Available Technologies (through the UA Office of Technology Transfer)

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Novel Polymers for Mid-and Long-Wave Infrared Imaging

Wed, 2018-10-03 17:42
ua19-032 - Title: Novel Polymers for Mid- and Long-Wave Infrared Imaging   Invention:  New polymer compositions that are transmissive for mid-wave infrared (3-5 microns) and long-wave infrared (8-12 microns) sensing and imaging.   Background: Infrared imaging conventionally uses expensive inorganic transmissive materials for lenses, such as chalcogenide glass and amorphous germanium, which require cutting and polishing.  This inventive polymer-based transmissive medium can be formed using scalable, inexpensive polymer production processes.   Applications: • LiDAR • Electronics • Optics   Advantages: • Inexpensive • Useful for mid- or long-wave IR applications Licensing Manager: Laura Silva LauraS@tla.arizona.edu 520-626-1557

A Photorefractive, High Refractive Optical Polymers From Styrenic Sulfide Monomers

Mon, 2018-09-17 17:41
ua17-144 - Title: A photo-definable high refractive index optical polymer from styrenic sulfide monomers   Invention: This is a novel method to create optical polymer with regions of high and low refractive index.   Background: The inventors were motivated by large technological motivation for optical polymers that are low-cost and have variable refractive index, especially in telecommunication. They have demonstrated the synthesis of a new compound, a new type of polymer, which can be used on the fabrication of new optical devices.    Applications: •       Novel way to make new polymers that can have variable refractive index •       Create new optical devices Advantages: •       High refractive index •       Refractive index is tunable during the polymerization process   Licensing Manager:  Laura Silva LauraS@tla.arizona.edu 520-626-1557    

Technique for Replication of Volume Holographic Optical Elements

Thu, 2018-09-06 17:45
ua18-195 - Title: Technique for Replication of Volume Holographic Optical Elements   Invention: Researchers at the University of Arizona (UA) have developed a method to replicate HOEs in a manner that eliminates the problems with contact copy techniques, and introduces additional functionalities not possible to achieve with those techniques. The UA’s novel process replicates volume holographic optical elements (HOEs) based on optical contact with the master HOE. Unlike common industry variants, no physical contact is required between the master HOE and the copy HOE.   Background: Hologram replication is an important topic when considering mass-production of volume holographic optical elements (HOEs) of all shapes and sizes. The current standard is the replication technique known as contact copy, which involves making direct contact with the copy HOE is order to create the master HOE. Contact copy and variant methods face issues with the fabrication process, complexity of design, speed of systems and sensitivity problems due to mechanical vibration.   Applications:   Advantages:   Licensing Manager: Amy Phillips AmyP@tla.arizona.edu Refer to case number UA18-195

Hybrid Mod-Enmat Lens

Tue, 2018-09-04 17:41
ua18-223 - Title: Hybrid MOD-Enmat Lens   Invention: Researchers at the University of Arizona have designed an optical device comprising a MOD-DFL and an achromatizing compensation mechanism that reduces refractive dispersion created by the MOD-DFL, thereby reducing the focal range of the MOD-DFL.  A method is also provided of using the optical device in an image processing system to obtain images of an object and processing the images to perform image enhancement.   Background:  A multiple-order diffractive Fresnel lens (MOD-DFL) operates over a set of higher diffracted orders where each order contains a wavelength of peak diffraction efficiency and each of these wavelengths come to a common focus.  For a singlet design, refractive dispersion quickly becomes an undesirable characteristic of the MOD-DFL over large wavelength bandwidths, increasing the focal range across the bandwidth. In practice, this increase in focal range is detrimental to most imaging systems.  It is caused by refractive dispersion from the MOD-DFL lens material.  A need exists for a MOD-DFL having reduced refractive dispersion, and consequently, a reduced focal range.      Advantages: * Reduces focal dispersion * Allows for large aperture, light weight lenses   Applications: * Ground-based telescopes * Space-based telescopes * Spectrometers   Contact:  Amy Phillips amyp@tla.arizona.edu Refer to case number UA18-223

Radial Streaking Artifact Reduction Using Phased Array Beamforming

Wed, 2018-08-29 17:41
ua18-220 - Title: Radial Streaking Artifact Reduction Using Phased Array Beamforming   Invention: This invention is a method and software for mitigating the streaking artifact in radial magnetic resonance imaging (MRI). After being tested on MRI scanners and compared to current coil based methods, this new method, known as B-STAR, utilizes phased array beamforming and reduces streak artifacts without any noticeable loss in signal levels.   Background: When taking images of large areas of the human body, like the abdomen, obstruction will occur in a streaking artifact. This streaking artifact makes the image difficult to read and significantly lowers the quality, which can result in an incorrect diagnosis, inevitably slowing down the treatment and healing process for a patient. Therefore there is a need for a strategy that can mitigate the streaking artifacts in MRI.   Applications:   Advantages:   Licensing Manager: Bob Sleeper RobertS@tla.arizona.edu (520) 626-4604

