To meet the growing demand for photonic integration and device miniaturization, planar
diffractive Fresnel zone plates (FZPs) are widely applied in integrated optical systems …

Herein, we report a novel optical glass material, fluoroaluminate (AlF3) glass, with excellent
optical transmittance from ultraviolet to infrared wavelength ranges, which provides more …

With the rapid development of micro-optical applications, there is an increasing demand for
micro-optical elements that can be made with minimal processing steps. Current research …

In this research, amplitude Fresnel zone plates (FZPs) were fabricated on fused silica glass
with femtosecond laser. The focusing characteristics including focal length, diffraction …

Herein, a simple method is proposed that realizes the dual‐wavelength focusing of second‐
harmonic (SH) and fundamental frequency (FF) through amplitude‐type nonlinear Fresnel …

Photon sieves, a collection of randomly positioned apertures, focus electromagnetic
radiation diffractively and find applications in x-ray optics to astronomy to bio-medical …

A New Method for Micro Fresnel Zone Plates Lens Design and Low-cost Fabrication by
Laser Direct Writing Page 1 A New Method for Micro Fresnel Zone Plates Lens Design and …

Ultrashort laser machining offers distinct advantages over conventional patterning
techniques due to non-requirement of chemicals for fabrications. In this study the patterning …

With a penchant for integrated photonics and miniaturization, the fabrication of micron sized
optical elements using precision laser pulse management is drawing attention due to the …