波长
灵敏度(控制系统)
光电子学
材料科学
光学
有损压缩
平面的
呼吸
辐射强度
强度(物理)
物理
信号(编程语言)
辐射
计算机科学
电子工程
计算机图形学(图像)
工程类
解剖
人工智能
医学
程序设计语言
作者
Dina L. Bohorquez,Ignacio Del Villar,Jesús M. Corres,Ignacio R. Matı́as
标识
DOI:10.1016/j.optlastec.2021.107063
摘要
Copper oxide (CuO) allows the generation of lossy mode resonance (LMR) in a wide wavelength range of the optical spectrum, both in the visible and the near-infrared (NIR). For this, it is necessary to use a configuration based on the lateral incidence of light on the edge of a planar waveguide structure. On the other hand, the use of additional coatings of tin oxide (SnO2) and agarose allows an increase in the sensitivity of the sensor, in response to the breathing monitoring. The sensors were characterized, both in intensity and wavelength. In both cases their behavior depends on the position of the LMR in the optical spectrum. Therefore, it is convenient to extract the design rules that allow an optimal behavior of the sensor. In this sense, sensors located in the NIR presented a better behavior in terms of sensitivity and quality of the signal. In addition, the devices were tested in different conditions: repetitive tests at different distances, oral and nasal breathing, and breathing after doing physical exercise.
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