Optical Printed Circuit Board With Polymer Array Switch

Wed, 2018-08-15 17:46
ua16-203 - Title: Optical Printed Circuit Board with Polymer Array Switch   Invention: Researchers at the University of Arizona have developed a flexible polymer waveguide array structure that serves as a stitch or jumper on an optical printed circuit board (OPCB). The flexible polymer waveguide array structure can be attached to the OPCB so that it can provide a chip-to-OPCB optical connection. Using an array of small polymer waveguides stitched together onto one circuit board, it provides a solution to the losses and manufacturing difficulties of conventional polymer waveguides, efficiently coupling to individual optical devices, such as silicon photonic chips, and propagating light over distances ranging up to tens of centimeters.   Background: Polymer waveguides are useful for making connections among optical devices at short distances (1mm-10mm). However, at long distances (greater than 10mm), current polymer waveguides experience a number of disadvantages including long exposure times, higher losses, and difficult manufacturing options to reduce losses. The technology presented here solves these issues.   Applications:   Advantages:   Contact:  Amy Phillips AmyP@tla.arizona.edu refer to case number UA16-203

Inexpensive External Cavity Diode Laser

Sat, 2018-07-21 17:40
ua18-247 - Title:  Inexpensive External Cavity Diode Laser   Invention:  Researchers at the University of Arizona have developed an inexpensive and compact platform for robust compact laser sources.  The novel laser platform provides continuous-wave (CW) and single-frequency operation with efficient further frequency agility using external cavities.  The lasers are inexpensive to make and perform the same functions with the same characteristics as much more expensive lasers.   Background:  Although trapped ions systems represent one of the very promising avenues for scalable quantum systems technology and have demonstrated high-fidelity multi-qubit operations, the laser systems used in this application can occupy a significant fraction of the researchers' time, attention, and resources in dealing with beam misalignment, power instabilities, and frequency locking/re-locking.  With growing commercial interest in quantum technology, there is a compelling need and demand for robust compact laser sources to enable scalability.   Advantages: * easy to fabricate * inexpensive and compact * single frequency operation   Applications: *  consumer electronics *  atomic and molecular spectroscopy *  quantum communications   Contact:  Amy Phillips amyp@tla.arizona.edu Refer to case number UA18-247  

Polarization State Scrambler Using Birefringent Phase Mask

Sat, 2018-07-21 17:40
ua19-001 - Title:  Polarization State Scrambler   Invention:  A University of Arizona researcher has designed a device to efficiently convert partially polarized and polarized light into unpolarized light.  The passive device provides almost instantaneous conversion of polarization, as opposed to the current methods which use a modulator that requires a signal generator and drive electronics. The novel device will be very useful for telecom, imaging, and illumination.   Background:  In fiber optic communication systems, light signals are highly sensitive to polarization impairments such as polarization mode dispersion and polarization dependent loss. Lithium Niobate (LiNbO3) scramblers, which operate as a tunable waveplate that modulates the polarization state of light, are often utilized to mitigate some of the problems by converting a fixed incoming polarized light into random or pseudo-random polarized light at different times. In telecommunications, the scrambling rate should be faster than the inverse gain recovery time of the fiber amplifier. The scrambler should have low cost, low wavelength and temperature sensitivity and long lifetime.   Advantages: *  passive - no power required *  nearly instantaneous conversion of polarization *  easy to reproduce in high volumes   Applications: *  telecommunications *  imaging *  illumination   Contact:  Amy Phillips amyp@tla.arizona.edu Refer to case number UA19-001

High Speed Raytracing Method

Sat, 2018-07-21 17:40
ua18-196 - Title:  High Speed Raytracing Method   Invention:  University of Arizona researchers have developed methods and associated devices and systems that greatly reduce the computational operations of a ray tracing system by modifying the representations of the optical surfaces and contours in the optical system based on the illumination source.  Using the novel method, more than 800 iterations were completed in less than 6 seconds.  In comparison, commercial software programs took around 2.22 hours on high precision settings with a single CPU core to complete the same computation.   Background:  Ray tracing techniques used to design optical systems compute the paths of optical rays as they propagate through the system with regions of varying propagation velocity, absorption characteristics, and reflecting surfaces.  Typically, many rays (e.g., hundreds, thousands, or up to billions) are traced through the system making the ray tracing operations computationally expensive.   Advantages: *  Over 1000 times faster than conventional ray-tracing software *  Can be implemented in digital electronic circuitry, computer software, firmware, or hardware   Applications: *  Optical design   Contact:  Amy Phillips amyp@tla.arizona.edu Refer to case number UA18-196  

