CA2697814C - Self-calibrated interrogation system for optical sensors - Google Patents
Self-calibrated interrogation system for optical sensors Download PDFInfo
- Publication number
- CA2697814C CA2697814C CA2697814A CA2697814A CA2697814C CA 2697814 C CA2697814 C CA 2697814C CA 2697814 A CA2697814 A CA 2697814A CA 2697814 A CA2697814 A CA 2697814A CA 2697814 C CA2697814 C CA 2697814C
- Authority
- CA
- Canada
- Prior art keywords
- optical
- signal
- optical detector
- pressure sensor
- light source
- 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 - Fee Related
Links
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/0076—Transmitting or indicating the displacement of flexible diaphragms using photoelectric means
- G01L9/0077—Transmitting or indicating the displacement of flexible diaphragms using photoelectric means for measuring reflected light
- G01L9/0079—Transmitting or indicating the displacement of flexible diaphragms using photoelectric means for measuring reflected light with Fabry-Perot arrangements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/413,812 | 2009-03-30 | ||
| US12/413,812 US8199334B2 (en) | 2009-03-30 | 2009-03-30 | Self-calibrated interrogation system for optical sensors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2697814A1 CA2697814A1 (en) | 2010-09-30 |
| CA2697814C true CA2697814C (en) | 2017-07-04 |
Family
ID=42289623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2697814A Expired - Fee Related CA2697814C (en) | 2009-03-30 | 2010-03-25 | Self-calibrated interrogation system for optical sensors |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8199334B2 (enExample) |
| EP (1) | EP2237008A3 (enExample) |
| JP (1) | JP2010237205A (enExample) |
| CA (1) | CA2697814C (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9932852B2 (en) * | 2011-08-08 | 2018-04-03 | General Electric Company | Sensor assembly for rotating devices and methods for fabricating |
| JP6007454B2 (ja) * | 2012-08-22 | 2016-10-12 | 国立研究開発法人日本原子力研究開発機構 | 水分センサ |
| GB2511803B (en) * | 2013-03-14 | 2015-07-29 | Kidde Tech Inc | Pneumatic sensing apparatus |
| US9804033B2 (en) * | 2013-04-25 | 2017-10-31 | Sentek Instrument LLC | Sapphire sensor for measuring pressure and temperature |
| US11988539B2 (en) * | 2013-10-09 | 2024-05-21 | Parker-Hannifin Corporation | Aircraft fluid gauging techniques using pressure measurements and optical sensors |
| ES2670015T3 (es) * | 2015-05-12 | 2018-05-29 | Braun Gmbh | Dispositivo de higiene personal con unidad de medición de la fuerza de tratamiento |
| US9945740B2 (en) * | 2015-05-14 | 2018-04-17 | Kulite Semiconductor Products, Inc. | Two wavelength optical interferometric pressure switch and pressure transducers |
| CN105136379A (zh) * | 2015-07-17 | 2015-12-09 | 中国电子科技集团公司第四十九研究所 | 一种动态压力传感芯片 |
| CN113916438B (zh) * | 2021-12-08 | 2022-02-25 | 广东海洋大学 | 消除温度干扰的法珀干涉光纤压力传感器及其制作方法 |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4703175A (en) | 1985-08-19 | 1987-10-27 | Tacan Corporation | Fiber-optic sensor with two different wavelengths of light traveling together through the sensor head |
| US4933545A (en) * | 1985-12-30 | 1990-06-12 | Metricor, Inc. | Optical pressure-sensing system using optical resonator cavity |
| US4712004A (en) | 1986-08-20 | 1987-12-08 | Simmonds Precision Products, Inc. | Method and apparatus for compensating fiber optic lead and connector losses in a fiber optic sensor by using a broadband optical source and multiple wave retardation |
| US5606170A (en) | 1995-02-03 | 1997-02-25 | Research International, Inc. | Multifunctional sensor system |
| JP3307153B2 (ja) * | 1995-05-15 | 2002-07-24 | 三菱電機株式会社 | レーザレーダ装置 |
| US5742200A (en) | 1996-05-14 | 1998-04-21 | Alliedsignal Inc. | Environmentally rugged optical sensor with improved noise cancellation |
| US5929990A (en) | 1997-03-19 | 1999-07-27 | Litton Systems, Inc. | Fabry-perot pressure sensing system with ratioed quadrature pulse detection |
| US6792023B1 (en) * | 1998-06-04 | 2004-09-14 | Lambda Physik Ag | Method and apparatus for reduction of spectral fluctuations |
| SE514744C2 (sv) * | 1999-07-06 | 2001-04-09 | Samba Sensors Ab | Förfarande och anordning vid optiska mätsystem |
| CA2279645A1 (en) * | 1999-08-04 | 2001-02-04 | Nortel Networks Corporation | Two-stage modular wide-band optical amplifiers |
| US6612174B2 (en) | 2000-02-11 | 2003-09-02 | Rosemount Inc. | Optical pressure sensor |
| EP1535023A4 (en) | 2002-09-06 | 2007-05-30 | Virginia Tech Intell Prop | INTRINSIC FABRY PEROT FIBER OPTIC SENSORS AND MULTIPLEXES |
| AU2003278933A1 (en) * | 2002-09-26 | 2004-04-19 | Prime Photonics, Inc. | Active q-point stabilization for linear interferometric sensors |
| US7054011B2 (en) | 2003-09-04 | 2006-05-30 | Virginia Tech Intellectual Properties, Inc. | Optical fiber pressure and acceleration sensor fabricated on a fiber endface |
| US7173713B2 (en) | 2004-03-04 | 2007-02-06 | Virginia Tech Intellectual Properties, Inc. | Optical fiber sensors for harsh environments |
| US20050195402A1 (en) | 2004-03-04 | 2005-09-08 | Russell May | Crystalline optical fiber sensors for harsh environments |
| EP1586854A3 (en) | 2004-04-15 | 2006-02-08 | Davidson Instruments | Interferometric signal conditioner for measurement of the absolute length of gaps in a fiber optic Fabry-Pérot interferometer |
| US7313965B2 (en) | 2004-12-27 | 2008-01-01 | General Electric Company | High-temperature pressure sensor |
| JP4817786B2 (ja) * | 2005-10-03 | 2011-11-16 | 株式会社山武 | 差圧測定システム及び差圧測定方法 |
| AU2005225034B2 (en) * | 2005-10-18 | 2011-08-11 | The Australian National University | Interferometric sensor |
| US7551295B2 (en) * | 2006-06-01 | 2009-06-23 | Symphony Acoustics, Inc. | Displacement sensor |
| US20080106745A1 (en) | 2006-08-31 | 2008-05-08 | Haber Todd C | Method and apparatus for high frequency optical sensor interrogation |
-
2009
- 2009-03-30 US US12/413,812 patent/US8199334B2/en active Active
-
2010
- 2010-03-18 EP EP10156975.4A patent/EP2237008A3/en not_active Withdrawn
- 2010-03-25 CA CA2697814A patent/CA2697814C/en not_active Expired - Fee Related
- 2010-03-26 JP JP2010071272A patent/JP2010237205A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US8199334B2 (en) | 2012-06-12 |
| US20100245840A1 (en) | 2010-09-30 |
| EP2237008A2 (en) | 2010-10-06 |
| JP2010237205A (ja) | 2010-10-21 |
| EP2237008A3 (en) | 2016-07-27 |
| CA2697814A1 (en) | 2010-09-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20150123 |
|
| MKLA | Lapsed |
Effective date: 20190325 |