Table 1. Calculation of theoretical and experimental SNR for Raman data of biological samples.
| Signal Metric | Milk | Tissue | Units | |
|---|---|---|---|---|
| Total signal intensity | 14900, 25330 | 24140, 41038 | ADU, e- | |
| Raman intensity (1440 cm−1) | 4559, 7750 | 4333, 7366 | ADU, e- | |
| Signal shot noise (1440 cm−1) | 159 | 203 | e- | |
| Signal-free noise sum | 7 | 7 | e- | |
|
| ||||
| Signal standard deviation | Silent region, 1800-1900cm−1 | 45 | 58 | ADU |
| Uncorrected, 1440 cm−1 | 201 | 304 | ADU | |
| MSC-corrected, 1440 cm−1 | 95 | 110 | ADU | |
|
| ||||
| SNR1440 | Theoretical | 49 | 36 | a.u. |
| Experimental (silent region) | 101 | 75 | a.u. | |
| Experimental (uncorrected) | 23 | 14 | a.u. | |
| Experimental (MSC-corrected) | 48 | 39 | a.u. | |