Publication

Characterization of Kinetic Processes in Nano Pulsed SDBD

Christoph Hollenstein, Peter Ott, Pénélope Leyland
2012
Conference Papers

Abstract

The plasma produced by a nano pulsed surface dielectric barrier discharge (SDBD) is investigated experimentally by means of time-resolved optical emission spectroscopy. The relative populations of the most intense radiating species is determined with an in-house code for emission spectroscopy. The possibility to use low-lying states such as N2(B) and argon (2p) to characterize kinetic processes in the plasma at low electric field is demonstrated.

Official source

https://infoscience.epfl.ch/entities/publication/8fc338dd-7129-4e4f-a0cf-5d3d5e4a0ae8

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Christoph Hollenstein, Peter Ott, Pénélope Leyland
2012
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/8fc338dd-7129-4e4f-a0cf-5d3d5e4a0ae8

About this result

Related concepts (27)

Spectroscopy

Spectroscopy is the field of study that measures and interprets the electromagnetic spectra that result from the interaction between electromagnetic radiation and matter as a function of the wavelength or frequency of the radiation. Matter waves and acoustic waves can also be considered forms of radiative energy, and recently gravitational waves have been associated with a spectral signature in the context of the Laser Interferometer Gravitational-Wave Observatory (LIGO).

Atomic emission spectroscopy

Atomic emission spectroscopy (AES) is a method of chemical analysis that uses the intensity of light emitted from a flame, plasma, arc, or spark at a particular wavelength to determine the quantity of an element in a sample. The wavelength of the atomic spectral line in the emission spectrum gives the identity of the element while the intensity of the emitted light is proportional to the number of atoms of the element. The sample may be excited by various methods.

Emission spectrum

The emission spectrum of a chemical element or chemical compound is the spectrum of frequencies of electromagnetic radiation emitted due to an electron making a transition from a high energy state to a lower energy state. The photon energy of the emitted photon is equal to the energy difference between the two states. There are many possible electron transitions for each atom, and each transition has a specific energy difference. This collection of different transitions, leading to different radiated wavelengths, make up an emission spectrum.

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