Implementing Multiplication and Division in Optics

Wed, 2018-07-11 17:42
ua18-191 - Title:  Implementing Multiplication And Division In Optics   Invention:  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 for mathematical operation and will not increase as the problem size increases in scale   Background:  One of the major challenges in electronic computation is the optimization problem occurring in a large data set where each variable depends on or has influence on other variables. Probabilistic graphical models (PGMs) are tools that are used to compute probability distributions over large and complex interacting variables.  Electronic central processing units (CPUs) are not the best tools to address these problems because of  heat generation and bandwidth limitations of electronic devices as they get smaller and faster.   Advantages: * no heat generation * extremely fast * does not slow down as the problem size increases   Applications: * mathematical circuits handling large data sets * probabilistic graphical models (PGMs)   Contact:  Amy Phillips amyp@tla.arizona.edu Refer to case number UA18-191

Methods for Simple in Vivo Microscopic Imaging Devices

Wed, 2018-07-11 17:41
ua18-188 - Title:  Methods For Simple In Vivo Microscopic Imaging Devices   Invention:  University of Arizona researchers have designed a novel confocal microscope that does not use any detection apertures or slits for confocal optical sectioning, providing a simple and small microscope at low cost.  The aperture-less confocal microscope can be configured for oblique tissue imaging, as a module inside a smartphone, or for low-cost confocal endomicroscopy.    Background:  In conventional confocal microscopy devices, a point beam is scanned by beam scanning devices such as galvo scanners and polygon mirrors to obtain two-dimensional confocal images. This has been improved with designs for a scan-less confocal microscope that illuminates a line beam through a diffraction grating to obtain two dimensional confocal images without having to use any beam scanning devices.  However, the scan-less confocal needs precision alignment of the detection slit, which requires use of precision translation stages and high-quality lenses around it. These additionally components have been hampering further reduction of the device cost and size.   Applications: *  dermatology *  endoscopy *  fingerprint imaging Advantages: *  no scanning required *  easy alignment and assembly *  low cost *  can be miniaturized   Contact:  Amy Phillips amyp@tla.arizona.edu Refer to case number UA18-188    

Rotationally Shift Invariant and Multi-Layered Microlens Array

Wed, 2018-07-11 17:41
ua18-192 - Title: Rotationally Shift Invariant and Multi-Layered Microlens Array   Invention: This invention describes a nontraditional use of the Gabor Superlens and is a configuration of multiple microlens array structures.  The rotationally shift invariant and multiple microlens array system provides  full-field of view imaging wherein all of the incoming light (i.e., light from all directions), in a solid angle of 4pi steradians, is focused inside the optics.   Background: LiDAR and other sensing technologies have need for the collection of light reflected from a scene in full 4Pi steradians with one optical system, but achieving such systems has remained challenging. It has traditionally been considered impossible because it was believed that detectors must be placed outside the optics, blocking the incoming light. Therefore, there is a need for an optical design wherein the detectors are positioned to provide full-field of view imaging and/or photo collection without blocking any of the incoming light.    Applications:   Advantages:   Licensing Manager: Amy Phillips AmyP@tla.arizona.edu Refer to case number UA18-192

Handheld Ultrasound Transducer Array for 3D Transcranial Ultrasound and Acoustoelectric Imaging and Related Modalities

Wed, 2018-07-11 17:41
ua17-164 - Title: Handheld Ultrasound Transducer Array for 3D Transcranial Ultrasound and Acoustoelectric Imaging and Related Modalities   Invention: This invention is a hand-held ultrasound array that utilizes acoustoelectric technology to develop accurate, real-time and volumetric images of the human skull in order to diagnose and treat brain disorders.   Background: Acoustoelectric imaging utilizes an interaction between local pressure (pulsed ultrasound) and resistivity to detect and image tissue densities. Functional magnetic imaging, positron emission tomography, and optical imaging of intrinsic signals suffer from limited resolution on the order of a spatial resolution and the “inverse problem.” Magnetoencephalography improves resolution, but the equipment is bulky, expensive, and does not solve the inverse problem. Therefore, there is an unmet need to improve mapping of electrical brain activity on a detailed scale.   Applications:   Advantages:   Licensing Manager: Rakhi Gibbons RakhiG@tla.arizona.edu (520) 626-6695

Imaging Agents for Detection and Treatment of Breast Cancer

Mon, 2018-07-02 17:41
ua17-180 - Title: Imaging Agents for Detection and Treatment of Breast Cancer   Invention: The invention is a breast cancer metastasis-targeting agent capable of identifying boundaries between normal and diseased tissues. These synthesized agents will bind to tumor cells, allowing surgeons to reliably remove diseased tissues.   Background: Surgical biopsy of the sentinel lymph nodes (SLN) is an invasive and expensive burden for patients. It is common for patients to feel short-term pains, swelling and bruising after their SLN biopsy. Numerous untargeted agents, like sulfur colloids, blue dyes and nanomaterials, have been used to identify SLN while lymph node mapping remains an industry standard for the prognosis of breast cancer. Through targeted identification of auxiliary lymph node (ALN) metastasis, this technology can eliminate the need for sentinel node excision, which reduces the risk of pain or infection.   Applications:   Advantages:   Licensing Manager: Laura Silva LauraS@TLA.arizona.edu (520) 626-1557