63 relations: Abscissa and ordinate, Amici prism, Astronomy, Caesium, Charge-coupled device, Chemistry, Circular dichroism, Collimator, Computer, Diffraction grating, Dispersion (optics), Dispersive prism, Electromagnetic spectrum, Electronvolt, Far infrared, Fraunhofer lines, Gamma ray, Gustav Kirchhoff, Hubble sequence, Hubble's law, Imaging spectrometer, Incandescence, Intensity (physics), International Union of Pure and Applied Chemistry, Joseph von Fraunhofer, Journal of Chemical Education, Light, List of light sources, Main sequence, Mass spectrometry, Microwave, Monochromator, Pearson Education, Photodetector, Photographic film, Photographic paper, Photometry (optics), Photomultiplier, Photon, Phytochrome, Polarization (waves), Polychromator, Prism spectrometer, Radio, Refracting telescope, Refraction, Robert Bunsen, Rubidium, Scanning mobility particle sizer, Sodium, ..., Sodium-vapor lamp, Spectral density, Spectral line, Spectrometer, Spectrophotometry, Spectroradiometer, Spectroscopy, Spectrum analyzer, Stellar classification, Ultraviolet, Wavelength, Wavenumber, X-ray. Expand index (13 more) » « Shrink index
In mathematics, the abscissa (plural abscissae or abscissæ or abscissas) and the ordinate are respectively the first and second coordinate of a point in a coordinate system.
An Amici prism, named for the astronomer Giovanni Amici, is a type of compound dispersive prism used in spectrometers.
Astronomy (from ἀστρονομία) is a natural science that studies celestial objects and phenomena.
Caesium (British spelling and IUPAC spelling) or cesium (American spelling) is a chemical element with symbol Cs and atomic number 55.
A charge-coupled device (CCD) is a device for the movement of electrical charge, usually from within the device to an area where the charge can be manipulated, for example conversion into a digital value.
Chemistry is the scientific discipline involved with compounds composed of atoms, i.e. elements, and molecules, i.e. combinations of atoms: their composition, structure, properties, behavior and the changes they undergo during a reaction with other compounds.
Circular dichroism (CD) is dichroism involving circularly polarized light, i.e., the differential absorption of left- and right-handed light.
A collimator is a device that narrows a beam of particles or waves.
A computer is a device that can be instructed to carry out sequences of arithmetic or logical operations automatically via computer programming.
In optics, a diffraction grating is an optical component with a periodic structure that splits and diffracts light into several beams travelling in different directions.
In optics, dispersion is the phenomenon in which the phase velocity of a wave depends on its frequency.
In optics, a dispersive prism is an optical prism, usually having the shape of a geometrical triangular prism, used as a spectroscopic component.
The electromagnetic spectrum is the range of frequencies (the spectrum) of electromagnetic radiation and their respective wavelengths and photon energies.
In physics, the electronvolt (symbol eV, also written electron-volt and electron volt) is a unit of energy equal to approximately joules (symbol J).
Far infrared (FIR) is a region in the infrared spectrum of electromagnetic radiation.
In physics and optics, the Fraunhofer lines are a set of spectral lines named after the German physicist Joseph von Fraunhofer (1787–1826).
A gamma ray or gamma radiation (symbol γ or \gamma), is penetrating electromagnetic radiation arising from the radioactive decay of atomic nuclei.
Gustav Robert Kirchhoff (12 March 1824 – 17 October 1887) was a German physicist who contributed to the fundamental understanding of electrical circuits, spectroscopy, and the emission of black-body radiation by heated objects.
The Hubble sequence is a morphological classification scheme for galaxies invented by Edwin Hubble in 1926.
Hubble's law is the name for the observation in physical cosmology that.
An imaging spectrometer is an instrument used in hyperspectral imaging and imaging spectroscopy to acquire a spectrally-resolved image of an object or scene, often referred to as a datacube due to the three-dimensional representation of the data.
Incandescence is the emission of electromagnetic radiation (including visible light) from a hot body as a result of its temperature.
In physics, intensity is the power transferred per unit area, where the area is measured on the plane perpendicular to the direction of propagation of the energy.
The International Union of Pure and Applied Chemistry (IUPAC) is an international federation of National Adhering Organizations that represents chemists in individual countries.
