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Saturday, May 9, 2020 | History

2 edition of Fabry-Perot fiber-optic temperature sensor system found in the catalog.

Fabry-Perot fiber-optic temperature sensor system

Fabry-Perot fiber-optic temperature sensor system

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  • 21 Currently reading

Published by National Aeronautics and Space Administration, National Technical Information Service, distributor in [Washington, D.C, Springfield, Va .
Written in English

    Subjects:
  • Temperature sensors.,
  • Temperature control.,
  • Optical measuring instruments.,
  • Optical fibers.,
  • Fiber optics.,
  • Gas temperature.

  • Edition Notes

    Other titlesFabry Perot fiber optic temperature sensor system.
    StatementMargaret L. Tuma ... [et al.].
    SeriesNASA TM -- 113172., NASA technical memorandum -- 113172.
    ContributionsTuma, Margaret L., United States. National Aeronautics and Space Administration.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL18118697M

    Subsequent chapters cover: * Extrinsic or hybrid fiber optic sensors * Intensity sensors for monitoring temperature, position, and other environmental aspects * The Fabry-Perot based fiber optic sensor * The Mach-Zehnder interferometer * The Sagnac interferometer and fiber gyroscopes * Displacement fiber optic sensors * Polarization sensors. Fabry-Perot interferometers having different mirror reflectivifies R. Figure Input and output spectra of silicon Fabry-Perot temperature sensor at 25 and °C, using an LED source. Figure Fiber-optic temperature sensor using a thin-film Fabry-Perot Size: 9MB.

    Get this from a library! Fabry-Perot fiber-optic temperature sensor system. [Margaret L Tuma; United States. National Aeronautics and Space Administration.;].   Pressure sensors based on fiber-optic extrinsic Fabry-Perot interferometer (EFPI) have been extensively applied in various industrial and biomedical fields. In this paper, some key improvements of EFPI-based pressure sensors such as the controlled thermal bonding technique, diaphragm-based EFPI sensors, and white light interference technology have been by:

      A miniature fiber-optic temperature sensor based on a Fabry–Perot interferometer. Qiangzhou Rong, Hao Sun, Xueguang Qiao, Jing Zhang, Manli Hu and Zhongyao Feng. Published 16 March • IOP Publishing Ltd Journal of Optics, Vol Number 4Cited by: Optical interferometry as a precision metrology has been widely employed in many aspects for accurate measurements of various physical quantities. As an important branch of measurement technology, now the fiber-optic interferometry technology, based on fiber-optic and laser technologies, has been developed and widely applied in sensor fields for detections of various unknown or uncontrolled Cited by: 2.


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Fabry-Perot fiber-optic temperature sensor system Download PDF EPUB FB2

He is a fellow of the International Society of Optical Engineering and has been working on fiber-optic Fabry-Perot sensors since he joined the groups of two outstanding pioneers of fiber-optic sensors, Prof.

Brian Culshaw and Prof. David Jackson, in the early s. He has authored or co-authored more than peer-reviewed papers Brand: CRC Press. Fiber-Optic Temperature Sensor Using a Thin-Film Fabry-Perot Interferometer Paperback – Ma by Glenn Beheim (Author), National Aeronautics and Space Administr (Creator) See all 2 formats and editions Hide other formats and editionsCited by: 9.

Fiber-Optic Fabry-Perot Sensors: An Introduction - CRC Press Book The authors deliver a complete overview of fiber-optic Fabry-Perot (FFP) sensing technology, integrating the knowledge and tools of multiple fields including optics, sensing, micromachining, instrumentation, physics, and.

Physical sensors Biochemical sensors Temperature-insensitive or temperature-compensated sensing. Interrogation and Multiplexing Techniques for Fiber-Optic Fabry-Perot Sensors Introduction Intensity interrogating methods and instruments Spectral interrogating for absolute OPD demodulation OPD demodulation methods Multiplexing methods of FFP sensors.

For Fabry‐Perot sensors, a number of additional benefits from the use of multimode fiber can be realized: (1) inexpensive sensing elements and (2) a wide variety of sensor types use the same optical readout.

Single‐mode Fabry‐Perot sensors generally use laser sources and can form the sensing interferometer within the fiber by: 4. Abstract In this paper, we introduced a new fiber-optic temperature sensor with white light interferometric principle based on Fabry-Perot, which is capable of providing measurement for the temperature of greenhouse.

Abstract: The fabrication, characterization and encapsulation of a fiber optic temperature sensor based upon a micro Fabry-Perot (F-P) cavity is presented.

The F-P cavity is formed between a reflective in-fiber metallic splice and the air-fiber boundary at the end of the sensor.

