JPH0326697Y2 - - Google Patents
Info
- Publication number
- JPH0326697Y2 JPH0326697Y2 JP1990046835U JP4683590U JPH0326697Y2 JP H0326697 Y2 JPH0326697 Y2 JP H0326697Y2 JP 1990046835 U JP1990046835 U JP 1990046835U JP 4683590 U JP4683590 U JP 4683590U JP H0326697 Y2 JPH0326697 Y2 JP H0326697Y2
- Authority
- JP
- Japan
- Prior art keywords
- transmission device
- optical transmission
- optical
- spectral image
- light emitting
- 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 claims description 24
- 230000005540 biological transmission Effects 0.000 claims description 20
- 230000003595 spectral effect Effects 0.000 claims description 14
- 239000013307 optical fiber Substances 0.000 claims description 11
- 238000001228 spectrum Methods 0.000 claims description 10
- 238000000295 emission spectrum Methods 0.000 claims description 6
- 238000003491 array Methods 0.000 claims description 4
- 230000005855 radiation Effects 0.000 claims description 4
- 239000000835 fiber Substances 0.000 description 6
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 5
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- GPXJNWSHGFTCBW-UHFFFAOYSA-N Indium phosphide Chemical compound [In]#P GPXJNWSHGFTCBW-UHFFFAOYSA-N 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910005540 GaP Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- MDPILPRLPQYEEN-UHFFFAOYSA-N aluminium arsenide Chemical compound [As]#[Al] MDPILPRLPQYEEN-UHFFFAOYSA-N 0.000 description 1
- 230000003190 augmentative effect Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- HZXMRANICFIONG-UHFFFAOYSA-N gallium phosphide Chemical compound [Ga]#P HZXMRANICFIONG-UHFFFAOYSA-N 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- OCGWQDWYSQAFTO-UHFFFAOYSA-N tellanylidenelead Chemical compound [Pb]=[Te] OCGWQDWYSQAFTO-UHFFFAOYSA-N 0.000 description 1
- WYUZTTNXJUJWQQ-UHFFFAOYSA-N tin telluride Chemical compound [Te]=[Sn] WYUZTTNXJUJWQQ-UHFFFAOYSA-N 0.000 description 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
- G02B6/29304—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 diffraction, e.g. grating
- G02B6/29305—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 diffraction, e.g. grating as bulk element, i.e. free space arrangement external to a light guide
- G02B6/29307—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 diffraction, e.g. grating as bulk element, i.e. free space arrangement external to a light guide components assembled in or forming a solid transparent unitary block, e.g. for facilitating component alignment
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
-
- 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
- G02B6/29304—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 diffraction, e.g. grating
- G02B6/29305—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 diffraction, e.g. grating as bulk element, i.e. free space arrangement external to a light guide
- G02B6/2931—Diffractive element operating in reflection
-
- 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
- G02B6/29379—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 characterised by the function or use of the complete device
- G02B6/2938—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 characterised by the function or use of the complete device for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Optical Couplings Of Light Guides (AREA)
- Spectrometry And Color Measurement (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8034236 | 1980-10-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02141150U JPH02141150U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-11-27 |
| JPH0326697Y2 true JPH0326697Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-06-10 |
Family
ID=10516858
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56503281A Pending JPS57501808A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-10-23 | 1981-10-22 | |
| JP1990046835U Expired JPH0326697Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-10-23 | 1990-05-01 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56503281A Pending JPS57501808A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-10-23 | 1981-10-22 |
Country Status (3)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2537808A1 (fr) * | 1982-12-08 | 1984-06-15 | Instruments Sa | Composant optique a fonction partagee pour teletransmissions optiques |
| FR2543768A1 (fr) * | 1983-03-31 | 1984-10-05 | Instruments Sa | Multiplexeur-demultiplexeur de longueurs d'onde, et procede de realisation d'un tel ensemble |
| GB2147715B (en) * | 1983-10-03 | 1987-11-04 | Int Standard Electric Corp | Optical coupler |
| GB2202404B (en) * | 1987-03-13 | 1991-01-02 | Plessey Co Plc | Apparatus for optical wavelength division multiplexing |
| DE4038638A1 (de) * | 1990-12-04 | 1992-06-11 | Zeiss Carl Fa | Diodenzeilen-spektrometer |
| NL1011146C2 (nl) * | 1999-01-27 | 2000-07-31 | Spectrostar B V | Spectrofotometer. |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3845294A (en) * | 1973-05-09 | 1974-10-29 | Bell Telephone Labor Inc | Multiplexed communications system |
| FR2258751B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1974-01-18 | 1978-12-08 | Thomson Csf | |
| US4198117A (en) * | 1976-12-28 | 1980-04-15 | Nippon Electric Co., Ltd. | Optical wavelength-division multiplexing and demultiplexing device |
| CA1089932A (en) * | 1977-12-05 | 1980-11-18 | Norman Toms | Wavelength division multiplexer/demultiplexer in optical fiber communication systems |
| DE2945219C2 (de) * | 1979-11-09 | 1984-05-10 | Felten & Guilleaume Fernmeldeanlagen Gmbh, 8500 Nuernberg | Abstimmbarer Halbleiterlaser |
| DK156381A (da) * | 1980-04-08 | 1981-10-09 | Instruments Sa | Monokromator |
-
1981
- 1981-10-22 JP JP56503281A patent/JPS57501808A/ja active Pending
- 1981-10-22 WO PCT/GB1981/000231 patent/WO1982001631A1/en active IP Right Grant
- 1981-10-22 EP EP81902800A patent/EP0063126B1/en not_active Expired
-
1990
- 1990-05-01 JP JP1990046835U patent/JPH0326697Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57501808A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1982-10-07 |
| EP0063126B1 (en) | 1985-09-25 |
| JPH02141150U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-11-27 |
| WO1982001631A1 (en) | 1982-05-13 |
| EP0063126A1 (en) | 1982-10-27 |
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