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Metrology System for Waveguide Display, Hologram and Grating Using Polarization Imaging
The invention is a method and design of a metrology system that is used to characterize polarization volume hologram (PVH), surface relief grating (SRG), and volume Bragg grating (VBG). Polarization of optical components such as the ones mentioned above can be used as waveguides, optical filters, lenses, reflectors, refractor, beam splitters, beam combiners,...
Published: 10/3/2024
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Inventor(s): Stanley Pau
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Displays, Technology Classifications > Imaging & Optics > Lens & System Design, Technology Classifications > Imaging & Optics
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Linear, Circular, Elliptical Polarized Light Detector and Emitter Based on Sub-Wavelength Wire and Wire Grid
This invention introduces a technology for detecting and generating polarized light. The polarization state of the light can be linear, circular, or elliptical. The polarized light detector enhances image clarity by revealing hidden signals and improving the quality of both color and monochromatic images, especially in environments with low contrast...
Published: 7/30/2024
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Inventor(s): Stanley Pau
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Sensors and Detection, Technology Classifications > Imaging & Optics > Sensors and Detection > Remote Sensing, Technology Classifications > Imaging & Optics > Medical Imaging, Technology Classifications > Imaging & Optics > Microscopy, Spectroscopy, Polarimetry
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Method and Apparatus for Full Spectrum Polarization Imaging
This technology is a novel imaging method and apparatus combining full-spectrum and polarization imaging techniques. While full spectrum imaging captures the entire spectrum of light, polarization imaging measures the polarization state of light, providing valuable information about the surfaces and materials it interacts with. By this method, polarization...
Published: 7/25/2024
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Inventor(s): Stanley Pau, Rongguang Liang
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Displays, Technology Classifications > Imaging & Optics > Medical Imaging
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3D Printing of Anisotropic Material with Tunable Electric and Magnetic Field
This invention proposes a new method and print head design to manufacture complex 3D structures by using anisotropic materials. The technique consists of controlling both the shape and alignment of the anisotropic material by using applied electric and/or magnetic fields. With this method an object can be created layer by layer with different materials...
Published: 11/9/2023
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Inventor(s): Stanley Pau
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Engineering & Physical Sciences > Industrial & Manufacturing
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Method and Apparatus for Snapshot 3D Imaging of Mechanical Structure at Resonance Frequency
This invention is a method and apparatus that can measure the mechanical resonance and mode shape of a mechanical structure. The apparatus can provide important information regarding the structure of an object under different loading and operating conditions. This can help designers and engineers to create a robust mechanical design, to verify the results...
Published: 8/26/2024
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Inventor(s): Stanley Pau
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Sensors and Detection, Technology Classifications > Engineering & Physical Sciences > Industrial & Manufacturing, Technology Classifications > Engineering & Physical Sciences
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Method and Apparatus for Splitting and Combining Light and Particle Beam using Moving Mirror
This innovation describes display instrument, interferometer and multi-spectral and polarization camera designs that utilize a beam splitter in a division of time configuration. This invention also includes a novel beam splitter device that splits an incoming light beam into multiple beams and different directions. The beam splitter device also operates...
Published: 4/24/2024
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Inventor(s): Stanley Pau
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Lens & System Design, Technology Classifications > Imaging & Optics > Lasers & Other Sources
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Random Multi-Spectral and Polarization Structured Light Illumination for 3D Imaging
This invention is a method to improve accuracy and acquisition time of three-dimensional (3D) imaging systems by using illumination patterns with different spectrum and polarization states and simultaneously measuring the reflected patterns that can distinguish light of different spectrum and polarization states. Unlike existing techniques that utilize...
Published: 8/26/2024
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Inventor(s): Stanley Pau, Rongguang Liang
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Medical Imaging, Technology Classifications > Imaging & Optics > Sensors and Detection > Inspection, Technology Classifications > Life Sciences > Diagnostics
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Method and System for Optical Transmission and Crosstalk Reduction in LIDAR using Polarized Light
This invention has been developed to enhance encoding methods for information transmission and to reduce crosstalk in LiDAR applications by utilizing polarized light. Instead of using binary encoding methods such as frequency resolved optical gating and on-off keying, this invention encodes vital information into the polarization state of the light...
Published: 4/24/2024
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Inventor(s): Stanley Pau
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Microscopy, Spectroscopy, Polarimetry, Technology Classifications > Engineering & Physical Sciences > Communications & Networking
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Polarization Compensation for Corner Cube Reflector
Existing corner cube reflectors introduce unwanted polarization change to incident light. This invention provides a solution to remove this polarization change and thereby reduces polarization dependent loss and improves the performance of the reflector. This solution can be applied to both mirror-based and prism-based corner cube reflectors. This invention...
Published: 6/6/2023
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Inventor(s): Sawyer Miller, Russell Chipman, Stanley Pau
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Lens & System Design
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Method to Reduce Polarization Aberration in Metal Mirror and Metal Mirror Device
This invention removes the diattenuation and retardance of a metal coated mirror using an additional uniaxial birefringent coating and anti-reflection coating. The method can additionally improve the angular response of any metal coated mirror by reducing the variation of the polarization aberration with angle. The invention includes coating designs,...
Published: 1/31/2024
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Inventor(s): Stanley Pau, Sawyer Miller, Linan Jiang
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Materials & Fabrication, Technology Classifications > Imaging & Optics > Microscopy, Spectroscopy, Polarimetry
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