Fig. 2

Distribution of NIR light under the ICS. a Emittance peak of the NIR LEDs (940 nm). b Light levels under the rig (420 mm beneath the NIR LED frame) in a total area of approximately 340 × 240 mm
Distribution of NIR light under the ICS. a Emittance peak of the NIR LEDs (940 nm). b Light levels under the rig (420 mm beneath the NIR LED frame) in a total area of approximately 340 × 240 mm