Table 1.

System characteristics of high-optode density wearable probe. Dynamic range, drift, and precision refer to mean values across all 392 S-D pairs.

Dimensions and optodes		Performance characteristics
Diameter	80 (mm)	Dynamic range	68 (dB)
Thickness	10 (mm)	Acquisition rate	0.4 (Hz)
Wavelength	750/850 (nm)	Drift (${\mu }_{\mathrm{a}}$)	0.34 (%/h)
Total # S-D pairs	512	Precision (${\mu }_{\mathrm{a}}$)	0.063 (%)
Orders of optode separation	7	Thermal effecta	0.29 (%/°C)

^aCited from our prior work.²¹