A self-starting, passively mode-locked all-fibre ring laser based on the homemade Er3+/Yb3+ codoped phosphate glass fibre is reported.Dual-pump sources were use
The scattering problem of alpha-stable non-Gaussian distributed rough surfaces is studied. The alpha-stable non-Gaussian distribution is used to describe the su
The Beijing Electron and Positron Collider H (BEPCⅡ) is a double ring electron-positron collider, which can also be used as a synchrotron radiation (SR) light