Samsung Electronics Co., Ltd.

University of Massachusetts

Hyunsung Park

Seunghoon Han

Junho Lee

Seokho Yun

Sookyoung Roh

Hyeonsoo Park

Sangeun Mun

Bongyong Jang

Changgyun Shin

Amir Arbabi

Sangyun Lee

Sungmo Ahn

Seaum Kim

Kideok Bae

Choonlae Cho

Provided is a meta-optical device including a substrate, a first meta-structure layer provided on the substrate, the first meta-structure layer including a first nanostructure having a sub-wavelength shape dimension and a first peripheral material provided adjacent to the first nanostructure, a second meta-structure layer provided on the first meta-structure layer, the second meta-structure layer including a second nanostructure having the sub-wavelength shape dimension and a second peripheral material provided adjacent to the second nanostructure, and a first functional layer provided between the first meta-structure layer and the second meta-structure layer, the first functional layer including a first-first layer having an etch rate that is lower than an etch rate of the second peripheral material, and a first-second layer having a refractive index that is different from a refractive index of the first-first layer.

Meta-optical device and electronic device including the same

Provided are a lens assembly, an image apparatus including the same, and an electronic apparatus including the lens assembly. The lens assembly includes a first refractive lens, a second refractive lens, and a meta lens arranged between the second refractive lens and an image plane, wherein the first refractive lens, the second refractive lens, and the meta lens are arranged from an object side to an image side.

Lens assembly, imaging apparatus including the lens assembly, and electronic apparatus including the lens assembly

A see-through type display apparatus includes an image projector configured to output image light, a waveguide configured to receive the image light output from the image projector and transmit the image light to a user's view, and a first lens having a negative refractive power and a second lens having a positive refractive power, which are arranged on both surfaces of the waveguide. Each of the first lens and the second lens includes one or more meta lenses and is configured to operate as a lens with almost no chromatic aberration, thereby implementing a thin optical system having good image quality.

See-through type display apparatus and electronic device including the same

Provided is a meta optical device including a plurality of phase modulation regions respectively including a plurality of nanostructures and configured to modulate a phase of incident light, wherein a phase retardation profile of the plurality of phase modulation regions monotonically change with respect to light of a plurality of wavelength bands apart from each other, and wherein phase modulation ranges with respect to the light of the plurality of wavelength bands are different from each other.

Meta optical device and electronic apparatus including the same

A meta lens assembly includes a first meta lens, a second meta lens arranged on an image side of the first meta lens, and a third meta lens arranged on an image side of the second meta lens, the first meta lens, the second meta lens, and the third meta lens being arranged from an object side of the meta lens assembly to an image side of the meta lens assembly facing an image sensor.

Meta lens assembly and electronic device including the same

A meta-optical device includes a plurality of phase modulation areas configured to modulate a phase of an incident light, each of the plurality of phase modulation areas including a plurality of nanostructures having a shape and an arrangement that are determined according to a respective rule set for each of the plurality of phase modulation areas; and a compensation area located between a kphase modulation area and a (k+1)phase modulation area adjacent to each other, from among the plurality of phase modulation areas, and including a compensation structure for buffering an effective refractive index change occurring in a boundary area between the kphase modulation area and the (k+1)phase modulation area according to respective rules of the kphase modulation area and the (k+1)phase modulation area, wherein N is a number of the plurality of phase modulation areas, k and N are natural numbers, and k is equal to or greater than 1 and less than N.

A meta-lens, an imaging optics, and an electronic device including the imaging optics are provided. The meta-lens includes at least one meta-layer having a plurality of nanostructures with a less shape dimension than an operating wavelength, modulates a phase and intensity of incident light, and forms a plurality of spots of different brightness on an imaging plane in an asymmetric distribution. The plurality of spots formed on the imaging plane include a main spot and at least one sub-spot that is separated from a center of the main spot and has lower illuminance than the main spot.

