GB1582532A - Optical equalizers - Google Patents
Optical equalizers Download PDFInfo
- Publication number
- GB1582532A GB1582532A GB3002077A GB3002077A GB1582532A GB 1582532 A GB1582532 A GB 1582532A GB 3002077 A GB3002077 A GB 3002077A GB 3002077 A GB3002077 A GB 3002077A GB 1582532 A GB1582532 A GB 1582532A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lenses
- function
- equation
- refractive index
- equalizer
- 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.)
- Expired
Links
- 230000003287 optical effect Effects 0.000 title claims description 46
- 238000000034 method Methods 0.000 claims description 9
- 230000008054 signal transmission Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000011162 core material Substances 0.000 claims description 4
- 238000005253 cladding Methods 0.000 claims description 3
- 230000001419 dependent effect Effects 0.000 claims description 3
- 238000005187 foaming Methods 0.000 claims description 2
- 238000012986 modification Methods 0.000 claims description 2
- 230000004048 modification Effects 0.000 claims description 2
- 239000012780 transparent material Substances 0.000 claims description 2
- 230000001747 exhibiting effect Effects 0.000 claims 1
- 239000000835 fiber Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 230000000875 corresponding effect Effects 0.000 description 6
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001093 holography Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
-
- 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
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/14—Mode converters
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
- Optical Integrated Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT6878476A IT1071131B (it) | 1976-07-16 | 1976-07-16 | Equalizzatore ottico totale per trasmissione di segnali su guide ottiche multimodo |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1582532A true GB1582532A (en) | 1981-01-07 |
Family
ID=11310574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3002077A Expired GB1582532A (en) | 1976-07-16 | 1977-07-18 | Optical equalizers |
Country Status (6)
| Country | Link |
|---|---|
| CA (1) | CA1072790A (enExample) |
| DE (1) | DE2731957C3 (enExample) |
| FR (1) | FR2358671A1 (enExample) |
| GB (1) | GB1582532A (enExample) |
| IT (1) | IT1071131B (enExample) |
| NL (1) | NL7707788A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2220501A (en) * | 1988-07-06 | 1990-01-10 | Plessey Co Plc | Coupling waveguides using transverse cylindrical lenses |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH626729A5 (enExample) * | 1978-12-01 | 1981-11-30 | Cabloptic Sa | |
| DE3010347C2 (de) * | 1980-03-18 | 1984-08-30 | Fa. Carl Zeiss, 7920 Heidenheim | Einrichtung zur Verbindung von Lichtleitern |
| DE3024104C2 (de) * | 1980-06-27 | 1986-02-20 | Fa. Carl Zeiss, 7920 Heidenheim | Verfahren zur Herstellung einer integrierten mikrooptischen Vorrichtung zur Verwendung mit Multimode-Lichtfasern |
| DE3112167A1 (de) * | 1981-03-27 | 1982-10-14 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | "optische koppelanordnung" |
| DE3212590A1 (de) * | 1982-04-03 | 1983-10-13 | Wandel & Goltermann Gmbh & Co, 7412 Eningen | Verfahren und vorrichtung zum optischen entzerren von signalen bei ihrer uebertragung ueber lichtwellenleiter |
| DE4014796A1 (de) * | 1990-05-09 | 1991-11-14 | Rheydt Kabelwerk Ag | Verfahren zur linearisierung der uebertragungsfunktion |
-
1976
- 1976-07-16 IT IT6878476A patent/IT1071131B/it active
-
1977
- 1977-07-05 FR FR7720596A patent/FR2358671A1/fr active Granted
- 1977-07-13 NL NL7707788A patent/NL7707788A/xx not_active Application Discontinuation
- 1977-07-14 CA CA282,705A patent/CA1072790A/en not_active Expired
- 1977-07-14 DE DE19772731957 patent/DE2731957C3/de not_active Expired
- 1977-07-18 GB GB3002077A patent/GB1582532A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2220501A (en) * | 1988-07-06 | 1990-01-10 | Plessey Co Plc | Coupling waveguides using transverse cylindrical lenses |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7707788A (nl) | 1978-01-18 |
| FR2358671A1 (fr) | 1978-02-10 |
| DE2731957B2 (de) | 1979-05-31 |
| DE2731957A1 (de) | 1978-01-19 |
| CA1072790A (en) | 1980-03-04 |
| IT1071131B (it) | 1985-04-02 |
| DE2731957C3 (de) | 1980-03-06 |
| FR2358671B1 (enExample) | 1980-12-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |