Fig. 1From: High spatial resolution identification of hematoma in inhomogeneous head phantom using broadband fNIR systemConceptual representation of a high spatial resolution system fNIR optical imaging: a broadband frequency modulated multi-wavelength fNIR system using insertion loss (IL) and insertion phase (IP) measurements, and b photon migration from optical transmitter (Tx) to various optical receiver (Rx) through a human head at various modulation frequenciesBack to article page