General Characteristics of High-Frequency Electrodeless Spectral Lamps
At least two kinds of discharges have been known since the 1930s. Following  they were named E- and H-discharges. As mentioned in the introduction, the E-discharge is excited in the antinodes of the electric field, and the H-discharge in the antinodes of the magnetic field. Accordingly, in the E-discharge the breakdown and maintenance of the discharge are insured by an electric potential field while in the H-discharge by a curling electric field. Different types of hf discharges have been discussed in detail for discharge parameter variation over a wide range [15, 133–137].
KeywordsOscillatory Circuit Stepwise Ionization Ignition Voltage Rubidium Vapor Spectral Lamp
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