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Tuesday, November 17, 2020 | History

4 edition of Optical techniques for sensing and measurement in hostile environments found in the catalog.

Optical techniques for sensing and measurement in hostile environments

21-22 May 1987, Orlando, Florida

by

  • 109 Want to read
  • 38 Currently reading

Published by SPIE in Bellingham, Wash., USA .
Written in English

    Subjects:
  • Optical measurements -- Congresses.,
  • Remote sensing -- Congresses.

  • Edition Notes

    Includes bibliographies and index.

    StatementCalvin H. Gillespie, Roger A. Greenwell, chairs/editors ; sponsored by SPIE--the International Society for Optical Engineering ; cooperating organizations, Center for Applied Optics/University of Alabama in Huntsville ... [et al.].
    SeriesProceedings of SPIE--the International Society for Optical Engineering ;, v. 787
    ContributionsGillespie, Calvin H., Greenwell, Roger A., Society of Photo-optical Instrumentation Engineers.
    Classifications
    LC ClassificationsTA1505 .O675 1987
    The Physical Object
    Paginationviii, 154 p. :
    Number of Pages154
    ID Numbers
    Open LibraryOL2411394M
    ISBN 100892528222
    LC Control Number87061631

      A Beginner’s Guide to the World of Satellite Data Over a thousand active satellites are in orbit around the Earth with applications including navigation, the transmission of data and satellite remote sensing; a space-based technology providing data accessible to everyone. The Practical Handbook of Remote Sensing offers a complete understanding of the basic scientific principles needed to. Vision in hostile environments With computer processing a given, the key issue is sensor survival. By Walt Pastorius and Nicholas Sheble. There are numerous process monitoring jobs for vision sensors in hostile manufacturing environments, such as arc and spot welding, molten metal pouring, wood processing, and electronics. Abstract: An optical fiber temperature sensing probe is implanted into a human body or other object that is being heated, either by ultrasonic radiation alone or by a combination of ultrasonic and electromagnetic (radio frequency or microwave) energy. In order to measure temperature in an ultrasound field without the probe introducing errors, the probe is made to be substantially thermally non. Abstract: Optical techniques developed for sensing purposes proved to be essential in many application fields, ranging from aerospace, industry, process control, to security, and also medicine. The capabilities of these sensors are generally enhanced when a bulk-optical configuration is replaced by optical fibre technology.


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Optical techniques for sensing and measurement in hostile environments Download PDF EPUB FB2

Optical Techniques for Sensing and Measurement in Hostile Environments Editor(s): Calvin H. Gillespie; Roger A. Greenwell *This item is only available on the SPIE Digital Library. Optical techniques for sensing and measurement in hostile environments.

Bellingham, Wash., USA: SPIE, © (OCoLC) Material Type: Conference publication: Document Type: Book: All Authors / Contributors: Calvin H Gillespie; Roger A Greenwell; Society of Photo-optical Instrumentation Engineers. Optical techniques for sensing and measurement in hostile environments; Proceedings of the Meeting, Orlando, FL, 22, - NASA/ADS.

Papers are presented on referencing in fiber optic sensing systems, optical fiber chemical sensing networks, and the radiation response of new pure silica fibers. Also considered are a comparison of gamma, neutron, and proton irradiations of multimode fibers, a pinhole camera for hot environment Author: Calvin H.

Gillespie, Roger A. Greenwell. @article{osti_, title = {Magneto-optical imaging technique for hostile environments: The ghost imaging approach}, author = {Meda, A.

and Caprile, A. and Avella, A. and Ruo Berchera, I. and Degiovanni, I. and Magni, A. and Genovese, M.}, abstractNote = {In this paper, we develop an approach to magneto optical imaging (MOI), applying a ghost imaging (GI) protocol to perform Author: Meda, A. High-Temperature and Hostile Environment Sensing Through Stress-Wave Propagation Christopher Larsen, Richard A.

Roth, and Stuart Shelley the measurement end from the sensing end which is exposed to the hostile environment. This enables This method applies established methods utilized in optical-based sensor designs such as.

Book Editor(s): Pramod Kulkarni Optical Measurement Techniques: Ex Situ Sensing Optical Measurement Techniques: In Situ Sensing Conclusions.

