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Optical Scanning Multi-FOM Metrology for AR Waveguide Display
The invention is a reverse-path optical scanning metrology method that replaces mechanical scanning at the eye box plane via programmable light source in color, pattern, state of polarization, direction of light, and placing a static (non-moving) detection optics at the input pupil plane. Instead of illuminating the in-coupler and physically moving...
Published: 8/24/2026
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Updated: 8/24/2026
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Inventor(s): Yuzuru Takashima, Chuan Luo
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Displays, Technology Classifications > Imaging & Optics > Lens & System Design, Technology Classifications > Imaging & Optics > Optical Fab / Metrology
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Flat and Low Profile Beam and Image Steering Device
This invention describes a method of flat beam steering optical architecture without bulk optics using MEMS-based flat-beam steering technology.
Background:
Laser beam steering is relevant in many applications such as LiDAR, scanning displays, metrology, optical interconnects, optical communication, and various scientific instruments, such as optical...
Published: 8/24/2026
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Updated: 8/24/2026
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Inventor(s): Yuzuru Takashima
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Lasers & Other Sources, Technology Classifications > Imaging & Optics > Displays, Technology Classifications > Imaging & Optics > Optical Fab / Metrology, Technology Classifications > Imaging & Optics > Telecommunications
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Optical Enhancement of Phase Modulation Depth for a Phase Light Modulator
A phase light modulator (PLM) is a device that modulates phase of light in a 2-dimensional manner. This innovation is a method for optical enhancement of phase modulation to overcome the challenge of insufficient phase modulation of PLM in general, including Liquid Crystal on Silicon (LCoS), liquid crystals (LC), Micro Electro Mechanical System (MEMS)...
Published: 6/5/2025
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Updated: 6/5/2025
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Inventor(s): Yuzuru Takashima
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Lens & System Design
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MEMS Based Beam Steering with DC and Side Lobe Suppression
This technology is a system and method for a wide field of view micro-electrical mechanical (MEMS)-based beam steering device that uses spatial light modulation to suppress problematic effects like DC and side lobe diffraction in applications like LIDAR.
Background:
Laser beam steering is an indispensable feature of light detection and ranging (LIDAR)...
Published: 6/5/2025
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Updated: 6/5/2025
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Inventor(s): Yuzuru Takashima
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Sensors and Detection > Remote Sensing, Technology Classifications > Sensors & Controls > Motion & Force
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Phase Modulated Camera
This invention provides a method to image though a disruptive media, such as fog, rain, snow, and sand particles. The phase-based camera, coupled with existing cameras and sensors normally equipped on autonomous vehicles, allows for detection and viewing objects through fog, smoke, or other atmospheric obstructions. The system consists of a lens, phase...
Published: 3/6/2024
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Updated: 3/6/2024
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Inventor(s): Yuzuru Takashima
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Photonics, Technology Classifications > Imaging & Optics > Lens & System Design
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Time to Angle Sorting Camera
This invention provides a method to sort camera-captured images based on their arrival time employing short-pulsed illumination and MEMS spatial modulator. The time-to-angle sorting method works as an add-on to commercially available cameras. Primary uses would be for driver assistance and autonomous terrestrial/aerial vehicle sensing in the detection...
Published: 4/24/2024
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Updated: 8/1/2023
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Inventor(s): Yuzuru Takashima
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Sensors and Detection > Remote Sensing, Technology Classifications > Imaging & Optics > Lens & System Design
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Flash Lidar with FOV Expansion
This technology is a method of capturing high-resolution images in laser, imaging, detection and ranging (LIDAR) with a 10x increase in field of view using Digital Micromirror Devices (DMDs) and 2D array detectors such as Multi-Pixel Photon Counters (MPPC). It utilizes the receiver field of view expansion technique, which was achieved by diffractively...
Published: 1/30/2024
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Updated: 5/2/2023
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Inventor(s): Yuzuru Takashima, Jeff Ching-Wen Chan, Xianyue Deng
Keywords(s):
Category(s): Technology Classifications, Technology Classifications > Imaging & Optics > Lasers & Other Sources
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Real Time CGH Calculation and Beam Tracking
This technology is a new method of steering laser beams in LiDAR systems. Based upon live camera information, it creates a computer generated hologram (CGH) used to focus the LiDAR scans on specific areas of interest, improving real-time detection and tracking of important objects in the field of view.
Background:
Light Detection and Ranging, or LiDAR,...
Published: 4/3/2023
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Updated: 7/19/2022
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Inventor(s): Yuzuru Takashima, Chin-I Tang, Xianyue Deng
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Sensors and Detection, Technology Classifications > Imaging & Optics > Sensors and Detection > Remote Sensing, Technology Classifications > Imaging & Optics > Lasers & Other Sources
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MEMS-Based Hybrid Beam Steering for LIDAR
This technology is a LiDAR (light detection and ranging) beam steering system designed to increase scanning range while keeping quality resolution using a microelectromechanically (MEMS) controlled mirror. This allows a single focused beam to be reflected over multiple angles, greatly increasing the possible scanning range. The mirror is specially designed...
Published: 6/15/2026
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Updated: 7/14/2022
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Inventor(s): Yuzuru Takashima, Brandon Hellman, Joshua Rodriguez, Young Kim
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Sensors and Detection
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Pseudo Phase Conjugate Image Transfer Device for Head Worn Display
Researchers at the University of Arizona have applied a novel pseudo-phase conjugate technique to the design of a ghost-free and nearly aberration-free head up display. The Pseudo-phase conjugate Head-up Display (PHD) optical engine enables image transfer in an ultra-thin form factor with transparent devices which can be buried inside prescription glasses...
Published: 4/3/2023
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Updated: 7/14/2022
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Inventor(s): Yuzuru Takashima, Alex Erstad
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Displays, Technology Classifications > Imaging & Optics > Lens & System Design
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