3 papers
physics.optics2026
Passive Incoherent Ultrafast Mid-Infrared Upconversion Imaging and Its Calibration
Jin-Peng Li, Zhi-You Li, Zhao-Qi-Zhi Han +7
Ultrafast mid-infrared (MIR) imaging is a key enabling capability for monitoring transient thermal and plasma phenomena in scientific diagnostics and industrial safety. However, co…
physics.optics2025
Short-wave infrared broadband up-conversion imaging by using a noncritical phase matched bulk KTiOPO crystal
Xiaohua Wang, Zhaoqizhi Han, Zhenghe Zhou +6
Compared to cryogenically cooled conventional detectors, up-conversion detection enables efficient room-temperature short-wave infrared (SWIR) imaging. Although quasi-phase-matchin…
physics.optics2025
High resolution up-conversion imaging in the 10 μm band under incoherent illumination
Zhao-Qi-Zhi Han, Xiao-Hua Wang, Jin-Peng Li +6
Long-wavelength infrared band exhibits significant utility in thermal signature acquisition and molecular spectral analysis, among other applications. The up-conversion detection t…