公开(公告)号：US20210223104A1

公开(公告)日：2021-07-22

申请号：US16914256

申请日：2020-06-26

Applicant: Samsung Electronics Co., Ltd.

Inventor： Radwanul Hasan SIDDIQUE ,  Daniel ASSUMPCAO ,  Hyuck CHOO ,  Hyochul KIM

IPC: G01J3/28 ,  G01J3/44 ,  G01J3/02 ,  G01J3/18

Abstract: Optical spectrometers may be used to determine the spectral components of electromagnetic waves. Spectrometers may be large, bulky devices and may require waves to enter at a nearly direct angle of incidence in order to record a measurement. What is disclosed is an ultra-compact spectrometer with nanophotonic components as light dispersion technology. Nanophotonic components may contain metasurfaces and Bragg filters. Each metasurface may contain light scattering nanostructures that may be randomized to create a large input angle, and the Bragg filter may result in the light dispersion independent of the input angle. The spectrometer may be capable of handling about 200 nm bandwidth. The ultra-compact spectrometer may be able to read image data in the visible (400-600 nm) and to read spectral data in the near-infrared (700-900 nm) wavelength range. The surface area of the spectrometer may be about 1 mm2, allowing it to fit on mobile devices.

公开(公告)号：US20240175750A1

公开(公告)日：2024-05-30

申请号：US18434658

申请日：2024-02-06

Applicant: Samsung Electronics Co., Ltd.

Inventor： Radwanul Hasan SIDDIQUE ,  Daniel ASSUMPCAO ,  Hyuck CHOO ,  Hyochul KIM

IPC: G01J3/28 ,  G01J3/02 ,  G01J3/18 ,  G01J3/44

CPC classification number: G01J3/2823 ,  G01J3/0208 ,  G01J3/0229 ,  G01J3/18 ,  G01J3/4412

Abstract: Optical spectrometers may be used to determine the spectral components of electromagnetic waves. Spectrometers may be large, bulky devices and may require waves to enter at a nearly direct angle of incidence in order to record a measurement. What is disclosed is an ultra-compact spectrometer with nanophotonic components as light dispersion technology. Nanophotonic components may contain metasurfaces and Bragg filters. Each metasurface may contain light scattering nanostructures that may be randomized to create a large input angle, and the Bragg filter may result in the light dispersion independent of the input angle. The spectrometer may be capable of handling about 200 nm bandwidth. The ultra-compact spectrometer may be able to read image data in the visible (400-600 nm) and to read spectral data in the near-infrared (700-900 nm) wavelength range. The surface area of the spectrometer may be about 1 mm2, allowing it to fit on mobile devices.

公开(公告)号：US20230099112A1

公开(公告)日：2023-03-30

申请号：US17989605

申请日：2022-11-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Radwanul Hasan SIDDIQUE ,  Daniel ASSUMPCAO ,  Hyuck CHOO ,  Hyochul KIM

IPC: G01J3/28 ,  G01J3/44 ,  G01J3/02 ,  G01J3/18

Abstract: Optical spectrometers may be used to determine the spectral components of electromagnetic waves. Spectrometers may be large, bulky devices and may require waves to enter at a nearly direct angle of incidence in order to record a measurement. What is disclosed is an ultra-compact spectrometer with nanophotonic components as light dispersion technology. Nanophotonic components may contain metasurfaces and Bragg filters. Each metasurface may contain light scattering nanostructures that may be randomized to create a large input angle, and the Bragg filter may result in the light dispersion independent of the input angle. The spectrometer may be capable of handling about 200 nm bandwidth. The ultra-compact spectrometer may be able to read image data in the visible (400-600 nm) and to read spectral data in the near-infrared (700-900 nm) wavelength range. The surface area of the spectrometer may be about 1 mm2, allowing it to fit on mobile devices.