Weitao Zheng

Optical system generating bottle beam with adjustable sizes

Combined cone lens for generating long-distance diffraction-free Bessel beam

Novel cone lens generating single bottle beam

Device for generating long-distance approximately non-diffraction light beam

Device for generating long-distance approximate diffraction-free light beam

Novel axial pyramid capable of producing single bottle beam

Novel axicon capable of generating single bottle beam

Combined axicon for generating long-distance non-diffracting Bessel light beam

Novel taper lens for generating periodic bottle beams

Novel cone lens for generating Bottle beams with periodicity