Morning Overview on MSN

Why some US Navy ships have giant white domes on top?

The Military Sealift Command’s Sea-Based X-Band Radar vessel, known as SBX-1, recently received a new inflatable radome after two decades of continuous service, marking the first time the original ...
AZoQuantum

RIKEN Unlocks High-Gain, Ultra-Low-Noise Quantum Sensing

Researchers at RIKEN have demonstrated experimentally that a microwave photonic circuit device known as a Josephson traveling-wave parametric amplifier (JTWPA) can achieve the low-noise, high-gain ...
C&EN

Dual-Mode Multi-Microphone Enhanced Photoacoustic Gas Sensing System Using a Waveguide Ring Array

State Key Laboratory of Mechanics and Control for Aerospace Structures, Nanjing University of Aeronautics and Astronautics, No. 29 Yudao Street, Nanjing 210016, China ...
IEEE

Multipeak Wavelength Detection of Ultra-Short Fiber Bragg Grating Array Based on Arrayed Waveguide Gratings and Convex Optimization Algorithm

Abstract: Ultra-short fiber Bragg gratings (US-FBGs), due to their compact structure and high spatial resolution, have significant application potential in the field of high-density multiparameter ...
IEEE

Large Bandwidth Fluorescence Spectrum in Situ Sensing Chip Based on Antisymmetric AWG Design

Abstract: An on-chip spectrometer with 160nm bandwidth, 10nm interval, and $0.4\text{mm}^{*}0.5 \text{mm}$ area was fabricated by designing an anti symmetric AWG (Array Waveguide Grating) structure on ...
C&EN

Ultracompact and Highly Sensitive Atomic Magnetometer Array via a Polarization Volume Grating-Based Waveguide Structure

Key Laboratory of Ultra-Weak Magnetic Field Measurement Technology, Ministry of Education School of Instrumentation and Optoelectronic Engineering, Beihang University, Beijing, 100191, China Institute ...