Scientists detect chirping cosmic waves in an unexpected part of space
NEW YORK — Scientists have detected cosmic waves that sound like birds chirping in an unexpected place. These bursts of plasma, called chorus waves, ripple at the same frequency as human hearing. When ...
IEEE28d
Improving the Beam Quality in a High-Power Femtosecond All-Fiber System
Abstract: In this letter, we present beam quality improvement in a 50-W-class nonlinear chirped pulse amplification (NCPA) femtosecond all-fiber system. By exploring the group delay dispersion ...