Hybrid optical elements, which are diffraction pattern arrays fabricated on curved refractive
optical elements, have the ability to widen the field of view angle, and improve optical …

To make the real-time focusing possible in the exposure process, diffractive microlens arrays
with continuous relief are designed and fabricated using harmonic diffraction theory for …

Hybrid optical elements, which combine refractive and diffractive optical components to
enhance optical performance by taking advantage of the optical characteristics of the …

An off-axis zone plate is able to focus on a single order while neglecting the zeroth order in a
visible imaging system. This allows one to enhance the contrast quality in diffractive images …

This article reports the diffractive optical elements of rotational offset microlens arrays for
generating highly efficient structured light patterns in active stereoscopic 3D imaging. The …

Recently, aspheric lenses have been developed to correct various aberrations and to
produce optical elements with various functions. In particular, efforts have focused on …

To improve the performance of infrared focal plane arrays, multi-phase-level 256× 256
element diffractive microlens arrays with a center wavelength of 4 µm are designed using a …

Diffractive microlens arrays with continuous relief are designed, fabricated, and
characterized by using Fermat's principle to create an array of spots on the photoresist …

To realize unobscured, compact structure and maintain loose tolerance, a novel method
based on flat-field relay mirror for designing the ground-based diffractive telescope is …

Blazed reflection diffractive microlenses potentially have many uses. The fabrication
accuracy and the optical characteristics of these microlenses can be greatly improved …