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Effective attenuation coefficients and penetration depth of 1064-nm light in chicken breast muscle by exponential fitting of photodiode signals and reconstructed photoacoustic amplitudes at various depths.
| Effective attenuation coefficient (mm−1) | 95% confidence interval | R2 | Effective penetration depth (mm) | |
|---|---|---|---|---|
| Reconstructed needle tip | 0.18 | (0.10, 0.21) | 0.97 | 5.6 |
| Reconstructed CuS NP of 100 mg/L | 0.12 | (0.11, 0.13) | 0.99 | 8.3 |
| Photodiode signal amplitude | 0.17 | (0.14, 0.20) | 0.98 | 5.9 |
