Kang Xu, Cheng Wang, Mengjiao Zhang, Qian Chen, Huazhong Xiang, Gang Zheng. Photoacoustic Spectrum Analysis of Atherosclerotic Vessels[J]. Laser & Optoelectronics Progress, 2021, 58(12): 1217001
- Laser & Optoelectronics Progress
- Vol. 58, Issue 12, 1217001 (2021)
Fig. 1. Schematic of photoacoustic spectrum analysis system
Fig. 2. Pictures of mouse ear. (a) Photograph of vessels in mouse ear; (b) optical microimaging of vessels at the bifurcation of mouse ear; (c) photoacoustic imaging of vessels at the root of mouse ear
Fig. 3. Photoacoustic signal of vessel in mouse ear. (a) Time-domain signal; (b) power spectral density
Fig. 4. Simulation of vessel in mouse ear. (a) Simulation model; (b) log power spectrum
Fig. 5. Simulation data graphs. (a) Sound speed and slope; (b) sound speed and intercept
Fig. 6. Slope and intercept scatter plots in 4th experiment. (a) (b) Position A; (c)(d) position B
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Table 1. K-wave simulation data
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Table 2. Interaction-value of repetitive variance analysis of wavelength
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Table 3. Significance level table for variance analysis
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