Eccentrically Connected and Dual-Enhanced Microwhistle Fiber Film Photoacoustic Spectroscopy Sensor for Trace Gas Detection. - Zhongke Zhao; Wenjun Ni; Chunyong Yang; Sixiang Ran; Chuanwen Qian; Likang Zhang; Bingze He; Ruiming Wu; Perry Ping Shum (IEEE Trans. Instrum. Meas., 2025)