Dr. John P. Dakin Profile

Dr. John P. Dakin

Research Professor at Univ of Southampton

SPIE Involvement:

Author | Instructor

Publications (42)

Proceedings Article | 16 May 2008 Paper

A multiplexed CW Brillouin system for precise interrogation of a sensor array made from short discrete sections of optical fibre

J. Dakin, S. Chin, L. Thévenaz

Proceedings Volume 7004, 70046L (2008) https://doi.org/10.1117/12.801233

KEYWORDS: Sensors, Optical fibers, Light scattering, Multiplexing, Oscillators, Scattering, Receivers, Temperature metrology, Continuous wave operation

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Proceedings Article | 2 July 2007 Paper

Improved optical fibre sensors using hollow glass spheres with a high-performance CCD spectrometer interrogator

J. Dakin, W. Ecke, M. Reuter, K. Schroeder

Proceedings Volume 6619, 66190S (2007) https://doi.org/10.1117/12.738356

KEYWORDS: Sensors, Optical spheres, Glasses, Polymers, Charge-coupled devices, Spectroscopy, Fiber optics sensors, Optical fibers, CCD image sensors, Reflectivity

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Proceedings Article | 11 November 2005 Paper

Microstructured fibres for sensing applications

M. N. Petrovich, A. van Brakel, F. Poletti, K. Mukasa, E. Austin, V. Finazzi, P. Petropoulos, E. O'Driscoll, M. Watson, T. DelMonte, T. M. Monro, J. P. Dakin, D. J. Richardson

Proceedings Volume 6005, 60050E (2005) https://doi.org/10.1117/12.631617

KEYWORDS: Micro optical fluidics, Silica, Cladding, Absorption, Structured optical fibers, Sensors, Mid-IR, Refractive index, Solids, Biological and chemical sensing

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Proceedings Article | 23 May 2005 Paper

Direct monitoring of fiber extension by correlation-based coherent optical time-domain reflectometry

Justin Hayward, Stuart Russell, John Dakin

Proceedings Volume 5855, (2005) https://doi.org/10.1117/12.623595

KEYWORDS: Backscatter, Sensors, Scattering, Light scattering, Reflectometry, Rayleigh scattering, Statistical analysis, Polarization, Signal processing, Signal to noise ratio

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Proceedings Article | 23 May 2005 Paper

Distributed optical fiber sensing methods for localisation of disturbances and the position of optical fibre cables in the ground

John Dakin, Stuart Russell

Proceedings Volume 5855, (2005) https://doi.org/10.1117/12.623641

KEYWORDS: Sensors, Signal detection, Wavelength division multiplexing, Optical fibers, Modulation, Optical fiber cables, Acoustics, Interferometers, Signal processing, Phase shift keying

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Proceedings Article | 23 May 2005 Paper

Comparison of vibration measurements of elastic and mechanically lossy (visco-elastic) materials, using fibre grating sensors

John Dakin, Wolfgang Ecke, Matthias Reuter

Proceedings Volume 5855, (2005) https://doi.org/10.1117/12.640221

KEYWORDS: Sensors, Vibrometry, Fiber optics sensors, Optical fibers

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Proceedings Article | 23 May 2005 Paper

An amplitude-modulated spectrally optimised Er3+ fibre ASE source for use with optical fiber sensors: an example optimised for acetylene gas sensing

Nyuk Voo, Ed Austin, John Dakin

Proceedings Volume 5855, (2005) https://doi.org/10.1117/12.623694

KEYWORDS: Superluminescent sources, Modulation, Optical filters, Erbium, Reflectivity, Gas sensors, Sensors, Absorption, Ions, Light

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Proceedings Article | 9 June 2004 Paper

Theoretical analysis of a CO2 gas detection system using correlation spectroscopy

Paul Chambers, E. Austin, John Dakin

Proceedings Volume 5502, (2004) https://doi.org/10.1117/12.566695

KEYWORDS: Modulation, Signal to noise ratio, Optical filters, Carbon dioxide, Sensors, Signal detection, Spectroscopy, Absorption, Interference (communication), Absorption spectroscopy

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Proceedings Article | 8 March 2004 Paper

Theoretical modelling studies of gas-sensing systems using correlation spectroscopy

Paul Chambers, E. Austin, John Dakin

Proceedings Volume 5272, (2004) https://doi.org/10.1117/12.536962

KEYWORDS: Spectroscopy, Modeling, Modulation, Carbon monoxide, Environmental monitoring, Statistical modeling, Light sources, Signal attenuation, Databases, Signal to noise ratio

