Preliminary Design of Calibration Device of Micro-Thermometer

Journal of Atmospheric and Environmental Optics ›› 2011, Vol. 6 ›› Issue (4): 294-298.

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Preliminary Design of Calibration Device of Micro-Thermometer

ZHAO Le-zhi, LIU Xiao-qin, LU wei

(Key Laboratory of Atmospheric Compositon and Optical Radiation, Anhui Institute of Optics and Fine Mechanics, China Academy of Sciences, Hefei, 230031, China)

Received:2009-08-25 Revised:2010-10-22 Online:2011-07-28 Published:2011-07-18

Abstract

Abstract:

Refractive index structure constant Cn2 is an important atmospheric parameter. There are many methods to measure Cn2, one is using micro-thermometer, but the precise controlled micro-thermometer source is difficult to be realized. Therefore, there isn’t a standard micro-thermometer source for the calibration of the micro-thermometer until now. Based on the principle of thermodynamics, using adiabatic compression and expansion of gas method, a temperature controlled device is developed. The uncertainty analysis of the device is proved that the device can be used to calibrate micro-thermometer.

Key words: refractive index structure constant, micro-thermometer, micro-thermometer source

CLC Number:

P414

ZHAO Le-Zhi, LIU Xiao-Qin, LU Wei. Preliminary Design of Calibration Device of Micro-Thermometer[J]. Journal of Atmospheric and Environmental Optics, 2011, 6(4): 294-298.

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Preliminary Design of Calibration Device of Micro-Thermometer

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