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24 relations: Astronomy, Bernard Lyot, Birefringence, Brewster's angle, Depolarizer (optics), Fiber to the x, International Telecommunication Union, Laser, Liquid crystal tunable filter, Lyot stop, Mode-locking, Optical cavity, Optical filter, Optical path length, Passband, Passive optical network, Phase velocity, Polarizer, Quartz, Refractive index, Sun, Wavelength, Wavelength-division multiplexing, Waveplate.
Astronomy
Astronomy (from ἀστρονομία) is a natural science that studies celestial objects and phenomena.
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Bernard Lyot
Bernard Ferdinand Lyot (27 February 1897, in Paris – 2 April 1952, in Cairo) was a French astronomer.
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Birefringence
Birefringence is the optical property of a material having a refractive index that depends on the polarization and propagation direction of light.
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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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Depolarizer (optics)
A depolarizer or depolariser is an optical device used to scramble the polarization of light.
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Fiber to the x
Fiber to the x (FTTX) or fiber in the loop is a generic term for any broadband network architecture using optical fiber to provide all or part of the local loop used for last mile telecommunications.
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International Telecommunication Union
The International Telecommunication Union (ITU; Union Internationale des Télécommunications (UIT)), originally the International Telegraph Union (Union Télégraphique Internationale), is a specialized agency of the United Nations (UN) that is responsible for issues that concern information and communication technologies.
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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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Liquid crystal tunable filter
Liquid crystal tunable filters (LCTFs) are optical filters that use electronically controlled liquid crystal (LC) elements to transmit a selectable wavelength of light and exclude others.
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Lyot stop
A Lyot stop is an optic stop, invented by French astronomer Bernard Lyot, that reduces the amount of flare caused by diffraction of other stops and baffles in optical systems.
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Mode-locking
Mode-locking is a technique in optics by which a laser can be made to produce pulses of light of extremely short duration, on the order of picoseconds (10−12 s) or femtoseconds (10−15 s).
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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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Optical filter
An optical filter is a device that selectively transmits light of different wavelengths, usually implemented as a glass plane or plastic device in the optical path, which are either dyed in the bulk or have interference coatings.
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Optical path length
In optics, optical path length (OPL) or optical distance is the product of the geometric length of the path light follows through the system, and the index of refraction of the medium through which it propagates(OP.
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Passband
A passband is the range of frequencies or wavelengths that can pass through a filter.
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Passive optical network
A passive optical network (PON) is a telecommunications technology used to provide fiber to the end consumer, both domestic and commercial.
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Phase velocity
The phase velocity of a wave is the rate at which the phase of the wave propagates in space.
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Polarizer
A polarizer or polariser is an optical filter that lets light waves of a specific polarization pass through while blocking light waves of other polarizations.
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Quartz
Quartz is a mineral composed of silicon and oxygen atoms in a continuous framework of SiO4 silicon–oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical formula of SiO2.
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Refractive index
In optics, the refractive index or index of refraction of a material is a dimensionless number that describes how light propagates through that medium.
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Sun
The Sun is the star at the center of the Solar System.
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Wavelength
In physics, the wavelength is the spatial period of a periodic wave—the distance over which the wave's shape repeats.
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Wavelength-division multiplexing
In fiber-optic communications, wavelength-division multiplexing (WDM) is a technology which multiplexes a number of optical carrier signals onto a single optical fiber by using different wavelengths (i.e., colors) of laser light.
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Waveplate
A waveplate or retarder is an optical device that alters the polarization state of a light wave travelling through it.
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Birefringent filter, Lyot-Öhman filter.
References
[1] https://en.wikipedia.org/wiki/Lyot_filter
