Determining absorption coefficients in a photoacoustic system
文献类型：专利
| 作者 | LI, YOUZHI; CHEN, BO |
| 发表日期 | 2014-02-20 |
| 专利号 | WO2014028683A1 |
| 著作权人 | COVIDIEN LP |
| 国家 | 世界知识产权组织 |
| 文献子类 | 发明申请 |
| 其他题名 | Determining absorption coefficients in a photoacoustic system |
| 英文摘要 | A physiological monitoring system may use photoacoustic sensing to determine physiological information of a subject. The photoacoustic monitoring system may use a light source, such as a modulated continuous wave laser diode, to provide a frequency modulated photonic signal (e.g., a chirp signal) to the subject. An acoustic detector may be used to detect an acoustic pressure signal from the subject. The acoustic pressure signal may include two components corresponding to two wavelengths of light in the photonic signal. A signal ratio may be calculated based on the two components. The photoacoustic monitoring system may use the signal ratio to calculate one or more absorption coefficients. The photoacoustic monitoring system may use the one or more absorption coefficients to determine additional physiological information such as hemoglobin concentration, blood oxygen saturation, and temperature. |
| 公开日期 | 2014-02-20 |
| 申请日期 | 2013-08-15 |
| 状态 | 未确认 |
| 源URL | [http://ir.opt.ac.cn/handle/181661/58876]  |
| 专题 | 半导体激光器专利数据库 |
| 作者单位 | COVIDIEN LP |
| 推荐引用方式 GB/T 7714 | LI, YOUZHI,CHEN, BO. Determining absorption coefficients in a photoacoustic system. WO2014028683A1. 2014-02-20. |
入库方式： OAI收割
来源：西安光学精密机械研究所
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