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26 April 2024 |
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Article overview
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Non-line-of-sight imaging with picosecond temporal resolution | | Bin Wang
; Ming-Yang Zheng
; Jin-Jian Han
; Xin Huang
; Xiu-Ping Xie
; Feihu Xu
; Qiang Zhang
; Jian-Wei Pan
; | | Date: |
30 Jun 2021 | | Abstract: | Non-line-of-sight (NLOS) imaging enables monitoring around corners and is
promising for diverse applications. The resolution of transient NLOS imaging is
limited to a centimeter scale, mainly by the temporal resolution of the
detectors. Here, we construct an up-conversion single-photon detector with a
high temporal resolution of ~1.4 ps and a low noise count rate of 5 counts per
second (cps). Notably, the detector operates at room temperature, near-infrared
wavelength. Using this detector, we demonstrate high-resolution and low-noise
NLOS imaging. Our system can provide a 180 {mu}m axial resolution and a 2 mm
lateral resolution, which is more than one order of magnitude better than that
in previous experiments. These results open avenues for high-resolution NLOS
imaging techniques in relevant applications. | | Source: | arXiv, 2106.15798 | | Services: | Forum | Review | PDF | Favorites | |
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