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Optiq Schlumberger FiberOptic Solutions | Schlumberger

The use of fiberoptic sensing and its capabilities are being maximized now more than ever within the energy industry. Traditional measurements typically rely on discrete sensors that measure at certain points, whereas distributed sensing technology uses fiberoptic strands as the sensor.


Gas detection with micro and nanoengineered optical ...

Dec 01, 2013· Conventionally, fiber optic gas sensors are based on measuring the optical absorption at specific wavelengths with an openpath absorption cell comprising a pair of collimator lenses with fiber pigtails. The optical fiber here just performs a purely passive role in transferring light to and from the absorption cell but plays no part in gas ...


Optical FiberTop Microcavity Sensor for CO2 Detection

Optical FiberTop Microcavity Sensor for CO 2 Detection . Jushuai Wu 1, Mingjie Yin 1, Karoline Taeuber 2, Alessandro Dani 2, Ryan Guterman 2, Jiayin Yuan 2, A. Ping Zhang 1* and HwaYaw Tam1. 1Photonics Research Center, Department of Electrical Engineering, The Hong Kong Polytechnic University, Kowloon, Hong Kong SAR, China


Assisting Gas Detection with Fiber Optics

Jan 03, 2019· “Fiber optics assisted ammonia gas detection property of gamma irradiated magnesium tetraborate” Mohandoss R., Sensors and Actuators A: …


Fiber optic sensor for H2 gas detection in the presence of ...

In this paper I report the preparation and characterisation of an improved hydrogen gas sensor with a better sensitivity, using an amorphous thin WO3 film covered Pd film. Using a very sensitive optical sensing technique, such as the interference phenomena and a special configuration of the sensing structure were obtained interested results showing the influence of H2 gas ...


FiberOptic Acoustic Sensors for Geophysical Applications ...

Robert Mellors (17ERD015) Executive Summary We are developing subsurface fiberoptic sensors and advancing an underground computersimulation code for monitoring hydraulic simulation of lowflowing oil and gas reservoirs. Remote sensing of subsurface phenomena is a continuing focus for various energy and national security concerns. Our research could enable improved energy …


Silica Optical Fiber Technology For Devices And Components ...

Fiber optic sensors embedded within materials and systems are able to measure a variety of parameters ( temperature, vibration, deformation, strain, etc.) that allows for real time nondestructive evaluation. Examples include the following: monitoring structural fatigue in aging aircraft or loads in bridge structures. In more advanced ...


PolyU Electronic Theses: All optical fiber photothermal ...

Optical fiberbased technologies have been employed for trace gas detection due to the advantages of compact size, remote interrogation and sensor networking. However, the performance of direct absorption based optical fiber gas sensors, including those made of microoptic lenses with fiber pigtails and solid or hollow core microstructured ...


Gas chromatographic sensing on an optical fiber by mode ...

A chemical sensor for gas phase measurements is reported which combines the principles of chemical separation and fiber optic detection. The analyzer incorporates an annular column Chromatographic sensor, constructed by inserting a polymerclad optical fiber into a silica capillary. Light from a heliumneon laser is launched down the fiber, producing a steady intensity distribution within the ...


US5436167A Fiber optics gas sensor Google Patents

A meter or other device connected to the light detector is adjusted to register a variation in the signal received by the light detector, indicating the presence of a detectable gas. US5436167A Fiber optics gas sensor Google Patents Fiber optics gas sensor Download PDF Info Publication number US5436167A. US5436167A US08/046 ...


Alloptical highsensitivity resonant photoacoustic sensor ...

This paper presents an alloptical highsensitivity resonant photoacoustic (PA) sensor to realize remote, longdistance and spacelimited trace gas detection. The sensor is an integration of a Ttype resonant PA cell and a particular cantileverbased fiberoptic acoustic sensor. The finite element simulations about the cantilever vibration mode and the PA field distributions are carried out ...


Review Of Fibre Optic Gas Sensors SPIE Digital Library

Feb 23, 1989· This short review presents an outline of recent work on opticalfibrebased sensors for the detection of gases. Emphasis will be placed on aspects related to the detection of flammable gases in general and of methane in particular, in view of the importance of explosion hazards in many industrial workplaces, particularly from naturally occuring methane gas.


Fiber optic gas sensor based on light detection from the ...

