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  2. Time-of-flight diffraction ultrasonics - Wikipedia

    en.wikipedia.org/wiki/Time-of-flight_diffraction...

    Time-of-flight diffraction (TOFD) method of ultrasonic testing is a sensitive and accurate method for the nondestructive testing of welds for defects. TOFD originated from tip diffraction techniques which were first published by Silk and Liddington [1] in 1975 which paved the way for TOFD. Later works on this technique are given in a number of ...

  3. Time of flight - Wikipedia

    en.wikipedia.org/wiki/Time_of_flight

    Time of flight (ToF) is the measurement of the time taken by an object, particle or wave (be it acoustic, electromagnetic, etc.) to travel a distance through a medium. This information can then be used to measure velocity or path length, or as a way to learn about the particle or medium's properties (such as composition or flow rate).

  4. Time-of-flight detector - Wikipedia

    en.wikipedia.org/wiki/Time-of-flight_detector

    A time-of-flight (TOF) detector is a particle detector which can discriminate between a lighter and a heavier elementary particle of same momentum using their time of flight between two scintillators [1]. The first of the scintillators activates a clock upon being hit while the other stops the clock upon being hit.

  5. Ultrasonic testing - Wikipedia

    en.wikipedia.org/wiki/Ultrasonic_testing

    Time-of-flight diffraction ultrasonics (TOFD) Time-of-flight ultrasonic determination of 3D elastic constants (TOF) Internal rotary inspection system (IRIS) ultrasonics for tubes; EMAT Electromagnetic Acoustic Transducer; ART (Acoustic Resonance Technology)

  6. Time-of-flight camera - Wikipedia

    en.wikipedia.org/wiki/Time-of-flight_camera

    Time of flight of a light pulse reflecting off a target. A time-of-flight camera (ToF camera), also known as time-of-flight sensor (ToF sensor), is a range imaging camera system for measuring distances between the camera and the subject for each point of the image based on time-of-flight, the round trip time of an artificial light signal, as provided by a laser or an LED.

  7. Optical tomography - Wikipedia

    en.wikipedia.org/wiki/Optical_Tomography

    A variant of optical tomography uses optical time-of-flight sampling as an attempt to distinguish transmitted light from scattered light. [4] This concept has been used in several academic and commercial systems for breast cancer imaging and cerebral measurement.

  8. Neutron time-of-flight scattering - Wikipedia

    en.wikipedia.org/wiki/Neutron_time-of-flight...

    In neutron time-of-flight scattering, a form of inelastic neutron scattering, the initial position and velocity of a pulse of neutrons are fixed, and their final position and the time after the pulse that the neutrons are detected are measured. By the principle of conservation of momentum, these pairs of coordinates may be transformed into ...

  9. TOF - Wikipedia

    en.wikipedia.org/wiki/TOF

    Time of flight, a principle of several scientific methods Time-of-flight camera, a camera system that analyzes time of flight of the light it captures, to resolve depth; Time-of-flight mass spectrometry uses the time of flight of an ion in the gas phase to resolve its mass-to-charge ratio; Tetralogy of Fallot, a congenital heart defect