3D printing-based diffractive optical element fabrication
Diffractive Optical Elements (DOEs) are used to shape the wavefront of incident light in complex patterns, and are ubiquitous across optical applications, ranging from laser processing through lithography to communication and imaging. Example applications include beam splitters, beam shapers, optical...
Categories:
Automotive, Aerospace & Industry 4.0|Chemistry & Materials|Electro-Optics & Quantum|Security & Defence
A new hydrothermal treatment of metal parts – experimental proof of concept
Metals might develop cracks and holes during the manufacturing process. 3D printing renders parts very prone to such defects. Other manufacturing methods may create such defects as well. Defects may also form while the parts are in use. This affects...
Categories:
Automotive, Aerospace & Industry 4.0|Chemistry & Materials|Security & Defence
Acoustic fiber sensors based on ultra-low noise opto-electronic oscillator
Optical acoustic interferometric fiber sensors are based on measuring the phase change in an optical wave that propagates through a fiber due to a strain induced by the acoustic signal. This phase change is measured by using an optical interferometry...
Categories:
Electro-Optics & Quantum|Security & Defence
As the operational envelope of unmanned air vehicles expands into the high sub-sonic and transonic speed range, the engine design process requires compromises in thrust, weight, fuel consumption, size, reliability, and manufacturing cost. Moreover, the engine requirements for multiple operating...
Categories:
Automotive, Aerospace & Industry 4.0|Computer Science & Electrical Engineering|Security & Defence
Advanced failure analysis and design optimization for soft materials
Soft materials such as rubbers, elastomeric composites, hydrogels, and shape-memory polymers are integral to modern engineering, powering applications across automotive, aerospace, electronics, and biomedical industries. Yet despite their versatility, conventional testing and modeling methods often fail to capture their complex...
Categories:
Automotive, Aerospace & Industry 4.0|Chemistry & Materials|Security & Defence
Complex events processing in data streaming
Complex event processing (CEP) algorithms are widely employed in applications where arbitrarily complex patterns of data items must be promptly and efficiently detected in massive data streams. CEP algorithms treat data items as events, as new events are detected they...
Categories:
Computer Science & Electrical Engineering|Security & Defence
Speculative execution is a technique used by modern processors with out of order architecture to speed up performances, where the processor may execute some tasks ahead of time before it is known whether these tasks are actually needed. When the...
Categories:
Computer Science & Electrical Engineering|Security & Defence
Detecting far objects using a 3D optic system
Today, radar or stereoscopic systems are used when distance estimation is required. Radar systems require expensive equipment. Methods that are based on triangulation require 2 cameras. As the object distance increases, the distance between the cameras has to increase. In...
Categories:
Automotive, Aerospace & Industry 4.0|Electro-Optics & Quantum|Security & Defence
Detection of molecules of interest
The present technology consists of compositions comprising electrospun nanofibers and colorimetric reactants, directed to detection of molecule of interest including but not limited to explosives. The colorimetric reactants provide a colorimetric change in response to exposure to a molecule of interest,...
Categories:
Chemistry & Materials|Security & Defence
Fire retardant glass based on intumescent layer technology deposited using a cast in place method
Intumescent gel trapped between 2 glass sheets will create a fire-resistant and heat insulating windows. Using in-place casting of the gel layer and its chemical hardening between 2 glass sheets prevents air bubbles that exist in other filling methods. When...
Categories:
Chemistry & Materials|Security & Defence
Fundamental component of modern hardware security
Emerging nanoelectronic memristive technologies promise to provide an alternative to the ubiquitous CMOS technology. CMOS compatibility, along with a combination of properties such as non-linearity, non-volatility and sensitivity to process variations, make this technology appealing for embedded security applications. The...
Categories:
Computer Science & Electrical Engineering|Electro-Optics & Quantum|Security & Defence
Current gamma radiation detectors are large items. Detection of source direction is very inaccurate or requires long scanning process. Wise positioning of small and sensitive detectors allows quick detection of radiation source with high accuracy. Advantages Advantages Quick detection High...
Categories:
Electro-Optics & Quantum|Security & Defence
Image compression and active acquisition using deep posterior sampling
Signals compression or active acquisition can be very heavy data transmitting processes. By taking advantage of recently discovered generative AI capabilities (and specifically diffusion models), our technology enables a computational process for discovering an optimized set of measurements for obtaining...
Categories:
AI & Data Science|Computer Science & Electrical Engineering|Security & Defence
Increasing efficiency of fans, turbines and rotating blades
Adding steady or oscillatory perturbation near the leading edge of the blades - mechanical, electro-mechanical, pneumatic, hydraulic, plasma based, Lorentz force based, etc. or Gurney flaps to the trailing edge of fan blades increases air-flow, aerodynamic efficiency, power savings and...
Categories:
Security & Defence|Sustainability Energy & ConTech
MWIR technology can be used for fluorescent marking of objects such as money bills, military equipment, landing strips etc. However, it is based on bulk toxic materials and the devices based on them are noisy and require harsh and hazardous...
