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27 relations: Astronomy, Electromagnetic radiation, Electromagnetic spectrum, Focal Press, Frequency, Hertz, Infrared thermometer, Integral, Light, Limit (mathematics), Measurement, Metre, Microwave radiometer, Optics, Photometry (astronomy), Photometry (optics), Photon, Power (physics), Pyrometer, Quantum optics, Radiant flux, Radio astronomy, Reflectance, Remote sensing, Speed of light, Watt, Wavelength.
Astronomy
Astronomy (from ἀστρονομία) is a natural science that studies celestial objects and phenomena.
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Electromagnetic radiation
In physics, electromagnetic radiation (EM radiation or EMR) refers to the waves (or their quanta, photons) of the electromagnetic field, propagating (radiating) through space-time, carrying electromagnetic radiant energy.
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Electromagnetic spectrum
The electromagnetic spectrum is the range of frequencies (the spectrum) of electromagnetic radiation and their respective wavelengths and photon energies.
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Focal Press
Focal Press is a publisher of media technology books and it is an imprint of Taylor & Francis.
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Frequency
Frequency is the number of occurrences of a repeating event per unit of time.
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Hertz
The hertz (symbol: Hz) is the derived unit of frequency in the International System of Units (SI) and is defined as one cycle per second.
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Infrared thermometer
An infrared thermometer is a thermometer which infers temperature from a portion of the thermal radiation sometimes called black-body radiation emitted by the object being measured.
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Integral
In mathematics, an integral assigns numbers to functions in a way that can describe displacement, area, volume, and other concepts that arise by combining infinitesimal data.
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Light
Light is electromagnetic radiation within a certain portion of the electromagnetic spectrum.
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Limit (mathematics)
In mathematics, a limit is the value that a function (or sequence) "approaches" as the input (or index) "approaches" some value.
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Measurement
Measurement is the assignment of a number to a characteristic of an object or event, which can be compared with other objects or events.
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Metre
The metre (British spelling and BIPM spelling) or meter (American spelling) (from the French unit mètre, from the Greek noun μέτρον, "measure") is the base unit of length in some metric systems, including the International System of Units (SI).
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Microwave radiometer
A microwave radiometer (MWR) is a radiometer that measures energy emitted at millimetre-to-centimetre wavelengths (frequencies of 1–1000 GHz) known as microwaves.
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Optics
Optics is the branch of physics which involves the behaviour and properties of light, including its interactions with matter and the construction of instruments that use or detect it.
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Photometry (astronomy)
Photometry is a technique of astronomy concerned with measuring the flux, or intensity of an astronomical object's electromagnetic radiation.
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Photometry (optics)
Photometry is the science of the measurement of light, in terms of its perceived brightness to the human eye.
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Photon
The photon is a type of elementary particle, the quantum of the electromagnetic field including electromagnetic radiation such as light, and the force carrier for the electromagnetic force (even when static via virtual particles).
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Power (physics)
In physics, power is the rate of doing work, the amount of energy transferred per unit time.
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Pyrometer
A pyrometer is a type of remote-sensing thermometer used to measure the temperature of a surface.
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Quantum optics
Quantum optics (QO) is a field of research that uses semi-classical and quantum-mechanical physics to investigate phenomena involving light and its interactions with matter at submicroscopic levels.
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Radiant flux
In radiometry, radiant flux or radiant power is the radiant energy emitted, reflected, transmitted or received, per unit time, and spectral flux or spectral power is the radiant flux per unit frequency or wavelength, depending on whether the spectrum is taken as a function of frequency or of wavelength.
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Radio astronomy
Radio astronomy is a subfield of astronomy that studies celestial objects at radio frequencies.
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Reflectance
Reflectance of the surface of a material is its effectiveness in reflecting radiant energy.
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Remote sensing
Remote sensing is the acquisition of information about an object or phenomenon without making physical contact with the object and thus in contrast to on-site observation.
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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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Watt
The watt (symbol: W) is a unit of power.
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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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Redirects here:
Radiometric, Spectral radiometric quantity, Spectroradiometry.
References
[1] https://en.wikipedia.org/wiki/Radiometry
