hollow cathode

hollow cathode

[′häl·ō ′kath‚ōd]
(electronics)
A cathode which is hollow and closed at one end in a discharge tube filled with inert gas, designed so that radiation is emitted from the cathode glow inside the cathode.
References in periodicals archive ?
About 10 percent of the propellant carried into space on satellites that use an electric propulsion system is essentially wasted in the hollow cathode that is part of the system," said Mitchell Walker, an assistant professor in Georgia Tech's School of Aerospace Engineering and the project's principal investigator.
Argon is frequently used to sustain the discharge in a hollow cathode spectral source, and the source typically excites the first, second, and third spectra of argon as well as the spectrum of the cathode material.
Hollow cathode lamps (HCLs) occupy a unique place in the analytical instrument aftermarket.
We also supply replacement and OEM deuterium lamps, AA hollow cathode lamps, see-through hollow cathode lamps and a selection of Tungsten Halogen, Xenon and specialized light sources.
In order to cope with this urgent issue, scientists in Japan have adopted optical diagnostics using the Stark effect, which is sensitive to local electric fields, to the IECF device with a hollow cathode.
Atomic absorption (AA) sources are created in a hollow cathode lamp (HCL) emitting radiation of a single element.
The plasma mirror is formed[2, 4] by driving a glow discharge between a U-shaped linear hollow cathode and a flat plate brass anode which are immersed in an axial magnetic field of strength 15-25 mTesla.
The PinAAcle series' performance is enhanced when used with PerkinElmer Lumina[TM] hollow cathode lamps and patented graphite tubes.
Tenders are invited for Hollow cathode lamps - 3 nos.
The topics include a band energy structure arrangement for organic solar cells with metalized deoxyribonucleic acid strands on an anode electrode, the large-scale deposition of transparent conducting oxides by hollow cathode sputtering, the cost effective fabrication of wafer scale nanoholes for solar cells applications, pushing the material boundaries in sliver solar cell technology, and a comparative study of the manufacturability of selective emitter and double printing on mono-silicon photovoltaic cells.
They used the NIST 10 m vacuum spectrometer to record the spectra, which were calibrated by spectral lines from a platinum hollow cathode lamp.
This includes transmission cells, fiber optics, windows, polarizers, hollow cathode lamps, reflectance accessories and more.