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http://dx.doi.org/10.5207/JIEIE.2008.22.4.107

Electro-Optical Characteristics of an ICP Light Source Depending on Driving Temperature and Length of Discharge Tube  

Yim, Youn-Chan (원광대학교 전자재료공학과)
Park, Dae-Hee (원광대학교 전기전자 및 정보공학부)
Publication Information
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers / v.22, no.4, 2008 , pp. 107-113 More about this Journal
Abstract
We investigated the electro-optical characteristics of an ICP(Inductively Coupled Plasma) light source depending on driving temperature, and length of discharge tube. An electro-optical stability of a sample at operating was measured to see a steady state of a sample. In this results, we can see that a stability of power loss and luminous flux of a sample at operating of upper 70[min] was 1.45[%1 and 0.36[%]. We measured the optical characteristics of a sample in a thermal chamber operated at a specific temperature divided into 5 steps. While luminance increased with temperature increasing, the decrement of luminance a eared at u or $46.7[^{\circ}C]$. According to Parchen's and Boyle-Charles' law, we can speculate that a pressure was increased and a higher voltage was needed but a ballaster having a rating power can't support a higher voltage corresponding to a pressure change, 0.02[Torr] at $46.7[^{\circ}C]$. Moreover, we measured an a lied power and current of samples depending to a various length of a discharge tube.
Keywords
Inductively Coupled Plasma; Thermal Dependency; Rating Power; Aging Time; Electro-Optical Stability;
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