Is your ultra-high-definition television really worth it? Do you need a 4K or an 8K screen to get the best viewing experience ...

Discover how to accurately calculate beta in Excel, understand its importance in finance, and ensure consistency by choosing the correct time periods for data analysis.

Abstract: We demonstrate a surrounding refractive index (SRI) sensor based on helical long-period fiber grating inscribed in Y-shaped triangular core fiber. The maximum SRI sensitivity is −9026 nm/RIU ...