Accuracy Correction of Miniaturization Device for Air Refractive Index Measurement

Bingyang Wu; Jinlong Yu; Ju Wang; Wenrui Wang

doi:10.3788/LOP55.040102

Laser & Optoelectronics Progress, Volume. 55, Issue 4, 040102(2018)

Accuracy Correction of Miniaturization Device for Air Refractive Index Measurement

Bingyang Wu¹, Jinlong Yu¹, Ju Wang^、*, and Wenrui Wang¹

¹ Laboratory of Optical Fiber Communications, School of Electrical and Information Engineering, Tianjin University, Tianjin 300072, China

¹ School of Aeronautics and Astronautics, Zhejiang University, Hangzhou, Zhejiang 310058, China

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Figures & Tables(8)

$Principle diagram of air refractive index measurement scheme based on secondary polarization modulation ranging system$

Fig. 1. Principle diagram of air refractive index measurement scheme based on secondary polarization modulation ranging system

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Fig. 2. Principle diagram of temperature correction scheme

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Fig. 3. Temperature measurement result of SHT75 sensor

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Fig. 4. Comparison of temperature measurement results using SHT75 sensor and Ms5803 sensor

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Fig. 5. Comparison of measurement results using Ms5803 sensor and Model278 sensor

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$Measurement results of air refractive index$

Fig. 6. Measurement results of air refractive index

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Table 1. Comparison of temperature measurement results of two methods
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Table 1. Comparison of temperature measurement results of two methods
Parameter Value
Platinum resistance /Ω 28.56642
Temperature of platinum resistance /℃ 28.714
Temperature of SHT75 sensor /℃ 28.84
Sample standard deviationof SHT75 sensor /℃ 0.0101

Table 2. Comparison of measurement results of two methods

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Table 2. Comparison of measurement results of two methods

Prameter	Value
Average output voltageof Model278 sensor /V	3.5651379
Average air pressureof Model278 sensor /Pa	101390.8
Sample standard deviationof Model278 sensor /Pa	4.95
Average air pressure ofMs5803 sensor /Pa	101411.5
Sample standard deviationof Ms5803 sensor /Pa	7.54

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Bingyang Wu, Jinlong Yu, Ju Wang, Wenrui Wang. Accuracy Correction of Miniaturization Device for Air Refractive Index Measurement[J]. Laser & Optoelectronics Progress, 2018, 55(4): 040102

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