Photonics advance could enable compact, high-performance lidar sensors

Lidar systems use pulses of infrared light to measure distance and map a 3D scene with high resolution, allowing autonomous vehicles to rapidly react to obstacles that appear in their path. But ...
IEEE

Synergistic Enhancement of Acoustic Response in Phased Array Ultrasonic Transducers Utilizing Alternating Current Poling and Acoustic Reflection Layers

Abstract: The relationship between the bandwidth (BW) and sensitivity of ultrasonic transducers (UTs) is characterized by a mutually restrictive nature. Consequently, the collaborative enhancement of ...
IEEE

Optimal Beamforming for Optical Wireless Integrated Sensing and Communication Based on Optical Phased Array

Abstract: Optical wireless integrated sensing and communication (OW-ISAC) is emerging as a crucial technology to complement and augment its radio-frequency counterpart. In this paper, we propose an ...
NPR

Science

May 9, 2026 • Brian Fennessy, new head of the U.S. Wildland Fire Service, says his agency is 'trying to bring on additional aircraft and bring them on early,' and dismisses criticism of prevention ...