Skip to main content
. 2023 Aug 3;14(9):4455–4467. doi: 10.1364/BOE.493897

Fig. 1.

Fig. 1.

Schematic drawing of the sensor pad of the near infrared spectroscopy and the relation of the channels inside the cupping cup (shaded area under channels 9, 10, 11, and 12) and outside the cupping cup (channels 7, 8, 13 and 14).