A change in temperature modifies the optical cavity length, and this is observed as a change in the reflected Cited by:   In this paper, a miniature and highly sensitive optic fiber temperature sensor that is based on the PDMS-filled air-microbubble Fabry-Perot cavity in a hollow core fiber (HCF) is proposed and demonstrated by the experiment.

The proposed sensor is composed of a single mode fiber (SMF) splicing a hollow-cored fiber (HCF).Cited by: A number of significant technologies were developed under this program, including • a laser bonded silica high temperature fiber sensor with a high temperature capability up to °C and a frequency response up to kHz, • the world’s smallest fiber Fabry-Perot high temperature pressure sensor ( x 20 μm) with °C capability.

Figure Basic elements of an optical fiber sensing system. The fiber sensor can be either an intrinsic one--if the modulation takes place directly in the fiber--or extrinsic, if the modulation is performed by some external transducer as depicted in Fig.

Figure Classification of optical fiber sensors. File Size: KB. A fiber-optic Fabry–Perot pressure sensor based on a micro-electro-mechanical system (MEMS) and CO 2 laser fusion technology is developed and experimentally demonstrated for high-temperature application.

The sensing heads are batch-fabricated by anodically bonding the micromachined Pyrex glass wafer and local gold-plated silicon by: 5. Fabry–Perot-based sensors are typically a diaphragm design and the response of the sensor is highly dependent on the mechanical properties of the diaphragm.

Downhole fiber optic pressure gauges must have a very rugged design, yet be able to provide sensitive response to the applied pressure. We demonstrate the operation of a quadrature phase-shifted extrinsic Fabry-Perot fiber-optic sensor for the detection of the amplitude and the relative polarity of dynamically varying strain.

Fiber Optic Temperature Sensors. thermal radiation and Fabry-Perot etalon are discussed. A fluorescence based fiber-optic temperature sensor is demonstrated using a modulated pump.

A fiber-optic Fabry-Perot (FP) temperature sensor developed by Tseng and Chen can distinguish between temperature increases and falls and the direction of temperature difference can be determined as a time function [ 8 ].Cited by: We propose and demonstrate a cross-talk free simultaneous measurement system for temperature and external refractive index (ERI) implemented by dual-cavity Fabry-Perot (FP) fiber interferometer.

The sensing probe consists of two cascaded FP cavities formed with a short piece of multimode fiber (MMF) and a micro-air-gap made of hollow core fiber (HOF). The fabricated sensor head was ultra. A fiber-optic Fabry-Perot (FP) temperature sensor developed by Tseng and Chen can distinguish between temperature increases and falls and the direction of temperature difference can be determined as a time by:   Fabry-Perot Interferometer Sensor.

A Fabry-Perot interferometer (FPI) is generally composed of two parallel reflecting surfaces separated by a certain distance [].Sometimes it is called an etalon [].Interference occurs due to the multiple superpositions of both reflected and transmitted beams at two parallel surfaces [].For the fiber optic cases, the FPI can be simply formed by Cited by: Fiber optic hydrophones offer the prospect of overcom-ing some or all of the above limitations.

The most practically applicable type of fiber-optic hydrophone is the extrinsic type. This employs a fiber-optic downlead to deliver light to and from an optical sensor, or some transducing mechanism, at File Size: 1MB. Chen et al. introduced a fiber optic temperature sensor based on a filled PDMS air microbubble Fabry-Perot cavity, which is formed by splicing a single mode fiber (SMF) and fiber tube (HCF).

The end face of the HCF is filled with a thickness of PDMS to form an F-P air microbubble cavity between the end of the single mode fiber and the interface Author: Cheng Luo, Xiangnan Liu, Jinrong Liu, Jian Shen, Hui Li, Shubin Zhang, Jiabin Hu, Qi Zhang, Guanjun. Because ruggedness of fiber optic gages generally exceed that of traditional sensors, tests for environmental stability, fatigue durability, accuracy, and repeatability are more rigorous.

All sensors distributed by Micron Optics are guaranteed to be compatible with the Micron Optics line of optical sensing interrogators and sensor system software.Optical fiber sensors have unique advantages and distinctive features that make them very attractive for many applications especially those involving challenging conditions where other traditional electrical sensors usually fail.

Among the commercially available optical fiber sensors, the Fabry-Pérot sensing technology is probably the most versatile and the most interesting one since a Cited by: Glenn Beheim, "Fiber-Optic Temperature Sensor Using a Thin-Film Fabry-Perot Interferometer" NASA Technical MemorandumLewis Research Center, [22] Youngmin Kim and D.

P. Neikirk, "Micromachined Fa-bry-Perot Cavity Pressure Transducer," IEEE Photonics Technology Letters 7, Dec., pp. ().Author: Fadhali Mohamed.