Abstract: A novel optical fiber grating sensor fabricated using femtosecond laser direct writing technology, integrating 45° and 81° tilted fiber gratings (TFGs), a chirped fiber Bragg grating (CFBG), ...

Diamonds are rare, sparkling gems made entirely of carbon. They are the hardest natural material found on Earth. Right now, ...

ICSE Class 10 Physics exam 2026 will be held on March 9. Check section-wise preparation tips, important topics, formulas, and ...

Abstract: We design and analyze a novel all-dielectric meta-surface refractive index sensor that shows a high sensing performance based on the excitation of quasi-bound states in the continuum ...