Abstract 3D printing belongs to the emerging technologies of our time. Describing diverse
specific techniques, 3D printing enables rapid production of individual objects and creating …

Freeform optics enable irregular system geometries and high optical performance by
leveraging rotational variance. To this point, for both imaging and illumination, freeform …

Three-dimensional (3D) microstructures used in the formation of optical traps on the optical
axis in the near diffraction zone are calculated and studied. Subwavelength, variable-height …

Chromatic aberrations are a primary limiting factor in thin, high-quality imaging systems.
Recent advances in nanoscale manufacturing, however, have enabled the creation of …

New moldable, infrared (IR) transmitting glasses and diffusion-based gradient index (GRIN)
optical glasses enable simultaneous imaging across multiple wavebands including short …

Recent advancements in additive manufacturing have enabled new methods of fabricating
gradient-index (GRIN) optics by blending multiple materials in the deposition process. A …

Generating a prescribed irradiance distribution given a source distribution is an inverse
problem that sits at the heart of illumination design. The growing prevalence of freeform …

Conventional optical designs with gradient index (GRIN) use rotationally-invariant GRIN
profiles described by polynomials with no orthogonality. These GRIN profiles have limited …

Inkjet-print additive manufactured freeform gradient refractive index representations of an
Alvarez-Lohmann lens were developed and optimized for use in vision-correction inserts for …

The annular folded lens (AFL) is a design form offering large aperture, high-resolution
imaging in a very axially compact package. The folded optic can be made monolithic for …