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Coaxial HgI excimer lamps
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2002
Year
Optical MaterialsEngineeringGlow DischargeEmission PowerHigh-power LasersBarrier DischargePlasma ElectronicsRadiation GenerationOptical PropertiesOptical DiagnosticsPulse PowerExcimer LampsElectrical EngineeringNew Lighting TechnologyPulsed LightExcimer LasersElectro-optics DeviceSolid-state LightingApplied PhysicsGas Discharge PlasmaOptoelectronics
The emission of coaxial HgI excimer lamps pumped by a repetitively pulsed barrier discharge is experimentally studied. The stable operation of the excimer lamps was demonstrated at pump-pulse repetition rates from 0.5 to 12 kHz, and the average emission power attained of 0.6 W at 444 nm. It was found that upon an addition of 0.8% of xenon to the mixture of helium and mercury diiodide, the pulse and average emission powers increased by 30%. The emission power reduced by 5% after 2.5 × 106 pulses. An interpretation of the results of optimising the excimer lamp characteristics is given.