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. 2023 Jun 30;14(7):3841–3852. doi: 10.1364/BOE.494615

Fig. 9.

Fig. 9.

Measurement of poultry meat: (a) appearance of the sample, (b) measured PA spectrum compared with ATR spectrum, and (c) enlarged spectra from 1,030 cm−1 to 1,170 cm−1. Error bars on PZT-PAS spectrum show standard deviations of four measurements.