Figure 10
From: High-resolution imaging enabled by 100-kW-peak-power parametric source at 5.7 THz
(a) SNR image of the leaf at 5.7 THz. Owing to the high material absorption, the leaf edge has relatively good contrast in the image. (b) SNR image of the leaf at 2 THz. Although the 2-THz source has a lower peak power, the best SNR in the image pixel is almost 20 dB.
