[go: up one dir, main page]

IT1138312B - Interferometro con trasmissione in fibra ottica dell'informazione di fase utile - Google Patents

Interferometro con trasmissione in fibra ottica dell'informazione di fase utile

Info

Publication number
IT1138312B
IT1138312B IT21529/81A IT2152981A IT1138312B IT 1138312 B IT1138312 B IT 1138312B IT 21529/81 A IT21529/81 A IT 21529/81A IT 2152981 A IT2152981 A IT 2152981A IT 1138312 B IT1138312 B IT 1138312B
Authority
IT
Italy
Prior art keywords
interferometer
optical fiber
phase information
fiber transmission
useful phase
Prior art date
Application number
IT21529/81A
Other languages
English (en)
Other versions
IT8121529A0 (it
Inventor
Martinelli Mario
Original Assignee
Cise Spa
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Cise Spa filed Critical Cise Spa
Priority to IT21529/81A priority Critical patent/IT1138312B/it
Publication of IT8121529A0 publication Critical patent/IT8121529A0/it
Priority to EP82200506A priority patent/EP0064789B1/en
Priority to DE8282200506T priority patent/DE3274295D1/de
Priority to AT82200506T priority patent/ATE23637T1/de
Priority to US06/374,896 priority patent/US4420260A/en
Priority to JP57074678A priority patent/JPS57187627A/ja
Application granted granted Critical
Publication of IT1138312B publication Critical patent/IT1138312B/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
    • G01J9/02—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by interferometric methods
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
    • G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
    • G01H9/006—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors the vibrations causing a variation in the relative position of the end of a fibre and another element
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
    • G01J9/02—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by interferometric methods
    • G01J2009/0226—Fibres

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Light Guides In General And Applications Therefor (AREA)
IT21529/81A 1981-05-06 1981-05-06 Interferometro con trasmissione in fibra ottica dell'informazione di fase utile IT1138312B (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT21529/81A IT1138312B (it) 1981-05-06 1981-05-06 Interferometro con trasmissione in fibra ottica dell'informazione di fase utile
EP82200506A EP0064789B1 (en) 1981-05-06 1982-04-29 Interferometer transmitting the useful phase information through optical fibres
DE8282200506T DE3274295D1 (en) 1981-05-06 1982-04-29 Interferometer transmitting the useful phase information through optical fibres
AT82200506T ATE23637T1 (de) 1981-05-06 1982-04-29 Interferometer unter verwendung von optischen fasern zur phaseninformationsuebertragung.
US06/374,896 US4420260A (en) 1981-05-06 1982-05-04 Interferometer transmitting the useful phase information through optical fibres
JP57074678A JPS57187627A (en) 1981-05-06 1982-05-06 Interferometer transmitting available phase information through optical fiber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT21529/81A IT1138312B (it) 1981-05-06 1981-05-06 Interferometro con trasmissione in fibra ottica dell'informazione di fase utile

Publications (2)

Publication Number Publication Date
IT8121529A0 IT8121529A0 (it) 1981-05-06
IT1138312B true IT1138312B (it) 1986-09-17

Family

ID=11183149

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21529/81A IT1138312B (it) 1981-05-06 1981-05-06 Interferometro con trasmissione in fibra ottica dell'informazione di fase utile

Country Status (6)

