gas-discharge plasma
81Frequency classification of plasmas — Electrical discharges applied in a plasma source for the generation of plasmas can be classified by the frequency of the exciting field. A rough classification is:*Direct current discharge (DC) *Pulsed DC discharge (kHz) *Radio frequency… …
82Gasentladungsröhre — Edelgase in Gasentladungsröhren …
83Atom — The atom is the smallest unit of an element that retains the chemical properties of that element. An atom has an electron cloud consisting of negatively charged electrons surrounding a dense nucleus. The nucleus contains positively charged… …
84List of light sources — This is a list of sources of light, including both natural and artificial sources, and both processes and devices .Natural [ Lightning can be a spectacular source of illumination.] *Astronomical objects **Sunlight (Solar radiation)… …
85History of mass spectrometry — The history of mass spectrometry dates back more than one hundred years and has its roots in physical and chemical studies regarding the nature of matter. The study of gas discharges in the mid 19th century led to the discovery of anode and… …
86Alfvén wave — An Alfvén wave, named after Hannes Alfvén, is a type of magnetohydrodynamic wave. Mathematical definition An Alfvén wave in a plasma is a traveling oscillation of the ions and the magnetic field. The ion mass density provides the inertia and the… …
87Deuterium arc lamp — A deuterium arc lamp (or simply deuterium lamp) is a low pressure gas discharge light source often used in spectroscopy when a continuous spectrum in the ultraviolet region is needed. Contents 1 Principle of operation 2 Deuterium lamp spectra 3… …
88Lámpara U-HID — (Ultra High Intensity Discharge) Mezcla de dos principios físicos en electrónica de iluminación, la lámpara U HID es la combinación de las tecnologías de plasma y HID (High Intensity Discharge). La lámpara U HID produce un haz de luz debido a la… …
89Debye length — In plasma physics, the Debye length (also called Debye radius), named after the Dutch physicist and physical chemist Peter Debye, is the scale over which mobile charge carriers (e.g. electrons) screen out electric fields in plasmas and other… …
90Compact fluorescent lamp — Low energy light bulb redirects here. For other low energy bulbs, see LED lamp. The tubular type compact fluorescent lamp is one of the most popular types in Europe …