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Proceedings Article | 14 February 2002 Paper

Anti-biofouling coatings for optical fiber sensors

Anna Mignani, P. Bizzarri, M. Driver, R. Palmer, K. Liefeith, G. Hildebrand, John Dakin

Proceedings Volume 4578, (2002) https://doi.org/10.1117/12.456095

KEYWORDS: Optical coatings, Optical fibers, Fiber optics, Polymers, Signal detection, Fiber optics tests, Glasses, Optical testing, Fiber optics sensors, Sensors

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Proceedings Article | 14 February 2002 Paper

Optoelectronic systems for addressing Ru oxygen sensors: their design optimization and calibration process

E. Austin, John Dakin

Proceedings Volume 4578, (2002) https://doi.org/10.1117/12.456098

KEYWORDS: Luminescence, Sensors, Oxygen, Signal to noise ratio, Calibration, Fiber optics sensors, Ruthenium, Photon counting, Crystals, Electronics

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Proceedings Article | 6 April 2001 Paper

Development of sensor technology to facilitate in-situ measurement of damgae in composite materials for spacecraft applications

Matthew Mowlem, Alan Chambers, John Dakin

Proceedings Volume 4234, (2001) https://doi.org/10.1117/12.424400

KEYWORDS: Sensors, Space operations, Multiplexing, Composites, Optical filters, Fiber Bragg gratings, Signal detection, Optical amplifiers, Sensor technology, Particles

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Proceedings Article | 1 March 2001 Paper

Recent measurements with Ru2+ oxygen sensors using doped sapphire crystals both as a calibration aid and an integral temperature sensor

E. Austin, John Dakin

Proceedings Volume 4204, (2001) https://doi.org/10.1117/12.417423

KEYWORDS: Luminescence, Ruby, Sensors, Calibration, Ruthenium, Crystals, Temperature metrology, Oxygen, Chemical fiber sensors, Signal detection

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Proceedings Article | 9 December 1999 Paper

Distributed and multiplexed fiber grating sensors and discussion of problem areas

John Dakin, Mark Volanthen

Proceedings Volume 3860, (1999) https://doi.org/10.1117/12.372950

KEYWORDS: Sensors, Multiplexing, Reflectivity, Optical filters, Fiber optics sensors, Fiber Bragg gratings, Polarization, Fiber lasers, Ultraviolet radiation, Spectrum analysis

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Proceedings Article | 1 September 1999 Paper

Distributed and multiplexed fibre grating sensors

J. Dakin

Proceedings Volume 3746, 37463L (1999) https://doi.org/10.1117/12.2302119

KEYWORDS: Sensors, Multiplexing, Reflectivity, Optical filters, Fiber optics sensors, Bragg gratings, Tunable filters, Temperature metrology, Ultraviolet radiation, Modulation

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Proceedings Article | 1 September 1999 Paper

Sensor network for structural strain and high hydraulic pressure, using optical fiber grating pairs, interrogated in the coherence domain

J. Dakin

Proceedings Volume 3746, 37463Q (1999) https://doi.org/10.1117/12.2302124

KEYWORDS: Interferometers, Multiplexing, Sensors, Coherence (optics), Bragg gratings, Fabry–Perot interferometers, Reflectivity, Sensor networks, Optical fibers, Optical filters

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Proceedings Article | 31 May 1999 Paper

DFB fiber laser sensor for simultaneous strain and temperature measurements in concrete structures

Oliver Hadeler, D. Richards, John Dakin

Proceedings Volume 3670, (1999) https://doi.org/10.1117/12.349744

KEYWORDS: Sensors, Fiber lasers, Temperature metrology, Epoxies, Civil engineering, Fiber optics, Fiber Bragg gratings, Multiplexing, Polarization, Birefringence

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Proceedings Article | 18 May 1999 Paper

Damage assessment in hybrid laminates using an array of embedded fiber optic sensors

Timothy Austin, Margaret Singh, Peter Gregson, John Dakin, Philip Powell

Proceedings Volume 3671, (1999) https://doi.org/10.1117/12.348677

KEYWORDS: Sensors, Fiber Bragg gratings, Fiber optics sensors, Aluminum, Composites, Optical fibers, Skin, Fiber optics, Fiber reinforced polymers, Multiplexing

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Proceedings Article | 3 February 1999 Paper

