We propose a low cost technique for the production of diffractive optical elements (DOE).
These elements are devoted to high power lasers beam shaping in the mid-infrared …

We present a novel use of micro-machining with excimer laser: realization of reflective
diffractive optical elements (DOE) for laser marking. The DOE's design is first calculated …

Diffractive optical elements (DOEs) provide solutions for applications that require complex
phase profiles which are difficult or impossible to make with conventional optics. Because of …

Masks for laser processing are generated by laser ablation patterning of dielectric layer
systems. The application of these masks for the rapid fabrication of diffractive optical …

Diffractive optics are compact and flexible optical elements with attractive properties that
conventional refractive or reflective surfaces cannot deliver. While their fabrication is still …

Diffractive optical elements (DOEs) tend to become severe competitors to conventional
refractive optical elements, especially for monochromatic applications as in optical …

A new method is developed to precisely control the key parameters for fabricating high
quality diffractive optical elements with any surface-relief profiles. For the case of direct laser …

Four different thin DOE pattern generation techniques used at National Optics Institute (NOI)
are discussed and compared: laser direct writing in photoresist, microlithography with e …

We describe the design and construction of a high-precision laser writing machine for the
direct generation of large-diameter rotationally symmetric diffractive optics with continuous …

Diffractive optical systems have been developed to allow high efficiency material processing
using excimer lasers. These systems allow beam homogenizing and shaping for surface …