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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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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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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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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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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: 4/3/2023
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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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DMD-Based Optical Scanning Device
Researchers at the University of Arizona have created a wide field-of-view optical device using a Digital Micromirror Device (DMD) as a scanner. The low-cost, fast-scanning device leverages off-the-shelf optical components to create a novel optical design, which employs tilted mirrors and retro-reflectors to extend the field of view (FOV) while providing...
Published: 4/3/2023
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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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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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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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ASLM Multi-Display
This technology is a new method that illuminates digital micromirror device (DMD) with focusing, homogenous illumination with cone angle/numerical aperture/F-number configured to prevent contaminated light to enter incorrect pupils. The technology has one input pupil and multiple diffraction order pupils that produce a multi-display from just one projector.
Background:
Digital...
Published: 4/3/2023
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Inventor(s): Yuzuru Takashima, Brandon Hellman
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Displays
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Optical Compensation of Mechanical Effects for Holographic Digital Data Storage System
University of Arizona researchers have invented a Holographic Digital Data Storage System (HDSS) that employs optical components to compensate for mechanical instability. This invention calculates errors introduced during the recording process, then compensates for those errors during the reading process.
Background:
Holographic Data Storage Systems...
Published: 4/3/2023
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Inventor(s): Yuzuru Takashima, Kenichi Shimada
Keywords(s): high density recording, holographic data storage, optical compensation, signal to noise ratio, vibration
Category(s): Technology Classifications > Imaging & Optics > Data Storage, Technology Classifications > Imaging & Optics
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Wavelength Diversity Detection for Holographic Data Storage System
The technology is a method to reduce noise in third generation technology optical discs that record up to 8TB of information. A technique responsible for the increase in the signal-to-noise ratio uses a wide spectrum laser to sense noise and respond in a way that enhances the signal.
Background:
Optical discs can only hold so much information before...
Published: 4/3/2023
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Inventor(s): Yuzuru Takashima, Yusuke Nakamura
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Data Storage, Technology Classifications > Imaging & Optics > Lasers & Other Sources, Technology Classifications > Imaging & Optics > Sensors and Detection
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