Miniature multiplexed fiber-grating-array sensor for the interrogation of localized strain patterns during crack growth studies upon hybrid laminate panels

John Dakin, Timothy Austin, Peter Gregson, Daniel Guerrier, Keith Trundle

Proceedings Volume 3541, (1999) https://doi.org/10.1117/12.339100

KEYWORDS: Sensors, Fiber Bragg gratings, Composites, Multiplexing, Fiber optics sensors, Signal detection, Carbon, Switches, Fiber optics, Aerospace engineering

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Proceedings Article | 24 September 1997 Paper

Fiber Bragg grating sensors

Mark Volanthen, Harald Geiger, Keith Trundle, John Dakin

Proceedings Volume 3099, (1997) https://doi.org/10.1117/12.281245

KEYWORDS: Sensors, Reflectivity, Fiber Bragg gratings, Reflectors, Multiplexing, Interferometry, Tunable filters, Reflectometry, Composites, Fiber optics sensors

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Proceedings Article | 6 June 1997 Paper

Distributed grating sensors: an alternative to multiplexed grating arrays?

Mark Volanthen, Harald Geiger, John Dakin

Proceedings Volume 3042, (1997) https://doi.org/10.1117/12.275757

KEYWORDS: Sensors, Multiplexing, Reflectivity, Phase measurement, Image sensors, Fiber Bragg gratings, Smart structures, Spatial resolution, Tunable filters, Optical fibers

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Proceedings Article | 30 May 1997 Paper

Flexible fiber-optic-based underwater spectrometer for oceanographic research

John Dakin, Keith Trundle, Jill Schwarz, Ian Robinson, Alison Weeks

Proceedings Volume 3105, (1997) https://doi.org/10.1117/12.276160

KEYWORDS: Sensors, Scattering, Light scattering, Optical testing, Optical properties, Ocean optics, Laser scattering, Water, Spectroscopy, Fiber optics

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Proceedings Article | 23 May 1997 Paper

Very efficient sampling technique for fiber-remote optical emission spectroscopy of aqueous solutions

Steven MacKenzie, Jane Hodgkinson, Mark Johnson, John Dakin

Proceedings Volume 3107, (1997) https://doi.org/10.1117/12.274757

KEYWORDS: Luminescence, Optical fibers, Spectrographs, Capillaries, Glasses, Waveguides, Chemical analysis, Absorbance, Water, Refractive index

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Proceedings Article | 27 November 1996 Paper

Lock-in techniques for interrogation of long- and short-gauge length optical fiber sensor arrays

Mark Volanthen, Harald Geiger, Ming Gang Xu, John Dakin

Proceedings Volume 2838, (1996) https://doi.org/10.1117/12.259819

KEYWORDS: Sensors, Reflectors, Multiplexing, Reflectivity, Modulation, Systems modeling, Optical fibers, Fiber Bragg gratings, Receivers, Fabry–Perot interferometers

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Two complimentary optical fiber strain sensors employing lock-in techniques are presented. The first system interrogates an array of long gauge length sensors, defined by broadband optical reflectors and employs multiplexing in the time domain. The second system operates over shorter gauge lengths using multiple narrowband reflectors and wavelength-division-multiplexing. The first system tracks minima in the amplitude response produced from the superposition of two sinusoidal subcarrier waves. The second uses an acousto-optic-tunable-filter (AOTF) to track the peak reflective wavelength of an array of Bragg gratings. Both systems are constructed using telecommunications components. Together, the systems may be used to examine both line-integrated strain (or temperature) over long gauge lengths and local strain at a number of selected discrete points of particular interest. Lock-in techniques using dithered signals are applicable to sensors having a transfer function containing at least one turning point. This may be a maximum or minimum when observed either in transmission or reflection. The sensor responds to the dither with an amplitude-modulated signal, which permits locking of the interrogation system to the turning point. This provides a real-time response and better noise performance than scanned measurements. High-resolution monitoring of time-varying strain is demonstrated using this method. The long gauge length system has demonstrated a resolution of 3 microstrain over discrete 5 m long sensing sections, with an interrogation time of 0.25 s. When multiplexed to interrogate an array of four sections, intersection crosstalk levels were below minus 50 dB. The short gauge length interrogation system has been demonstrated using both fiber Bragg gratings and an in-line Fabry-Perot cavity as the wavelength selective reflectors. A resolution below 1 microstrain was obtained using the gratings, whereas a resolution of 1.5 multiplied by 10^-6 in optical path-length-difference was obtained when interrogating a Fabry-Perot cavity. Simultaneous monitoring of multiple Bragg gratings has also been demonstrated by multiplexing with different dither frequencies. The versatility and the high resolution make the lock-in systems ideal for smart structures applications.

