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Measurement of Spherical Aberration and Light Concentrating Efficiency of Lens by Using Thermocouple  

Kim, Han-Seob (울산대학교 기계자동차공학부)
Park, Kyu-Yeol (울산대학교 기계자동차공학부)
Publication Information
Transactions of the Korean Society of Machine Tool Engineers / v.16, no.5, 2007 , pp. 172-177 More about this Journal
Abstract
In this paper, spherical aberration and light concentrating efficiency of lens was measured. The measuring system is applying spherical aberration occurrence principal and could measure a temperature at focal plane by using the thermocouple. The sun which is located in infinite distance and could makes parallel ray is used as a illuminant or heat source in experiments. It is confirmed that light concentrating efficiency of optical lens is in inverse proportion to spherical aberration and.
Keywords
Spherical lens; Aspherical lens; Spherical aberration; Thermocouple; Light Concentrating efficiency;
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