Abstract
Our study describes effective techniques to transfer heat away from UV emitters based on dielectric barrier discharge excilamps. It presents findings from an investigation into the efficiency of excilamp radiation when cooled by air, inert gas, and liquid refrigerants. The devised cooling techniques were used to create radiation sources with a UV power density of up to 117 mW / cm2.
Highlights
As interest in gas-discharge lasers wanes, the focus is gradually shifting to the development and study of efficient and intense sources of spontaneous narrow-band UV and VUV radiation, where the source of radiation is excimer and exciplex molecules excited in dielectric barrier discharge (DBD) plasma in inert gas or inert gas–halogen mixtures
This paper aims to develop and test various ways of cooling actuating media of excilamps excited by electric barrier discharge
The study of excilamp excitation regimes showed that higher radiation of exciplex molecules is caused by shortpulse excitation of operating gas as well as discharge formation via multiple micro-channels, each consisting of two diffuse cones connected at the apexes.[2]
Summary
As interest in gas-discharge lasers wanes, the focus is gradually shifting to the development and study of efficient and intense sources of spontaneous narrow-band UV and VUV radiation, where the source of radiation is excimer and exciplex molecules excited in dielectric barrier discharge (DBD) plasma in inert gas or inert gas–halogen mixtures. Sources of this type are commonly referred to as barrier discharge excilamps, and they are widely used in various fields of science and technology.[1]. This paper aims to develop and test various ways of cooling actuating media of excilamps excited by electric barrier discharge
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