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Kennedy–Thorndike experiment

Index Kennedy–Thorndike experiment

The Kennedy–Thorndike experiment, first conducted in 1932, is a modified form of the Michelson–Morley experimental procedure, testing special relativity. [1]

40 relations: Albert Einstein, Atomic fountain, Beam splitter, Brewster's angle, Caesium, Coherence length, Fabry–Pérot interferometer, Fringe shift, Fused quartz, Group theory, Henri Poincaré, History of Lorentz transformations, Hydrogen maser, Iodine, Ives–Stilwell experiment, Laser, Length contraction, Lorentz covariance, Lorentz factor, Lorentz group, Lorentz transformation, Lunar Laser Ranging experiment, Maser, Michelson–Morley experiment, Nd:YAG laser, Nicol prism, Optical cavity, Phase (waves), Principle of relativity, Proper length, Rubidium, Special relativity, Speed of light, Test theories of special relativity, Tests of special relativity, Thermal expansion, Time dilation, Vacuum chamber, Wave interference, Whispering-gallery wave.

Albert Einstein

Albert Einstein (14 March 1879 – 18 April 1955) was a German-born theoretical physicist who developed the theory of relativity, one of the two pillars of modern physics (alongside quantum mechanics).

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Atomic fountain

An atomic fountain is a cloud of atoms that is tossed upwards in the Earth's gravitational field by lasers.

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Beam splitter

A beam splitter is an optical device that splits a beam of light in two.

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Brewster's angle

Brewster's angle (also known as the polarization angle) is an angle of incidence at which light with a particular polarization is perfectly transmitted through a transparent dielectric surface, with no reflection.

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Caesium

Caesium (British spelling and IUPAC spelling) or cesium (American spelling) is a chemical element with symbol Cs and atomic number 55.

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Coherence length

In physics, coherence length is the propagation distance over which a coherent wave (e.g. an electromagnetic wave) maintains a specified degree of coherence.

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Fabry–Pérot interferometer

In optics, a Fabry–Pérot interferometer (FPI) or etalon is typically made of a transparent plate with two reflecting surfaces, or two parallel highly reflecting mirrors.

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Fringe shift

In interferometry experiments such as the Michelson–Morley experiment, a fringe shift is the behavior of a pattern of “fringes” when the phase relationship between the component sources change.

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Fused quartz

Fused quartz or fused silica is glass consisting of silica in amorphous (non-crystalline) form.

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Group theory

In mathematics and abstract algebra, group theory studies the algebraic structures known as groups.

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Henri Poincaré

Jules Henri Poincaré (29 April 1854 – 17 July 1912) was a French mathematician, theoretical physicist, engineer, and philosopher of science.

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History of Lorentz transformations

The history of Lorentz transformations comprises the development of linear transformations forming the Lorentz group or Poincaré group preserving the Lorentz interval -x_0^2+\cdots+x_n^2 and the Minkowski inner product -x_0^2 y_0^2+\cdots+x_n^2 y_n^2.

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Hydrogen maser

A hydrogen maser, also known as hydrogen frequency standard, is a specific type of maser that uses the intrinsic properties of the hydrogen atom to serve as a precision frequency reference.

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Iodine

Iodine is a chemical element with symbol I and atomic number 53.

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Ives–Stilwell experiment

The Ives–Stilwell experiment tested the contribution of relativistic time dilation to the Doppler shift of light.

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Laser

A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation.

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Length contraction

Length contraction is the phenomenon that a moving object's length is measured to be shorter than its proper length, which is the length as measured in the object's own rest frame.

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Lorentz covariance

In relativistic physics, Lorentz symmetry, named for Hendrik Lorentz, is an equivalence of observation or observational symmetry due to special relativity implying that the laws of physics stay the same for all observers that are moving with respect to one another within an inertial frame.

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Lorentz factor

The Lorentz factor or Lorentz term is the factor by which time, length, and relativistic mass change for an object while that object is moving.

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Lorentz group

In physics and mathematics, the Lorentz group is the group of all Lorentz transformations of Minkowski spacetime, the classical and quantum setting for all (nongravitational) physical phenomena.

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Lorentz transformation

In physics, the Lorentz transformations (or transformation) are coordinate transformations between two coordinate frames that move at constant velocity relative to each other.

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Lunar Laser Ranging experiment

The ongoing Lunar Laser Ranging experiment measures the distance between Earth and the Moon using laser ranging.

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Maser

A maser (an acronym for "microwave amplification by stimulated emission of radiation") is a device that produces coherent electromagnetic waves through amplification by stimulated emission.

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Michelson–Morley experiment

The Michelson–Morley experiment was performed between April and July, 1887 by Albert A. Michelson and Edward W. Morley at what is now Case Western Reserve University in Cleveland, Ohio, and published in November of the same year.

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Nd:YAG laser

Nd:YAG (neodymium-doped yttrium aluminum garnet; Nd:Y3Al5O12) is a crystal that is used as a lasing medium for solid-state lasers.

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Nicol prism

A Nicol prism is a type of polarizer, an optical device used to produce a polarized beam of light.

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Optical cavity

An optical cavity, resonating cavity or optical resonator is an arrangement of mirrors that forms a standing wave cavity resonator for light waves.

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Phase (waves)

Phase is the position of a point in time (an instant) on a waveform cycle.

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Principle of relativity

In physics, the principle of relativity is the requirement that the equations describing the laws of physics have the same form in all admissible frames of reference.

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Proper length

Proper length or rest length refers to the length of an object in the object's rest frame.

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Rubidium

Rubidium is a chemical element with symbol Rb and atomic number 37.

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Special relativity

In physics, special relativity (SR, also known as the special theory of relativity or STR) is the generally accepted and experimentally well-confirmed physical theory regarding the relationship between space and time.

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Speed of light

The speed of light in vacuum, commonly denoted, is a universal physical constant important in many areas of physics.

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Test theories of special relativity

Test theories of special relativity give a mathematical framework for analyzing results of experiments to verify special relativity.

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Tests of special relativity

Special relativity is a physical theory that plays a fundamental role in the description of all physical phenomena, as long as gravitation is not significant.

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Thermal expansion

Thermal expansion is the tendency of matter to change in shape, area, and volume in response to a change in temperature.

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Time dilation

According to the theory of relativity, time dilation is a difference in the elapsed time measured by two observers, either due to a velocity difference relative to each other, or by being differently situated relative to a gravitational field.

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Vacuum chamber

A vacuum chamber is a rigid enclosure from which air and other gases are removed by a vacuum pump.

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Wave interference

In physics, interference is a phenomenon in which two waves superpose to form a resultant wave of greater, lower, or the same amplitude.

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Whispering-gallery wave

Whispering-gallery waves, or whispering-gallery modes, are a type of wave that can travel around a concave surface.

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References

[1] https://en.wikipedia.org/wiki/Kennedy–Thorndike_experiment

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