Proceedings Article | 29 September 1995 Paper

Latest developments in gas sensing using correlation spectroscopy

John Dakin, Henry Edwards, Bernhard Weigl

Proceedings Volume 2508, (1995) https://doi.org/10.1117/12.221720

KEYWORDS: Absorption, Modulation, Signal detection, Spectroscopy, Light sources, Sensors, Interferometers, Gases, Michelson interferometers, Monochromators

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Proceedings Article | 15 September 1995 Paper

Multiplexed measurements of strain using short- and long-gauge length sensors

Harald Geiger, Ming Gang Xu, John Dakin, Nicholas Eaton, P. Chivers

Proceedings Volume 2507, (1995) https://doi.org/10.1117/12.219628

KEYWORDS: Sensors, Composites, Optical fibers, Signal detection, Multiplexing, Signal to noise ratio, Aluminum, Distance measurement, Resistance, Aerospace engineering

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Proceedings Article | 1 November 1994 Paper

Structural bending sensor using fiber gratings

Ming Gang Xu, Jean-Luc Archambault, Laurence Reekie, John Dakin

Proceedings Volume 2292, (1994) https://doi.org/10.1117/12.191857

KEYWORDS: Sensors, Fiber optics sensors, Temperature metrology, Fiber Bragg gratings, Fiber optics, Resistance, Fiber lasers, Laser optics, Structured optical fibers, Calibration

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Proceedings Article | 21 September 1994 Paper

Multiplexed point and stepwise-continuous fiber grating based sensors: practical sensor for structural monitoring?

Ming Gang Xu, Harald Geiger, John Dakin

Proceedings Volume 2294, (1994) https://doi.org/10.1117/12.187385

KEYWORDS: Sensors, Temperature metrology, Fiber optics sensors, Multiplexing, Reflectivity, Structured optical fibers, Receivers, Optical filters, Signal detection, Structural monitoring

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Proceedings Article | 14 September 1994 Paper

Simultaneous measurement of strain and temperature using fibre grating sensors

Ming Gang Xu, Jean-Luc Archambault, Laurence Reekie, John Dakin

Proceedings Volume 2360, (1994) https://doi.org/10.1117/12.185036

KEYWORDS: Temperature metrology, Sensors, Fiber optics sensors, Thermal effects, Thermal optics, Optical components, Spectrum analysis, Error analysis, Optoelectronics, Fiber Bragg gratings

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Proceedings Article | 14 September 1994 Paper

New optical time domain reflectometry (OTDR) technique for monitoring the range of reflective markers

Harald Geiger, John Dakin, Nicholas Eaton, P. Chivers

Proceedings Volume 2360, (1994) https://doi.org/10.1117/12.185027

KEYWORDS: Reflectivity, Receivers, Sensors, Aerospace engineering, Time metrology, Optical fibers, Spatial resolution, Computing systems, Reflectometry, Electronics

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Proceedings Article | 13 September 1994 Paper

Finite element analysis of embedded optical fiber sensors

Nicholas Eaton, R. Drew, Harald Geiger, P. Chivers, John Dakin

Proceedings Volume 2361, (1994) https://doi.org/10.1117/12.184869

KEYWORDS: Carbon, Optical fibers, Finite element methods, Composites, Fiber optics sensors, Smart materials, Sensors, Aerospace engineering, Optical components, Coating

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Proceedings Article | 13 September 1994 Paper

Multiplexed fibre optic system for both local and spatially averaged strain monitoring

Harald Geiger, Ming Gang Xu, M. Longstaff-Tyrell, John Dakin, Nicholas Eaton, P. Chivers

Proceedings Volume 2361, (1994) https://doi.org/10.1117/12.184868

KEYWORDS: Sensors, Receivers, Computing systems, Signal detection, Multiplexing, Fiber Bragg gratings, Optical filters, Reflectivity, Telecommunications, Smart materials

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Proceedings Article | 13 September 1994 Paper

Novel fibre optic stress/strain sensor using the near-infrared SPATE effect (FONI-SPATE)

John Dakin, Jose Cruz Munoz, P. Reed, I. Sinclair

Proceedings Volume 2361, (1994) https://doi.org/10.1117/12.184864

KEYWORDS: Sensors, Modulation, Fiber optics, Signal detection, Silica, Infrared radiation, Optical fibers, Temperature metrology, Near infrared, Infrared sensors

