Peculiarities of propagation of femtosecond pulses through a focusing diffractive optical element (DOE) are considered. ......

A small flying object (kite plane) was successfully driven by using the laser energy transmission technology. A demonstr......

We have proposed and developed a design method of a freeform surfaces (FFSs) based hyper-numerical-aperture deep ultravi......

We propose an integral imaging system that uses three lens arrays, including two convex lens arrays and a concave lens a......