Joseph Ritter von Fraunhofer (6 March 1787 – 7 June 1826) was a Bavarian physicist and optical lens manufacturer.
The Journal of Chemical Education is a monthly peer-reviewed academic journal available in both print and electronic versions.
Light is electromagnetic radiation within a certain portion of the electromagnetic spectrum.
This is a list of sources of light, including both natural and artificial processes that emit light.
In astronomy, the main sequence is a continuous and distinctive band of stars that appear on plots of stellar color versus brightness.
Mass spectrometry (MS) is an analytical technique that ionizes chemical species and sorts the ions based on their mass-to-charge ratio.
Microwaves are a form of electromagnetic radiation with wavelengths ranging from one meter to one millimeter; with frequencies between and.
A monochromator is an optical device that transmits a mechanically selectable narrow band of wavelengths of light or other radiation chosen from a wider range of wavelengths available at the input.
Pearson Education (see also Pearson PLC) is a British-owned education publishing and assessment service to schools and corporations, as well as directly to students.
Photosensors or photodetectors are sensors of light or other electromagnetic energy.
Photographic film is a strip or sheet of transparent plastic film base coated on one side with a gelatin emulsion containing microscopically small light-sensitive silver halide crystals.
Photographic paper is a paper coated with a light-sensitive chemical formula, used for making photographic prints.
Photometry is the science of the measurement of light, in terms of its perceived brightness to the human eye.
Photomultiplier tubes (photomultipliers or PMTs for short), members of the class of vacuum tubes, and more specifically vacuum phototubes, are extremely sensitive detectors of light in the ultraviolet, visible, and near-infrared ranges of the electromagnetic spectrum.
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).
Phytochromes are a class of photoreceptor in plants, bacteria and fungi use to detect light.
Polarization (also polarisation) is a property applying to transverse waves that specifies the geometrical orientation of the oscillations.
A polychromator is an optical device that is used to disperse light into different directions to isolate parts of the spectrum of the light.
A prism spectrometer is an optical spectrometer which uses a dispersive prism as its dispersive element.
Radio is the technology of using radio waves to carry information, such as sound, by systematically modulating properties of electromagnetic energy waves transmitted through space, such as their amplitude, frequency, phase, or pulse width.
A refracting telescope (also called a refractor) is a type of optical telescope that uses a lens as its objective to form an image (also referred to a dioptric telescope).
Refraction is the change in direction of wave propagation due to a change in its transmission medium.
Robert Wilhelm Eberhard Bunsen (30 March 1811N1 – 16 August 1899) was a German chemist.
Rubidium is a chemical element with symbol Rb and atomic number 37.
A scanning mobility particle sizer (SMPS) is an analytical instrument that measures the size and number concentration of aerosol particles with diameters from 2.5 nm to 1000 nm.
Sodium is a chemical element with symbol Na (from Latin natrium) and atomic number 11.
A sodium-vapor lamp is a gas-discharge lamp that uses sodium in an excited state to produce light at a characteristic wavelength near 589 nm.
The power spectrum S_(f) of a time series x(t) describes the distribution of power into frequency components composing that signal.
A spectral line is a dark or bright line in an otherwise uniform and continuous spectrum, resulting from emission or absorption of light in a narrow frequency range, compared with the nearby frequencies.
A spectrometer is a scientific instrument used to separate and measure spectral components of a physical phenomenon.
In chemistry, spectrophotometry is the quantitative measurement of the reflection or transmission properties of a material as a function of wavelength.
Spectroradiometers are devices designed to measure the spectral power distribution of a source.
Spectroscopy is the study of the interaction between matter and electromagnetic radiation.
A spectrum analyzer measures the magnitude of an input signal versus frequency within the full frequency range of the instrument.
In astronomy, stellar classification is the classification of stars based on their spectral characteristics.
Ultraviolet (UV) is electromagnetic radiation with a wavelength from 10 nm to 400 nm, shorter than that of visible light but longer than X-rays.
In physics, the wavelength is the spatial period of a periodic wave—the distance over which the wave's shape repeats.
In the physical sciences, the wavenumber (also wave number or repetency) is the spatial frequency of a wave, measured in cycles per unit distance or radians per unit distance.
X-rays make up X-radiation, a form of electromagnetic radiation.