3 papers
physics.optics2025
High-precision laser spectrum analyzer via digital decoherence
Zhongwang Pang, Chunyi Li, Hongfei Dai +5
With the continuous advancement of laser technology, accurately evaluating the noise spectrum of high-performance lasers has become increasingly challenging. In this work, we demon…
astro-ph.IM2025
Hybrid Fiber-Based Radio Frequency Distribution and Vibration Detection System Tailored for Large Radio Arrays
Hongfei Dai, Wenlin Li, Zhongwang Pang +4
Radio telescope arrays, such as Square Kilometre Array (SKA) and next-generation Very Large Array (ngVLA), require highly precise synchronization of time-frequency references to en…
physics.ins-det2023
An underground fiber cable discrimination method based on laser interferometer
Dongqi Song, Guan Wang, Zhongwang Pang +1
The maintenance and repair of optical fiber networks often requires the discrimination of underground cables among a group of buried ones. Presently, the methods commonly used are…