CA2285708C - Methode et dispositif de demultiplexage dans le domaine temporel de mosaiques de capteurs a reseaux de bragg a fibres optiques en serie - Google Patents
Methode et dispositif de demultiplexage dans le domaine temporel de mosaiques de capteurs a reseaux de bragg a fibres optiques en serie Download PDFInfo
- Publication number
- CA2285708C CA2285708C CA 2285708 CA2285708A CA2285708C CA 2285708 C CA2285708 C CA 2285708C CA 2285708 CA2285708 CA 2285708 CA 2285708 A CA2285708 A CA 2285708A CA 2285708 C CA2285708 C CA 2285708C
- Authority
- CA
- Canada
- Prior art keywords
- optical
- pulses
- modulator
- electro
- bragg gratings
- 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 - Lifetime
Links
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- 230000005540 biological transmission Effects 0.000 claims abstract description 68
- 239000013307 optical fiber Substances 0.000 claims description 47
- 238000001514 detection method Methods 0.000 claims description 26
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 230000010287 polarization Effects 0.000 claims description 10
- 230000002123 temporal effect Effects 0.000 claims description 8
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- 238000010521 absorption reaction Methods 0.000 claims description 2
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
- G01D5/35383—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using multiple sensor devices using multiplexing techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
- G01K11/3206—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres at discrete locations in the fibre, e.g. using Bragg scattering
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Communication System (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2285708 CA2285708C (fr) | 1999-10-08 | 1999-10-08 | Methode et dispositif de demultiplexage dans le domaine temporel de mosaiques de capteurs a reseaux de bragg a fibres optiques en serie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2285708 CA2285708C (fr) | 1999-10-08 | 1999-10-08 | Methode et dispositif de demultiplexage dans le domaine temporel de mosaiques de capteurs a reseaux de bragg a fibres optiques en serie |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2285708A1 CA2285708A1 (fr) | 2001-04-08 |
| CA2285708C true CA2285708C (fr) | 2010-09-28 |
Family
ID=4164338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2285708 Expired - Lifetime CA2285708C (fr) | 1999-10-08 | 1999-10-08 | Methode et dispositif de demultiplexage dans le domaine temporel de mosaiques de capteurs a reseaux de bragg a fibres optiques en serie |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2285708C (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183267B (zh) * | 2011-03-11 | 2015-08-19 | 江苏联通电缆有限公司 | 一种光纤布拉格光栅传感系统 |
| CN106706011B (zh) * | 2016-12-27 | 2018-12-28 | 北京航空航天大学 | 一种滤除光纤布拉格光栅传感器解调中脉冲杂波的方法 |
| CN106840224B (zh) * | 2017-01-24 | 2022-12-02 | 长春工业大学 | 基于电吸收调制器的光纤布拉格光栅解调系统及寻峰方法 |
| CN113916271B (zh) * | 2021-10-11 | 2023-10-31 | 欧梯恩智能科技(苏州)有限公司 | 光学传感器寻址芯片、模组、测量系统及测量方法 |
| CN121141671A (zh) * | 2025-11-04 | 2025-12-16 | 湖北三峡职业技术学院 | 基于分布式光纤传感的预制混凝土梁健康监测方法及系统 |
-
1999
- 1999-10-08 CA CA 2285708 patent/CA2285708C/fr not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CA2285708A1 (fr) | 2001-04-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20191008 |