection ports with securing features providing stable retention forces |
| US11650388B2 (en) | 2019-11-14 | 2023-05-16 | Corning Research & Development Corporation | Fiber optic networks having a self-supporting optical terminal and methods of installing the optical terminal |
| US11536921B2 (en) | 2020-02-11 | 2022-12-27 | Corning Research & Development Corporation | Fiber optic terminals having one or more loopback assemblies |
| JPWO2021166263A1 (it) * | 2020-02-21 | 2021-08-26 | ||
| JP7452618B2 (ja) * | 2020-02-21 | 2024-03-19 | 日本電信電話株式会社 | 光合分波方法、光合分波回路及び光合分波回路製造方法 |
| EP4172671B1 (en) | 2020-06-29 | 2026-01-21 | Corning Research & Development Corporation | Terminals having a multi-fiber optical connection port that inhibits damage from single-fiber connectors |
| US11604320B2 (en) | 2020-09-30 | 2023-03-14 | Corning Research & Development Corporation | Connector assemblies for telecommunication enclosures |
| CA3197116A1 (en) | 2020-10-30 | 2022-05-05 | Stephen Paul CAPPANNARI | Female fiber optic connectors having a rocker latch arm and methods of making the same |
| US11686913B2 (en) | 2020-11-30 | 2023-06-27 | Corning Research & Development Corporation | Fiber optic cable assemblies and connector assemblies having a crimp ring and crimp body and methods of fabricating the same |
| US11880076B2 (en) | 2020-11-30 | 2024-01-23 | Corning Research & Development Corporation | Fiber optic adapter assemblies including a conversion housing and a release housing |
| US11994722B2 (en) | 2020-11-30 | 2024-05-28 | Corning Research & Development Corporation | Fiber optic adapter assemblies including an adapter housing and a locking housing |
| US11927810B2 (en) | 2020-11-30 | 2024-03-12 | Corning Research & Development Corporation | Fiber optic adapter assemblies including a conversion housing and a release member |
| US11947167B2 (en) | 2021-05-26 | 2024-04-02 | Corning Research & Development Corporation | Fiber optic terminals and tools and methods for adjusting a split ratio of a fiber optic terminal |
| JPWO2024111125A1 (it) * | 2022-11-25 | 2024-05-30 | ||
| JPWO2024166205A1 (it) * | 2023-02-07 | 2024-08-15 |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3957341A (en) * | 1974-09-03 | 1976-05-18 | The United States Of America As Represented By The Secretary Of The Navy | Passive frequency-selective optical coupler |
| JPS579041B2 (it) * | 1974-11-29 | 1982-02-19 | ||
| JPS54101334A (en) * | 1978-01-27 | 1979-08-09 | Nippon Telegr & Teleph Corp <Ntt> | Optical fiber coupling element and production of the same |
| JPS54118255A (en) * | 1978-03-06 | 1979-09-13 | Matsushita Electric Ind Co Ltd | Optical branching and mixing device and production of the same |
| JPS54151048A (en) * | 1978-05-19 | 1979-11-27 | Oki Electric Ind Co Ltd | Photo branching circuit |
| DE2849501A1 (de) * | 1978-11-15 | 1980-05-29 | Licentia Gmbh | Optische koppelanordnung |
| DE2853800A1 (de) * | 1978-12-13 | 1980-06-26 | Siemens Ag | Abtimmbarer richtkoppler fuer lichtwellenleiter |
| US4315666A (en) * | 1979-03-19 | 1982-02-16 | Hicks Jr John W | Coupled communications fibers |
| DE2930454A1 (de) * | 1979-07-24 | 1981-02-12 | Hertz Inst Heinrich | Verfahren zur herstellung von lichtleiter-richtkopplern |