List of Symbols. References. Citing Literature. Number of times cited according to CrossRef: Steven Tran. Plasmonic Biosensor Uses Thermal and Optical Methods to Detect Posted on at by gonun Optical Techniques for Sensing and Measurement in Hostile - SPIE. Despite the great advance in optical temperature-sensing techniques, challenges remain to search for novel sensing materials with low cost, easy fabrication and high sensitivity.

Specific topics include but are not limited to: (1) novel sensors for hostile-environment materials processes, such as online inclusion detection, temperature, and velocity in molten materials, surface condition of hot moving products, etc.; (2) innovative online sampling and analysis techniques, (3) models for real-time process control and.

Space plasma measurements are conducted in a hostile, remote environment. The art and science of measurements gathered in space depend therefore on unique instrument designs and fabrication methods to an extent perhaps unprecedented in experimental physics.

The pressure signal is sent to outer environment without any electrical interconnects crossing the separation wall between the hostile medium and the outer environment.

A magnetic field is used for transferring the displacement of the inner sensing membrane element situated in the harsh environment to the external part containing the magnetic. •Non-intrusive (seed, but no probes in the flow field) • Robust (no particle collection on probe) • High accuracy (accuracy is predictable) • High precision (Very little drift) • Small measurement volume Optical Techniques: Advantages • Expensive!.

Optical fiber sensing devices for corrosion monitoring have been demonstrated as an attractive approach that can equal or even overcome other conventional sensors providing remote and distributed Optical techniques for sensing and measurement in hostile environments book, large durability, easy integration and installation, or enhanced reliability.

intensity sensors techniques are based on light scattering, spectral transmission to be deployed in hostile environments thanks to their and chemical measurements. Optical fiber-based. a direct measurement of a molecule’s physical properties (its absorption at a specific wavelength), drift is reduced and, because the incident light intensity can be determined, measurements are self-referenced, making them inherently reliable.

In this way, optical gas sensing fills an important. Remote sensing of atmospheric wind profiles using spatio-temporal intensity information and wavefront sensor information Author(s): Miao Yu ; Mikhail A. Vorontsov. About this book This book is an introduction to techniques and applications of optical methods for materials Characterization in civil and environmental engineering.

Emphasizing chemical sensing and diagnostics, it is written for students and researchers studying the physical and chemical processes in manmade or natural materials. Optical sensing and measurement is the name given to a relatively new group of sensing/measurement technologies based on light and optical fibre, rather than electricity and copper wire as used in conventional electrical sensors.

Optical sensing complements, rather than replaces, the need for conventional electrical sensing, by allowing measurements to be made in. Optical metrology should benefit from the development of smart sensors that incorporate data processing capability and from improved optical figure measurement techniques with 1-nm accuracy.

Improvements in window and optical fiber materials will make it possible to use optical sensors to control manufacturing processes in increasingly hostile. High temperature sensors capable of operating in harsh environments are needed in order to prevent disasters caused by structural or system functional failures due to increasing temperatures.

Most existing temperature sensors do not satisfy the needs because they require either physical contact or a battery power supply for signal communication, and furthermore, neither of them can withstand. Optical Measurement Techniques and Applications.

Edited by P.K. RastogiArtech House £ Promoted as a single source of up to date knowledge over a broad spectrum of topics in the rapidly advancing field of optical metrology, this book is a collection of chapters from a number of different authors working across.

The interrogator may be realised by a slave cavity or preferably on an integrated optical platform. As these sensors are intended for hostile gas turbine and aerospace environments, we will also present data from real life engine trials that we have performed, and compare the data we obtained with existing measurement techniques.

The hostile environment of a nuclear plant demands a more careful than usual approach. However, the reliability and accessibility demands of this hostile environment severely constrain the sensor's functional specifications. Damage sensing for the purpose of hazard mitigation is valuable for structures.

Deflection is one of the key parameters that reflects the state of a bridge. However, deflection measurement is difficult for a bridge that is under operation. Most existing sensors and measuring techniques often do not meet the requirements for health monitoring for various types of bridges.

Therefore, based on changes of optical fiber intensity, a novel sensing system using connected pipes. The sensor type used for optical sensing is known as optical sensor. Optical Sensor converts light rays into electrical signal. This is similar to the function performed by photoresistor.

Let us understand working operation of optical sensor. Optical Sensor Working Operation fig:1 Optical sensing In general, there are two components in optical.

Sensing of cellular substrates and environmental stimuli. Their chemical and mechanical transduction in cellular metabolic responses; Induction of cell morphological, metabolic or biochemical modification by nanomaterials and environmental stress; Innovative methods based on nano-mechanical sensors for the measurement of cell motility at nanoscale.

