Parallel and decoupled manipulation of helico-conical vortex beams using a dual-channel radially-coupled-spiral phase-shift zone plate

Key Points

• Manipulation of helico-conical vortex beams enhances optical performance, offering new possibilities in photonics.
• Key evidence includes a significant modification in beam shape and intensity distribution under different phase shifts.
• Analysis conducted using a dual-channel radially-coupled-spiral phase-shift zone plate for precise optical control.
• Implications suggest improved techniques for optical manipulation with practical applications in imaging and communication.