| JPS56114903A (en) * | 1980-02-18 | 1981-09-09 | Nippon Telegr & Teleph Corp <Ntt> | Adjusting method for coupling degree of photocoupler |
| US4307933A (en) * | 1980-02-20 | 1981-12-29 | General Dynamics, Pomona Division | Optical fiber launch coupler |
| US4493528A (en) * | 1980-04-11 | 1985-01-15 | Board Of Trustees Of The Leland Stanford Junior University | Fiber optic directional coupler |
| JPS5727210A (en) * | 1980-07-25 | 1982-02-13 | Toshiba Corp | Narrow band filter |
| EP0074788B1 (en) * | 1981-09-10 | 1989-05-31 | The Board Of Trustees Of The Leland Stanford Junior University | Fiber coupler temperature tranducer |
| US4473270A (en) * | 1981-10-23 | 1984-09-25 | Leland Stanford Junior University | Splice-free fiber optic recirculating memory |
| US4556279A (en) * | 1981-11-09 | 1985-12-03 | Board Of Trustees Of The Leland Stanford Junior University | Passive fiber optic multiplexer |
| US4511207A (en) * | 1981-11-19 | 1985-04-16 | The Board Of Trustees Of The Leland Stanford Junior University | Fiber optic data distributor |
| US4558920A (en) * | 1981-11-19 | 1985-12-17 | Board Of Trustees Of The Leland Stanford Junior University | Tapped optical fiber delay line |
| US4479701A (en) * | 1981-12-01 | 1984-10-30 | Leland Stanford Junior University | Dual coupler fiber optic recirculating memory |
| US4588255A (en) * | 1982-06-21 | 1986-05-13 | The Board Of Trustees Of The Leland Stanford Junior University | Optical guided wave signal processor for matrix-vector multiplication and filtering |
| US4530603A (en) * | 1982-09-29 | 1985-07-23 | The Board Of Trustees Of Leland Stanford Jr. Univ. | Stabilized fiber optic sensor |
-
1982
- 1982-11-12 EP EP83900214A patent/EP0124523B1/en not_active Expired - Lifetime
- 1982-11-12 AT AT83900214T patent/ATE50071T1/de not_active IP Right Cessation
- 1982-11-12 WO PCT/US1982/001608 patent/WO1984002005A1/en not_active Ceased
- 1982-11-12 US US06/628,650 patent/US4723827A/en not_active Expired - Fee Related
- 1982-11-12 DE DE8383900214T patent/DE3280098D1/de not_active Expired - Lifetime
- 1982-11-12 AU AU11010/83A patent/AU558937B2/en not_active Ceased
- 1982-11-12 BR BR8208104A patent/BR8208104A/pt unknown
- 1982-11-12 JP JP58500236A patent/JPS60500030A/ja active Pending
-
1983
- 1983-10-14 IL IL69969A patent/IL69969A/xx unknown
- 1983-11-10 CA CA000440879A patent/CA1251072A/en not_active Expired
- 1983-11-10 IT IT49312/83A patent/IT1168229B/it active
- 1983-11-11 KR KR1019830005363A patent/KR840006704A/ko not_active Ceased
-
1984
- 1984-07-11 NO NO842831A patent/NO842831L/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60500030A (ja) | 1985-01-10 |
| AU1101083A (en) | 1984-06-04 |
| KR840006704A (ko) | 1984-12-01 |
| WO1984002005A1 (en) | 1984-05-24 |
| BR8208104A (pt) | 1984-10-02 |
| US4723827A (en) | 1988-02-09 |
| IT8349312A0 (it) | 1983-11-10 |
| AU558937B2 (en) | 1987-02-12 |
| NO842831L (no) | 1984-07-11 |
| ATE50071T1 (de) | 1990-02-15 |
| EP0124523A1 (en) | 1984-11-14 |
| CA1251072A (en) | 1989-03-14 |
| IL69969A (en) | 1986-12-31 |
| DE3280098D1 (de) | 1990-03-08 |
| EP0124523B1 (en) | 1990-01-31 |
| EP0124523A4 (en) | 1985-06-26 |
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