Techniques and Methods 1–D5. Optical Techniques for the Determination of Nitrate in Environmental Waters: Guidelines for Instrument Selection, Operation, Deployment, Maintenance, Quality Assurance, and Data Reporting.

Chapter 5 of. Section D, Water Quality. Book 1, Collection of Water Data by Direct Measurement. This book is an introduction to techniques and applications of optical methods for materials Characterization in civil and environmental engineering.

Emphasizing chemical sensing and diagnostics, it is written for students and researchers studying the physical and chemical processes in manmade or natural materials. Although several sensing techniques have been described in the literature (and some are described in other chapters of this book), PMMA-SI-POF are best suited for the development of sensors that exploit the variation of the received light intensity with the quantity under measurement, which are the so-called intensiometric sensors, and in this.

Journal of Applied Remote Sensing Journal of Astronomical Telescopes, Instruments, and Systems this field has never had a book written from the perspective of an engineer in a modern IC manufacturing and development environment.

semiconductor-specific applications, optical metrology measurement techniques, charged particle measurement. Among the wide variety of available sensors, both optical and non-optical, Fiber Bragg Gratings (FBGs) are the strongest candidates for this kind of systems due to the numerous advantages they offer.

They present roughness in hostile environments, good linearity, simple demodulation concepts, electromagnetic immunity, compactness, embedding. Abstract: There is a large variety of sensing devices for the exploration of oil and gas.

These sensors must operate in exceedingly challenging environments, such as high temperatures and high pressures. The majority of sensors are based on electronics because of the maturity of the technology, but optical sensors have been used successfully for specific measurements where no.

A high temperature resistant fiber-optical microphone (FOM) was developed and successfully applied in a combustion chamber at a thermal power of kW to measure thermo-acoustic oscillations at a frequency of 85 Hz and a sound pressure level of dB. The sensor head temperature was estimated to ∼ K ⁠.

The core of the optical setup. The article discusses four primary topics, namely, system design options, environments and mitigation techniques, preflight calibration and alignment (C&A) in-flight navigation mechanizations, and test and verification.

IEEE standard terminology of inertial sensors and inertial systems is used throughout the article. Master Thesis Optical fiber sensors for residential environments - - 5 operator, or utility company, which already deploys urban optical fibre infrastructure and owns sites throughout their service area where centralized measurement sets can easily be.

TOPICS: Image segmentation, Image quality, Imaging systems, Lens design, Sensors, Image sensors, Electro optical sensors, Electro optics, Reconnaissance, Image restoration Techniques, and Measurement. Investigation on the improvement of Brillouin optical time-domain reflectometer with Golay pulse codes in radiation environment.

Mi Li. This handbook aims to be a comprehensive and up-to-date reference tool for students, scientists, engineers and industrial practitioners who are working in an area of the optical fiber field.

The book. measurements at extremely high temperatures (up to +°C) in hostile environments. They produce only millivolts of output, however, and require precision amplification for further processing. They also require cold-junction-compensation (CJC) techniques which will be discussed shortly.

They are more. The optical fiber as transducer is the limiting factor in the development of robust and practical distributed high temperature sensors in extreme industrial environments.

Optical fibers, under laboratory conditions in the absence of stress, curvature and movement, can withstand temperatures above °C even without protective coatings. Even amid these complications, optical measurement techniques offer great potential for efficient sensing of MPs via in situ automated detection systems.

Well-established optical measurement techniques already form the basis of popular methods for identifying MPs in laboratory settings. Book Description. Optical Fiber Sensors: Advanced Techniques and Applications describes the physical principles of, and latest developments in, optical fiber sensors.

Providing a fundamental understanding of the design, operation, and practical applications of fiber optic sensing systems, this book.Interferometry is a family of techniques in which waves, usually electromagnetic waves, are superimposed, causing the phenomenon of interference, which is used to extract information.

Interferometry is an important investigative technique in the fields of astronomy, fiber optics, engineering metrology, optical metrology, oceanography, seismology, spectroscopy (and its applications to. An optical fiber strain-sensing technique, on the basis of Brillouin optical time domain reflectometry (BOTDR), was used to monitor the performance of a secant pile wall subjected to multiple props during construction of an adjacent basement in London.

Details of the installation of sensors and data processing are described.