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Dispersive Element as a Wavelength Recombiner for AVHF
This invention is a technique to compensate for the spectral dispersion of the Advanced Volume Holographic Filter (AVHF) using yet another dispersive element. This new element acts as a spectral recombiner and collimate all the different wavelengths.
Background:
The Advanced Volume Holographic Filter (AVHF) is a holographic system capable of broadband...
Published: 3/18/2024
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Inventor(s): Pierre Blanche, Pedro Alcaraz, Gregory Nero, Andrew Suzuki
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Sensors and Detection, Technology Classifications > Software & Information Technology > Signal Processing
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Phase Unwrapping Algorithm
This technology is a novel method of phase unwrapping that improves the accuracy of existing fast unwrapping techniques through revising transform coordinates.
Background:
Phase maps have a variety of uses, from medical diagnosis including magnetic resonance imaging (MRI) to interferometric surface characterization in manufacturing and synthetic aperture...
Published: 2/2/2024
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Inventor(s): Pierre Blanche, Pedro Alcaraz, Remington Ketchum
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Medical Imaging, Technology Classifications > Imaging & Optics > Microscopy, Spectroscopy, Polarimetry
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High Refractive Index Photoresin for Nano 3D Printing
This technology is a new resin for use in two-photon lithography, which offers a refractive index higher than existing commercial resins. As a result, it greatly expands the capabilities of 3D printing at a nano scale.
Background:
Technologies such as two-photon lithography are 3D printing, or additive manufacturing, techniques that use lasers to...
Published: 1/31/2024
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Inventor(s): Pierre Blanche, Remington Ketchum, Pedro Alcaraz
Keywords(s):
Category(s): Technology Classifications > Engineering & Physical Sciences > Industrial & Manufacturing, Technology Classifications > Imaging & Optics > Materials & Fabrication
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Techniques for the Rejection of Daylight to Enhance Daytime Satellite Detection
Researchers at the University of Arizona have developed a new technique that helps reject scattered daylight from the sky to enhance visibility of satellites and space debris during daylight hours. This technology can improve satellite detection and sensitivity in high background environments. The daytime tracking can be used to monitor and maintain...
Published: 6/4/2024
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Inventor(s): Pierre Blanche, Eric Pearce
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics
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Measuring the Electromagnetic Properties of Structures with Visible Light
Researchers at the University of Arizona have demonstrated a modeling system for measuring the Radar Cross Section (RCS) of structural models using visible wavelengths of light. This makes it possible to use very small scale models of very large objects, and accurately determine the RCS in a reasonable time frame.
Background:
RCS is the measure...
Published: 4/3/2023
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Inventor(s): Pierre Blanche
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Sensors and Detection > Remote Sensing
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Curved Combiner
The Curved Combiner is an improvement on flat waveguide head-up (i.e. windshields) and near to eye displays (i.e. glasses). The curved nature of the invention allows for image expansion and aesthetically pleasing hardware to be used in a diversified set of applications. The invention contains three holograms to redirect or expand the light that passes...
Published: 12/15/2023
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Inventor(s): Craig Draper, Pierre Blanche
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics
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Implementing Multiplication And Division In Optics
This invention is an all-optical approach to implementing mathematical operations on a circuit board in a computer. It uses the non-linear response to light of certain types of thin film materials in a novel approach to multiply & divide numbers in an all-optical mathematical circuit. The approach is an analogue method which implies a constant time...
Published: 4/3/2023
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Inventor(s): Masoud Babaeian, Nasser Peyghambarian, Robert Norwood, Mark Neifeld, Pierre Blanche
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Data Storage
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Amplification of the Incidence Angles of a Light Beam to Cover up to 4pi Steradians
This invention employs a means of preventing total internal reflection and allows the beam to exit the material to steer at a wider diffraction angle, increasing the incidence angle of a light beam for spatial light modulators and integrated phase arrays.
Background:
Non-mechanical beam steering requires efficient diffraction and a high angle of...
Published: 8/16/2024
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Inventor(s): Pierre Blanche
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Lens & System Design
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Method to Translate a Non-Collimated Optical Beam
University of Arizona researchers have constructed a high-speed refreshable Holographic Stereogram (HS) display that avoids the use of a conventional translation stage, allowing for a faster recording speed that supports a fast and continuous update of the HS 3D images. The system produces an image with both spatial and angular structure, preserving...
Published: 4/3/2023
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Inventor(s): Pierre Blanche
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Displays
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Diffraction Based MEMS Scanner for LIDAR Application
Researchers at the University of Arizona have developed a method of beam-steering polychromatic light by controlling the angular divergence characteristics of the beam through a pre-correction element. The result is a collimated polychromatic beam exiting the device.
Background:
Mechanical beam steering devices for LIDAR use heavy and power-hungry...
Published: 4/3/2023
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Inventor(s): Pierre Blanche, Brittany Lynn
Keywords(s):
Category(s): Technology Classifications > Imaging & Optics > Sensors and Detection > Remote Sensing, Technology Classifications > Imaging & Optics > Lens & System Design
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