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Proceedings Article | 30 December 1993 Paper

Novel frequency-agile interrogating system for fiber Bragg grating sensors

Ming Gang Xu, Harald Geiger, Jean-Luc Archambault, Laurence Reekie, John Dakin

Proceedings Volume 2071, (1993) https://doi.org/10.1117/12.165920

KEYWORDS: Sensors, Fiber Bragg gratings, Frequency shift keying, Multiplexing, Optical filters, Amplitude modulation, Temperature metrology, Tunable filters, Electronic filtering, Reflectivity

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Proceedings Article | 30 April 1993 Paper

Tunable fiber laser source for methane detection at 1.68 um

William Barnes, John Dakin, Henry Edwards, Laurence Reekie, Janet Townsend, Stuart Murray, David Pinchbeck

Proceedings Volume 1796, (1993) https://doi.org/10.1117/12.143502

KEYWORDS: Fiber lasers, Methane, Absorption, Semiconductor lasers, Sensors, Laser damage threshold, Reflectivity, Laser spectroscopy, Spectroscopy, YAG lasers

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Proceedings Article | 5 March 1993 Paper

Novel hollow-glass microsphere sensor for monitoring high hydrostatic pressure

Ming Gang Xu, John Dakin

Proceedings Volume 1795, (1993) https://doi.org/10.1117/12.141242

KEYWORDS: Sensors, Optical spheres, Temperature metrology, Reflection, Glasses, Fiber optics sensors, Optical fibers, Head, Reflectivity, Fiber optics

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Proceedings Article | 5 March 1993 Paper

Distributed optical fiber sensors

John Dakin

Proceedings Volume 1797, (1993) https://doi.org/10.1117/12.141304

KEYWORDS: Sensors, Fiber optics sensors, Signal detection, Scattering, Multiplexing, Signal attenuation, Light scattering, Raman scattering, Optical fibers, Raman spectroscopy

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Proceedings Article | 28 January 1993 Paper

Distributed optical fiber sensors

John Dakin

Proceedings Volume 10266, 102660B (1993) https://doi.org/10.1117/12.145193

KEYWORDS: Fiber optics sensors, Optical fibers, Optical sensing

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SPIE Journal Paper | 1 August 1992

Progress in fiber-remoted gas correlation spectrometry

John Dakin, Henry Edwards

OE, Vol. 31, Issue 08, (August 1992) https://doi.org/10.1117/12.10.1117/12.58704

KEYWORDS: Modulation, Absorption, Methane, Spectroscopy, Sensors, Gases, Signal detection, Acoustics, Optical fibers, Optical filters

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Proceedings Article | 1 March 1992 Paper

Measurements of cross-sensitivity to contaminant gases using a highly selective, optical-fiber-remoted methane sensor based on correlation spectroscopy

Henry Edwards, John Dakin

Proceedings Volume 1587, (1992) https://doi.org/10.1117/12.56551

KEYWORDS: Absorption, Modulation, Methane, Gases, Sensors, Gas sensors, Fiber optics sensors, Spectroscopy, Environmental sensing, Absorption filters

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Proceedings Article | 1 January 1992 Paper

Optical fiber sources, amplifiers, and special fibers for application in multiplexed and distributed sensor systems

Gregory Cowle, John Dakin, Paul Morkel, Trevor Newson, Christopher Pannell, David Payne, Janet Townsend

Proceedings Volume 1586, (1992) https://doi.org/10.1117/12.56513

KEYWORDS: Sensors, Signal attenuation, Optical amplifiers, Fiber optics sensors, Multiplexing, Fiber amplifiers, Optical fibers, Scattering, Fiber lasers, Signal detection

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Proceedings Article | 1 September 1991 Paper

Progress in fiber-remote gas correlation spectrometry

John Dakin, Henry Edwards

Proceedings Volume 1510, (1991) https://doi.org/10.1117/12.47134

KEYWORDS: Modulation, Absorption, Methane, Sensors, Gases, Spectroscopy, Gas sensors, Acoustics, Resonators, Signal detection

