Abstract：A new evaluation method based on thermal isolation section waveguide temperature change measurement is provided, and further description of microcalorimeter design based on this method is described.This method corrects the effective efficiency error come from the thermal isolation section dissipated rf power by its temperature change measurement.It doesn’t need the scatter parameter measurement which is the main uncertainty source.This method gets rid of the uncertainty source from the theory.Finally,the temperature change curve of thermal isolation section is provided, which verifies the method is feasible.The measurement result of the thermal isolation section temperature test shows the theory be correct.
崔孝海,陶毅,李勇,朱大成. 基于温度修正的新微量热计的设计与评定方法研究[J]. 计量学报, 2012, 33(3): 255-258.
CUI Xiao-hai,TAO Yi,LI Yong,ZHU Da-cheng. A New Microcalorimeter Design and Evaluation Method Based on Temperature Correction. Acta Metrologica Sinica, 2012, 33(3): 255-258.
［1］Cui X H, Liu X M, Li Y, et al. Design and measurement of a WR-28 calorimeter［C］//Conference on CPEM, Daejeon,2010.
［2］Cui X H.Design and measurement of a WR-42 calorimeter［C］// 74th ARFTG Conference, Broomfield, CO, 2009.
［3］Cui X H,Crowley T P.Comparison of experimental techniques for evaluating the correction factor of a rectangular waveguide microcalorimeter［J］.IEEE Transactions on Instrumentation and Measurement,2011,60(7):2690-2695.
［4］Crowley T P, Cui X H. Design and evaluation of a WR-15(50 to 75 GHz) microcalorimeter［C］//Conference on Precision Electromagnetic Measurements Digest,Broomfield, CO, 2008.
［5］Allen J W,Clague F R,Larsen N T,et al.NIST Microwave Power Standards in Waveguide［R］.NIST technical note-1511, 1999.
2012, Vol. 33 
