液晶バックライト用低圧Ar-Hg放電中の粒子密度とプラズマパラメータ

概要

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The electron temperature and electron density in the tube axis of a low-pressure Ar-Hg discharge lamp with 4-mm inner diameter were measured under various bath temperatures using a probe method. The electron temperature decreased from 2 to 1 eV in bath temperature region from 0 to 80℃. The electron density had a minimum at about 50℃. The Hg^+ ion, Hg metastable, and Ar metastable densities were measured using a modified absorption method. The Hg ion and Hg 6p^3P_<0.2> densities increased with bath temperature and saturated above 60℃. The Hg molecular ion density was determined by combining the modified absorption and probe methods. The Hg ionization rate caused by Penning ionized collisions between Ar metastables and Hg atoms was maximum at about 30℃.
社団法人照明学会の論文
1999-08-01