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This paper reports on progress on gas sensing using real-time correlation spectroscopy, where a gas is used to 'recognize' its own spectral absorption lines. Our recent results on methane detection using pressure modulation spectrometry are shown, and a new method of modulating the absorption of the gas in the reference cell section of an ammonia detection system is reported for the first time. The basic concept of correlation spectrometry involves the passage of light sequentially through two gas cells, a reference cell containing a known quantity of the gas to be detected, and a sampling cell where the presence of the gas is to be determined. An optical signal passing sequentially through the cells will suffer absorption in each of the cells. If the absorption in the reference cell is periodically modulated, then the total absorption depends on whether the gas absorption lines in the sampling cell correlate with those in the reference cell gas. If the absorption lines of the gases do not correlate strongly, then the modulation index of the optical signal is essentially unaffected by the presence of the different gas in the sampling cell. Therefore, the concentration of a specific gas in the sampling cell can be quantified by this means. Pressure modulation of the gas within the reference cell is achieved by the use of a novel acoustic resonator. This device provides a reasonable pressure ratio while being compact and easily driven. Unlike previous piston-compressors, the high modulation frequency of the resonator improves the tolerance to transients in the optical signal produced by the passage of dust through the optical beam. The system can be tailored to detect a desired gas by changing the reference gas and a broadband section filter. Results for methane are presented in this paper. A novel method for detection of ammonia gas is reported for the first time. This involves Stark modulation of the gas in the reference cell, by the application of an electric field. This method is applicable to gases with strong electric dipole moments, such as NH3, CO, NOx, and HC1.

Showing 5 of 42 publications

Proceedings Volume Editor (12)

SPIE Conference Volume | 19 October 2006

Photonic Sensing Technologies

SPIE Conference Volume | 10 November 2005

Fiber Optic Sensor Technology and Applications IV

SPIE Conference Volume | 14 December 2004

Fiber Optic Sensor Technology and Applications III

SPIE Conference Volume | 8 March 2004

Industrial and Highway Sensors Technology

SPIE Conference Volume | 3 February 1999

Fiber Optic and Laser Sensors and Applications; Including Distributed and Multiplexed Fiber Optic Sensors VII

Showing 5 of 12 publications

Conference Committee Involvement (21)

20th International Conference on Optical Fibre Sensors

5 October 2009 | Edinburgh, United Kingdom

Fiber Optic Sensors and Applications VI

15 April 2009 | Orlando, Florida, United States

Fiber Optic Sensors and Applications V

10 September 2007 | Boston, MA, United States

Optical Sensors

16 April 2007 | Prague, Czech Republic

Photonic Sensing Technologies

2 October 2006 | Boston, Massachusetts, United States

Fiber Optic Sensor Technology and Applications IV

25 October 2005 | Boston, MA, United States

Smart Sensor Technology and Measurement Systems

7 March 2005 | San Diego, California, United States

Fiber Optic Sensor Technology and Applications III

26 October 2004 | Philadelphia, Pennsylvania, United States

Smart Sensor Technology and Measurement Systems

15 March 2004 | San Diego, CA, United States

Fiber Optic Sensor Technology and Applications II

29 October 2003 | Providence, RI, United States

Smart Sensor Technology and Measurement Systems

3 March 2003 | San Diego, California, United States

Fiber Optic Sensor Technology II

7 November 2000 | Boston, MA, United States

Distributed and Multiplexed Fiber Optic Sensors VII

5 November 1998 | Boston, MA, United States

Process Monitoring Applications of Fiber Optic Sensors

4 November 1998 | Boston, MA, United States

Fiber Optic and Laser Sensors and Applications

3 November 1998 | Boston, MA, United States

Distributed and Multiplexed Fiber Optic Sensors VI

5 August 1996 | Denver, CO, United States

Distributed and Multiplexed Fiber Optic Sensors V

22 June 1995 | Munich, Germany

Distributed and Multiplexed Fiber Optic Sensors IV

27 July 1994 | San Diego, CA, United States

Distributed and Multiplexed Fiber Optic Sensors III

8 September 1993 | Boston, MA, United States

Distributed and Multiplexed Fiber Optic Sensors II

10 September 1992 | Boston, MA, United States

Distributed and Multiplexed Fiber Optic Sensors

4 September 1991 | Boston, MA, United States

Showing 5 of 21 Conference Committees

Course Instructor

SC257: Fiber Optic Sensors and Applications

This course describes the principles and applications of optical sensors. This extends from coverage of the simplest types based on intensity measurement, versions less sensitive to cable losses, based on spectral and temporal modulation and the most sophisticated and sensitive types based on interferometry. A basic knowledge of simple optics is assumed. The course concentrates on sensors having engineering potential for a variety of practical applications and precautions necessary to make practical sensors are emphasized.

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