JPS6146812B2 - - Google Patents
Info
- Publication number
- JPS6146812B2 JPS6146812B2 JP56090266A JP9026681A JPS6146812B2 JP S6146812 B2 JPS6146812 B2 JP S6146812B2 JP 56090266 A JP56090266 A JP 56090266A JP 9026681 A JP9026681 A JP 9026681A JP S6146812 B2 JPS6146812 B2 JP S6146812B2
- Authority
- JP
- Japan
- Prior art keywords
- optical
- light
- signals
- detector
- heterodyne detector
- 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 38
- 239000013307 optical fiber Substances 0.000 claims description 20
- 238000001514 detection method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 238000005253 cladding Methods 0.000 description 2
- 230000035559 beat frequency Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 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
- H04B10/60—Receivers
-
- 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
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4202—Packages, e.g. shape, construction, internal or external details for coupling an active element with fibres without intermediate optical elements, e.g. fibres with plane ends, fibres with shaped ends, bundles
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2/00—Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light
- G02F2/002—Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light using optical mixing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Couplings Of Light Guides (AREA)
- Optical Communication System (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56090266A JPS57204517A (en) | 1981-06-12 | 1981-06-12 | Optical heterodyne detector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56090266A JPS57204517A (en) | 1981-06-12 | 1981-06-12 | Optical heterodyne detector |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57204517A JPS57204517A (en) | 1982-12-15 |
JPS6146812B2 true JPS6146812B2 (enrdf_load_stackoverflow) | 1986-10-16 |
Family
ID=13993696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56090266A Granted JPS57204517A (en) | 1981-06-12 | 1981-06-12 | Optical heterodyne detector |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57204517A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0354332U (enrdf_load_stackoverflow) * | 1989-09-30 | 1991-05-27 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2514073A (en) * | 2010-09-09 | 2014-11-19 | Univ Dublin City | An optical measurement method and system |
-
1981
- 1981-06-12 JP JP56090266A patent/JPS57204517A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0354332U (enrdf_load_stackoverflow) * | 1989-09-30 | 1991-05-27 |
Also Published As
Publication number | Publication date |
---|---|
JPS57204517A (en) | 1982-12-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4648083A (en) | All-optical towed and conformal arrays | |
US5883548A (en) | Demodulation system and method for recovering a signal of interest from an undersampled, modulated carrier | |
JP2871702B2 (ja) | 集積ファイバ光学送受信装置 | |
US5589970A (en) | Locking apparatus for optical frequency multiplex system | |
CN101287965B (zh) | 调相光导纤维传感器系统信号的解调 | |
DE69429707D1 (de) | Lageunabhängige OTDR Technikanwendung auf Basis von Korrelation in einem verzweigten faseroptischen Netzwerk während des Betriebs | |
CN109839616A (zh) | 雷达系统和用于运行雷达系统的方法 | |
JPH05136740A (ja) | 光空間通信装置 | |
KR910010929A (ko) | 왜곡제거용 광섬유 전송장치 및 그 전송방법 | |
JPS6146812B2 (enrdf_load_stackoverflow) | ||
CN212721728U (zh) | 基于正交频分复用的高频率响应光纤水听器阵列探测系统 | |
US5414550A (en) | Optical heterodyne detector and receiver | |
JP3385521B2 (ja) | 周波数分割多重方式光ファイバセンサシステム | |
JP3376957B2 (ja) | 光ファイバの波長分散測定装置およびその方法 | |
JP2959782B2 (ja) | 光情報通信方法 | |
JP2851247B2 (ja) | 光伝送システム | |
EP1026840A1 (en) | Polarisation modulation for optical transmission | |
US7136592B2 (en) | Self aligning optical detector | |
JPH06109530A (ja) | 光音響センサアレイシステム | |
JP2753101B2 (ja) | コヒーレント光伝送装置 | |
JPS60107626A (ja) | 光ヘテロダイン・ホモダイン通信方法 | |
GB2237468A (en) | Optical transmission process and system | |
JPH0650840A (ja) | 光ファイバ切断検出方法およびその装置 | |
JPS6337335B2 (enrdf_load_stackoverflow) | ||
JPH05300125A (ja) | 光情報伝達装置 |