3 papers
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
Super-resolution measurement of thermo-optic coefficient of KTP crystal based on phase amplification
Wuzhen Li, Zhiyuan Zhou, Guangcan Guo +1
Given that the phase amplification method based on harmonic generation exhibits significant phase super-resolution capability in interferometric precision measurement, extending th…
physics.optics2025
Creating multi-beam interference from two-beam interference with assistant of harmonics generation
Wuzhen Li, Zhiyuan Zhou, Li Chen +3
Linear optics-based multi-beam interference (MBI), like the Fabry-Perot interferometer, plays an important role in precision optical metrology applications such as laser stabilizat…