Dec 01, 2018· The gas sensing characteristics of nanocrystalline samarium oxide (Sm 2 O 3) clad modified fiber optic gas sensor are reported with and without a carrier gas (air) in the radiation mode (detection of a light radiating from the clad modified surface) and transmission mode (detection of a light transmitted through the fiber) for ammonia, ethanol, methanol and acetone gases.


PIPELINE LEAKAGE DETECTION USING FIBEROPTIC …

leveraging alreadyinstalled, dark or lit optical fibers for leakage detection purposes. In a blind test conducted by an independent consultant, the fiberoptic based DSTS from OZ Optics Ltd. was able to detect all leakage incidents, with 40 different leakage volumes during one month of testing.


Using Pd/WO3 composite thin films as sensing materials for ...

Jan 07, 2010· Abstract In this article, a fiberoptic hydrogen gas sensor using composite palladium and tungsten trioxide (WO 3 ) was proposed and characterized. By magnetron cosputtering process, Pd/WO 3 composite thin films were deposited on end surface of a singlemode fiber (SMF) and a sideetched multimode fiber (MMF). Modulation of optical power intensity is observed with different hydrogen ...


Distributed Fiber Optic Gas Sensing for Harsh Environment ...

Mar 14, 2008· article{osti_938805, title = {Distributed Fiber Optic Gas Sensing for Harsh Environment}, author = {Wu, Juntao}, abstractNote = {This report summarizes work to develop a novel distributed fiberoptic microsensor that is capable of detecting common fossil fuel gases in harsh environments. During the 32month research and development (RD) program, GE Global Research …


Fiber Optics Sensors | LaseOptics Corporation

Sep 25, 2017· The fiber optic sensor has an optical fiber connected to a light source to allow for detection in tight spaces or where a small profile is beneficial. The fiberoptic cable that is connected to the amplifier allows the sensor to reach areas inaccessible to standard photoelectric sensors.


Recent Advances in Spectroscopic Gas ... Photonic Sensors

Mar 26, 2021· With micro and nanostructured optical fibers, partspermillion to partspertrillion level gas detection has been demonstrated for a range of gases such as methane, acetylene, ethane, carbon monoxide, hydrogen, and oxygen. We review the recent development in optical fiber gas cells and gas detection systems based on direct absorption, photothermal, photoacoustic, and stimulated Raman ...


CdS coated cladmodified fiber optic sensor for detection ...

Sep 18, 2019· From the results, it was concluded that wellformed and wellspaced nanomesh exhibited a better gas sensitivity than others. Hence the reported CdScoated fiber optic gas sensor with CdS20 fiber with a response time of 10 min may be considered for detection of hazardous NO 2 in environment.


Fiberoptic Photoacoustic Sensor for Remote Monitoring …

We present a fiberoptic photoacoustic (PA) sensor for remote monitoring of gas microleakage. The gas sensing head is a miniature ferruletop PA cavity with a cantilever beam. Gas diffuses into the cavity from the gap around the cantilever beam, and a small hole opens on the side wall. The volume of the optimized PA cavity is only 70 μL.


Dissolved gas sensing using an antiresonant hollow core ...

Sensors that measure dissolved gases directly are needed for environmental, industrial, and biomedical applications. Here we present a hollow core fiber optic sensor capable of measuring dissolved methane gas in liquids using only nanoliters of sample gas. The sensor is based on an antiresonant hollow core fiber combined with a permeable capillary membrane inlet that extracts gas from the ...


Assisting Gas Detection with Fiber Optics

Jan 03, 2019· “Fiber optics assisted ammonia gas detection property of gamma irradiated magnesium tetraborate” Mohandoss R., Sensors and Actuators A: Physical¸ 2019, DOI: /


Fiber optic sensor for H2 gas detection innowell company

Reference: Fiber optic sensor for H2 gas detection in the presence of methanebased on Pd/WO3 lowcoherence interferometric structure . InnoWell is an innovative company in the field of the optical gateway and fiberopticsbased sensors. The various products of InnoWell can fulfill customers’ requirements for measuring temperature, and types ...


LongRange Pipeline Monitoring by Distributed Fiber Optic ...

by Distributed Fiber Optic ... detection on brine and gas pipelines, strain monitoring on gas pipelines and combined ... tributed sensors consist of a single optical fiber sensitive over its entire length. A single distributed fiber optic sensor could therefore replace thousands of …