Research on difference of the total irradiance for bilirubin with the spectral method and the integral method

Muyao Ji; Tiecheng Li; Fangsheng Lin

doi:10.1117/12.2666623

4 April 2023 Research on difference of the total irradiance for bilirubin with the spectral method and the integral method

Muyao Ji, Tiecheng Li, Fangsheng Lin

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Proceedings Volume 12617, Ninth Symposium on Novel Photoelectronic Detection Technology and Applications; 126175V (2023) https://doi.org/10.1117/12.2666623
Event: 9th Symposium on Novel Photoelectronic Detection Technology and Applications (NDTA 2022), 2022, Hefei, China

Abstract

Jaundice occurs in about 60% newborn infants. Phototherapy with or without a blanket is the most common form of treatment for jaundice in newborn infants. The principle of phototherapy is that when the free bilirubin in the body is irradiated by the blue light with the wavelength 425nm to 475nm. According to the existing effective national standard (YY 0669-2008), the absolute value of the total irradiance for bilirubin only can be measured with the spectral method. But in the upcoming standard (YY 9706.250-2021), the total irradiance for bilirubin can be measured with the spectral method and integral method which is utilized a radiometer calibrated to measure the irradiance of the source spectrum between 400nm to 550nm. However, the response wavelength of most irradiance meters on the market can’t meet the standard requirement. There will be some errors in the actual use of the irradiance meter method. In this paper, we study the difference of the total irradiance for bilirubin measured by the spectrometer method and the irradiance meter method. In the experiment, we select the irradiance meter which is common in the market and widely used in the hospitals. Through our study, we hope that the result which is measured by the irradiance meter in the hospital could be more accurate.

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Muyao Ji, Tiecheng Li, and Fangsheng Lin "Research on difference of the total irradiance for bilirubin with the spectral method and the integral method", Proc. SPIE 12617, Ninth Symposium on Novel Photoelectronic Detection Technology and Applications, 126175V (4 April 2023); https://doi.org/10.1117/12.2666623

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KEYWORDS

Radiometry

Phototherapy

Calibration

Spectroscopy

Manufacturing

Spectral response

Sensors

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