Country Link
US (1) US4420260A (it)
EP (1) EP0064789B1 (it)
JP (1) JPS57187627A (it)
AT (1) ATE23637T1 (it)
DE (1) DE3274295D1 (it)
IT (1) IT1138312B (it)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4659923A (en) * 1981-03-09 1987-04-21 Polaroid Corporation Fiber optic interferometer transducer
US4380394A (en) * 1981-05-26 1983-04-19 Gould Inc. Fiber optic interferometer
US4652744A (en) * 1982-04-14 1987-03-24 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic sensor for detecting very small displacements of a surface
US4572949A (en) * 1982-04-14 1986-02-25 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic sensor for detecting very small displacements of a surface
US4767210A (en) * 1983-02-24 1988-08-30 British Telecommunications Plc Optical fibre interferometer
CH659131A5 (it) * 1983-07-28 1986-12-31 Cise Spa Rivelatore di tipo interferometrico con sensore a fibra ottica.
GB8328204D0 (en) * 1983-10-21 1983-11-23 British Telecomm Optical fibres
US4714346A (en) * 1986-09-22 1987-12-22 Gte Laboratories Incorporated Frequency chirped interferometric displacement sensors and mechanical translation tips therefor
GB2203259A (en) * 1987-02-26 1988-10-12 Plessey Co Plc Polarisation rotator associated with reflective surface
US4800266A (en) * 1987-09-03 1989-01-24 Western Atlas International, Inc. Fiber optic sensor with light sampling for referencing
US4845354A (en) * 1988-03-08 1989-07-04 International Business Machines Corporation Process control for laser wire bonding
DE3841742A1 (de) * 1988-12-10 1990-06-13 Hueser Teuchert Dorothee Koordinatenmesstaster mit absolutinterferometrischem beruehrungslosem messprinzip
US4922095A (en) * 1989-05-11 1990-05-01 Conoco Inc. Method and apparatus for sensing disturbance using fiber-optic polarization rotation
AT396179B (de) * 1989-06-07 1993-06-25 Tabarelli Werner Interferometeranordnung
AT396180B (de) * 1989-06-07 1993-06-25 Tabarelli Werner Interferometeranordnung
US5200795A (en) * 1989-08-31 1993-04-06 The Board Of Trustees Of The Leland Stanford Junior University Passive quadrature phase detection system for coherent fiber optic systems
AT397307B (de) * 1990-03-02 1994-03-25 Tabarelli Werner Interferometer insbesondere zur längenmessung
CA2013406C (en) * 1990-03-29 1998-06-16 Rene Heon Optical detection of a surface motion of an object
US6501551B1 (en) 1991-04-29 2002-12-31 Massachusetts Institute Of Technology Fiber optic imaging endoscope interferometer with at least one faraday rotator
US6485413B1 (en) 1991-04-29 2002-11-26 The General Hospital Corporation Methods and apparatus for forward-directed optical scanning instruments
US6134003A (en) * 1991-04-29 2000-10-17 Massachusetts Institute Of Technology Method and apparatus for performing optical measurements using a fiber optic imaging guidewire, catheter or endoscope
US6111645A (en) 1991-04-29 2000-08-29 Massachusetts Institute Of Technology Grating based phase control optical delay line
WO1994012095A2 (en) * 1992-11-18 1994-06-09 Spectrascience, Inc. Apparatus for diagnostic imaging
US5383467A (en) * 1992-11-18 1995-01-24 Spectrascience, Inc. Guidewire catheter and apparatus for diagnostic imaging
JP2000234959A (ja) * 1999-02-12 2000-08-29 Ando Electric Co Ltd 波長変化測定器及び波長可変光源
US6445939B1 (en) 1999-08-09 2002-09-03 Lightlab Imaging, Llc Ultra-small optical probes, imaging optics, and methods for using same
DE102006017004B3 (de) 2006-04-11 2007-10-25 Airbus Deutschland Gmbh Vorrichtung zur Vermischung von Frischluft und Heizluft sowie Verwendung derselben in einem Belüftungssystem eines Flugzeuges
EP3683537A1 (en) 2019-01-18 2020-07-22 Fundació Institut Català de Nanociència i Nanotecnologia Displacement sensor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1373645A (en) * 1972-05-11 1974-11-13 Rank Organisation Ltd Interferometers
JPS5632569B2 (it) * 1973-08-17 1981-07-29
JPS52152741A (en) * 1976-06-15 1977-12-19 Toshiba Corp Optical displacement detector
US4153370A (en) * 1977-12-05 1979-05-08 The United States Of America As Represented By The United States Department Of Energy Microinterferometer transducer

Also Published As

Publication number Publication date
EP0064789A3 (en) 1984-05-02
ATE23637T1 (de) 1986-11-15
JPS57187627A (en) 1982-11-18
US4420260A (en) 1983-12-13
EP0064789A2 (en) 1982-11-17
DE3274295D1 (en) 1987-01-02
EP0064789B1 (en) 1986-11-12
IT8121529A0 (it) 1981-05-06

Similar Documents

Publication Publication Date Title
IT1138312B (it) Interferometro con trasmissione in fibra ottica dell'informazione di fase utile
SE8501713D0 (sv) Fiberoptisk interferometer
ATE71718T1 (de) Optisches modulations- und mess-verfahren.
DE3687438D1 (de) Optische zeit-feld-reflektometrie.
ATE303582T1 (de) Verteiltes sensorsystem
ES2029094T3 (es) Sensor optico de posicion.
ES2055701T3 (es) Sonda de fibra optica.
EP0657713A3 (en) Combined interferometer and refractometer
US5206923A (en) Method to use an optical fibre as a sensor
IT1232330B (it) Sensore a fibra ottica polarimetrico
EP0190184B1 (en) Interferometric sensor
JPH03107702A (ja) 多モード干渉を有する光センサ
ATE62547T1 (de) Fasern ablesendes faseroptisches interferometer.
Rao et al. Prototype multiplexing system for use with a large number of fiber optic based extrinsic Fabry-Perot sensors exploiting low-coherence interrogation
Dakin Lead-insensitive optical fibre sensors
SU1365012A1 (ru) Волоконно-оптический фазовый датчик давлени
FR2574178B1 (fr) Capteur interferometrique a fibre optique
Brooks Fiber-Optic Interferometric Sensor Arrays.
Kersten et al. OFS'84-International Conference on Optical Fiber Sensors, 2nd, Stuttgart, West Germany, September 5-7, 1984, Proceedings and Annex
SU794638A1 (ru) Анализатор экстремальных значений
SU594444A1 (ru) Способ измерени термического коэффициента линейного расширени
Golovkov et al. An interferometric optical instrument for measuring the frequency instability of a radio signal
Jackson Overview of fiber sensor developments
Martinelli Optical fiber system for strain and vibration measurements
CN102519493A (zh) 一种消除分布式单芯反馈干涉光路中背向回光的方法