• A spectral line is a weaker or stronger region in an otherwise uniform and continuous spectrum. It may result from emission or absorption of light in...
    20 KB (2,340 words) - 11:41, 24 May 2025
  • Thumbnail for Spectral line shape
    Spectral line shape or spectral line profile describes the form of an electromagnetic spectrum in the vicinity of a spectral line – a region of stronger...
    25 KB (2,986 words) - 13:06, 24 May 2025
  • Thumbnail for Spectroscopy
    Least-squares spectral analysis List of spectroscopists Metamerism (color) Operando spectroscopy Scattering theory Spectral line ratios Spectral power distribution...
    44 KB (4,768 words) - 18:59, 23 May 2025
  • Thumbnail for Spectral color
    A spectral color is a color that is evoked by monochromatic light, i.e. either a spectral line with a single wavelength or frequency of light in the visible...
    11 KB (995 words) - 22:06, 19 May 2025
  • intensity in an experiment can be challenging, the ratio of different spectral line intensities can be used to achieve information about the plasma, as...
    4 KB (584 words) - 13:59, 8 January 2024
  • Thumbnail for Hydrogen line
    The hydrogen line, 21 centimeter line, or H I line is a spectral line that is created by a change in the energy state of solitary, electrically neutral...
    31 KB (3,542 words) - 20:25, 24 May 2025
  • Spectral is a 2016 Hungarian-American military science fiction action film co-written and directed by Nic Mathieu. Written with Ian Fried & George Nolfi...
    16 KB (1,588 words) - 00:16, 20 May 2025
  • Thumbnail for Lyman-alpha
    Lyman-alpha (redirect from Lyman alpha line)
    Lyman-alpha, typically denoted by Ly-α or Lyα, is a spectral line of hydrogen (or, more generally, of any one-electron atom) in the Lyman series. It is...
    5 KB (493 words) - 02:52, 18 May 2025
  • Thumbnail for Hydrogen-alpha
    Hydrogen-alpha (redirect from H-alpha line)
    deep-red visible spectral line of the hydrogen atom with a wavelength of 656.28 nm in air and 656.46 nm in vacuum. It is the first spectral line in the Balmer...
    7 KB (856 words) - 08:51, 27 May 2025
  • Thumbnail for James Clerk Maxwell Telescope
    instruments: broadband continuum receivers and heterodyne detection spectral line receivers. Continuum emission is a tracer of star formation in other...
    12 KB (1,385 words) - 20:00, 11 August 2024
  • Line spectral pairs (LSP) or line spectral frequencies (LSF) are used to represent linear prediction coefficients (LPC) for transmission over a channel...
    6 KB (805 words) - 13:15, 25 May 2025
  • Thumbnail for Zeeman effect
    The Zeeman effect (Dutch: [ˈzeːmɑn]) is the splitting of a spectral line into several components in the presence of a static magnetic field. It is caused...
    36 KB (5,318 words) - 07:21, 25 May 2025
  • Thumbnail for Emission spectrum
    i.e. they are composed of more than one wavelength of light. This spectral line broadening has many different causes. Emission spectroscopy is often...
    23 KB (2,640 words) - 20:06, 25 May 2025
  • Balmer series (redirect from Balmer line)
    atomic physics, is one of a set of six named series describing the spectral line emissions of the hydrogen atom. The Balmer series is calculated using...
    12 KB (1,328 words) - 21:50, 8 May 2025
  • Thumbnail for Equivalent width
    The equivalent width of a spectral line is a measure of the area of the line on a plot of intensity versus wavelength in relation to underlying continuum...
    5 KB (619 words) - 19:15, 27 February 2025
  • Thumbnail for TON 618
    2019 by Ge and colleagues which utilizes the C IV emission line, an alternative spectral line to Hβ, using the same data reproduced by the earlier paper...
    17 KB (1,840 words) - 23:22, 24 May 2025
  • Spectral imaging is imaging that uses multiple bands across the electromagnetic spectrum. While an ordinary camera captures light across three wavelength...
    6 KB (777 words) - 17:01, 18 February 2025
  • of data transfer, bit rate or throughput Spectral linewidth, the width of an atomic or molecular spectral line Bandwidth may also refer to: Bandwidth (linear...
    1 KB (204 words) - 22:46, 13 April 2025
  • Free spectral range (FSR) is the spacing in optical frequency or wavelength between two successive reflected or transmitted optical intensity maxima or...
    6 KB (983 words) - 00:12, 13 May 2024
  • Thumbnail for Fabry–Pérot interferometer
    {1}{(2\tau _{c})^{-1}+i2\pi (\nu -\nu _{q})}}.} Each mode has a normalized spectral line shape per unit frequency interval given by γ ~ q ( ν ) = 1 τ c | E ~...
    55 KB (8,890 words) - 22:40, 23 May 2025
  • Thumbnail for Krypton
    and excimer lasers), each of which resonates and amplifies a single spectral line. Krypton fluoride also makes a useful laser medium. From 1960 to 1983...
    27 KB (3,162 words) - 07:01, 25 May 2025
  • Thumbnail for Boltzmann distribution
    state. This gives a stronger spectral line. However, there are other factors that influence the intensity of a spectral line, such as whether it is caused...
    20 KB (2,496 words) - 00:43, 18 May 2025
  • Thumbnail for Angstrom
    which they called "Ångström", based on the wavelength of a specific spectral line. It was only in 1960, when the metre was redefined in the same way,...
    19 KB (2,041 words) - 19:46, 11 March 2025
  • Thumbnail for Flame
    typically being black-body radiation and spectral band emission, with both spectral line emission and spectral line absorption playing smaller roles. In the...
    22 KB (2,382 words) - 01:41, 24 May 2025
  • Thumbnail for SN 1993J
    giant star) with strong hydrogen spectral line emission, but later the hydrogen lines faded and strong helium spectral lines appeared, making the supernova...
    9 KB (849 words) - 16:51, 24 May 2025
  • output of a pulse height analyzer for characteristic features such as spectral line, edges, and various physical processes producing continuum shapes Multispectral...
    1 KB (201 words) - 23:03, 5 June 2022
  • Thumbnail for Stark effect
    field. It is the electric-field analogue of the Zeeman effect, where a spectral line is split into several components due to the presence of the magnetic...
    18 KB (2,703 words) - 02:08, 25 February 2025
  • Thumbnail for Einstein coefficients
    proposed them in 1916. In physics, one thinks of a spectral line from two viewpoints. An emission line is formed when an atom or molecule makes a transition...
    32 KB (4,653 words) - 14:19, 28 April 2025
  • Thumbnail for Spectral band
    spectral bands refer to the electromagnetic emission of polyatomic systems, including condensed materials, large molecules, etc. Each spectral line corresponds...
    4 KB (535 words) - 16:14, 25 March 2025
  • Thumbnail for Helium
    the helium spectral line during the solar eclipse of 1868, while Lockyer observed it from Britain. However, only Lockyer proposed that the line was due to...
    147 KB (16,370 words) - 04:47, 26 May 2025