Precise mid-field modeling for UVC LEDs by using a fluorescent film

Thi Thu Ngoc Le, Shih Kang Lin, Ching Cherng Sun, Quang Khoi Nguyen, Chi Shou Wu, Tsung Hsun Yang, Yeh Wei Yu

研究成果: 雜誌貢獻期刊論文同行評審

4 引文 斯高帕斯(Scopus)

摘要

This paper presents the mid-field model for an ultraviolet C light emitting diode (UVC LED) of wavelength around 275±5 nm by comparison of the 2-dimension (2-D) gray-level image captured from a mono-CMOS sensor and simulated irradiance pattern. Because of UVC light, we propose using a fluorescent film to absorb UVC light and re-emit visible light so that the 2-D image could be captured. The analysis and calibration to obtain accurate gray level of image are performed. Finally, we achieve the mid-field model with high accuracy. Furthermore, this model is also applied for dome lens design and then compares the performance with fabricated samples in measurement to expertise its validity.

原文???core.languages.en_GB???
頁(從 - 到)3117-3128
頁數12
期刊OSA Continuum
4
發行號12
DOIs
出版狀態已出版 - 15 12月 2021

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