Meta-lens, imaging optics, and electronic device including the same

Provided is a meta-optical device including a meta-lens including a plurality of nano-structures, a band pass filter configured to transmit light of predetermined wavelengths within an operation wavelength band of the meta-lens, and a spacer layer provided between the meta-lens and the band pass filter to support the plurality of nano-structures and to form a separation distance between the meta-lens and the band pass filter.

Meta-optical device and optical apparatus including the same

An optical hybrid lens includes a refractive lens having a curved lens surface, a metalens including at least one metasurface formed on the curved lens surface to follow the curved lens surface of the refractive lens and including a plurality of nanostructures having a shape dimension of a sub-wavelength of incident light, and an adhesive layer between the curved lens surface of the refractive lens and the metalens. The metalens includes at least one metasurface including a plurality of nanostructures having a shape dimension of a sub-wavelength of incident light.

Optical hybrid lens, method for manufacturing the same, and apparatus employing the same

A meta-lens includes a first region including a plurality of first nanostructures two-dimensionally arranged in a circumferential direction and a radial direction based on a center point and distributed according to a first rule; and a plurality of second regions surrounding the first region and including a plurality of second nanostructures two-dimensionally arranged in the circumferential direction and the radial direction based on the center point and distributed according to a second rule, wherein a section satisfying Δw×Δp>0 and a section satisfying Δw×Δp<0 coexist is formed in the first region and any one of the plurality of second regions, w denoting a width of each of the plurality of first nanostructures or the plurality of second nanostructures and p denoting an arrangement interval in the circumferential direction between the plurality of first nanostructures or the plurality of second nanostructures.

Meta-lens, image capturing lens including the meta-lens, image capturing device including the image capturing lens, and electronic apparatus including the image capturing device

Provided is a meta-optical device including a first layer including a plurality of first nanostructures and a first material disposed adjacent to the plurality of first nanostructures, a second layer disposed on the first layer, the second layer including a plurality of second nanostructures and a second material disposed adjacent to the plurality of second nanostructures, wherein the first layer and the second layer include regions in which signs of an effective refractive index change rate in a first direction are opposite to each other, and wherein the meta-optical device is configured to obtain a target phase delay profile with respect to incident light of a predetermined wavelength band.

Meta-optical device and electronic apparatus including the same

Provided is a meta-optical device exhibiting a target phase delay profile with respect to incident light of a predetermined wavelength band, the meta-optical device including: a first layer including a plurality of first nanostructures and a first surrounding material surrounding the plurality of first nanostructures, and having a first phase delay profile of a first tendency that is substantially equal to a tendency of the target phase delay profile; a second layer including a plurality of second nanostructures and a second surrounding material surrounding the plurality of second nanostructures, and having a second phase delay profile of a second tendency that is substantially opposite to the tendency of the target phase delay profile; and a third layer including a plurality of third nanostructures and a third surrounding material surrounding the plurality of third nanostructures, wherein the third layer is different from the second layer in terms of at least one of a material and an arrangement rule. The meta-optical device is capable of minimizing a primary dispersion and higher-order dispersions and thus may exhibit constant diffraction efficiency with respect to light of a wide wavelength band.

Provided is a lens assembly including a first lens having positive optical power with respect to incident light incident from an object side and having a convex surface facing the object side, and a second lens including a meta-lens having negative chromatic aberration with respect to the incident light passing through the first lens.

Lens assembly and electronic device including the same

A meta lens includes a first lens surface, and a second lens surface provided opposite to the first lens surface, wherein at least one of the first lens surface and the second lens surface is a metasurface including a plurality of nanostructures having a sub-wavelength dimension that is less than a central wavelength &#x3bb;in an operation wavelength band of the meta lens, and wherein a deflection property of the first lens surface and a deflection property of the second lens surface based on positions of incident light are opposite to each other in at least some regions of each of the first lens surface and the second lens surface.

Growing community of inventors

Suwon-si, South Korea

Hyunsung Park