Categories:
Chemistry & Materials|Electro-Optics & Quantum|Security & Defence
Laser multiphoton charge separation spectroscopy (MEES)
A novel analytical technology, MEES (Multiphoton Electron Extraction Spectroscopy), has been developed for sensitive compound detection and quantification under ambient conditions. In this method the sample is irradiated by a laser and the photocurrents are measured as a function of...
Categories:
Automotive, Aerospace & Industry 4.0|Chemistry & Materials|FoodTech & Biotechnology|Security & Defence
Long duration Vacuum Arc Thruster for nanosatellite propulsion
Researcher:
Dr. Igal Kronhaus
A reliable, non-magnetic, long lived Vacuum Arc Thruster (VAT) - the inline screw feeding vacuum arc thruster (ISF-VAT) is a mechanically controlled feeding mechanism. The feeding mechanism moves the cathode towards the exit plane in a helical path. This enables...
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Automotive, Aerospace & Industry 4.0|Security & Defence
Low power hall thrusters
Researcher:
Dr. Igal Kronhaus
Hall thrusters, also known as closed drift accelerators, are very successful electric propulsion (EP) systems commonly used for spacecraft propulsion. Hall thrusters have good attributes, however they are designed to operate at power levels above 300 W - not suitable...
Categories:
Automotive, Aerospace & Industry 4.0|Security & Defence
Message authentication based on physical location on a bus
Researcher:
Prof. Eli Biham
With the ever evolving connectivity and functionality of devices, systems, infrastructures and/or the like, cyber-attacks and cyber threats may present a major and ever growing security concern for multiple networks, systems and infrastructures. Potential malicious attackers may penetrate a network...
Categories:
Automotive, Aerospace & Industry 4.0|Computer Science & Electrical Engineering|Security & Defence
Online single and multi-agent decision making under uncertainty
Autonomous decision making under uncertainty is a fundamental problem in AI and robots, and is essential in numerous practical applications. Novel approaches are provided for decision making under uncertainty, for determining optimal actions online for single and multi agent systems...
Categories:
AI & Data Science|Automotive, Aerospace & Industry 4.0|Security & Defence
Proof of Lottery (PoL), efficient blockchain
Blockchain networks comprise a community of computing nodes constructed to manage and maintain blockchains and are deployed to facilitate distributed ledgers for a plurality of uses and applications. The distributed ledgers stored simultaneously by a plurality untested community members may...
Categories:
Computer Science & Electrical Engineering|Security & Defence
Pulse tube sterling type cryogenic cooling
Refrigeration at temperatures around 80-150 K is required for infrared night-vision equipment with high resolution and fast response times. Compact, light-weight devices are necessary for many typical applications, such as for man-portable night-vision equipment, unattended aerial vehicles, and for use...
Categories:
Electro-Optics & Quantum|Security & Defence|Sustainability Energy & ConTech
Quantum interferometry for accurate measurements
Force detection plays a crucial role in various applications, including surface characterization, gravitational and geological mapping, and acceleration and rotation sensing. Among the methods available, atomic interferometry stands out as one of the most sensitive techniques for detecting force. Atomic...
Categories:
Electro-Optics & Quantum|Security & Defence
Securing program execution
This invention addresses the need to provide security (confidentiality and integrity) to an application running on a computer that is controlled by an untrusted owner with an untrusted operating system and even hypervisor or virtual machine monitor. Only the CPU...
Categories:
Computer Science & Electrical Engineering|Security & Defence
Sensors for shooting arms detection
Researcher:
Prof. Emeritus Yael Nemirovsky
Detection of hostile fire in real time in the field is a well-known problem. Modern low intensity conflicts and acts of terrorism are stressing the need for military and law enforcement agencies to locate sporadic sources of hostile fire. The...
Categories:
Electro-Optics & Quantum|Security & Defence
Shockwave protection layer
Abnormal inverse-freezing phenomena, in which fluids solidify upon heating. It was shown that upon impact, some of these inverse-freezing fluids undergo solidification by absorbing impact energy. This novel phase transformation, which occurs in timescales of microseconds, is in stark contrast...
Categories:
Automotive, Aerospace & Industry 4.0|Chemistry & Materials|Security & Defence
Current technologies to detect the development of underground cavities such as sinkholes or cross border smuggling tunnels require complicated and expensive data acquisition techniques. Fiber optics buried at shallow depth enable continuous, distributed monitoring of soil deformations along tens of...
Categories:
Automotive, Aerospace & Industry 4.0|Electro-Optics & Quantum|Security & Defence
TERA Hz radiation transmitter
The terahertz region of the electromagnetic spectrum, in particular the region of 1-10 THz, is called the “terahertz gap” due to the lack of convenient radiation sources which are either inefficient or require cooling and are not tunable in frequency....
Categories:
Electro-Optics & Quantum|Medical Devices & Digital Health|Security & Defence
Translator detectors and NIR light amplification based on metal lattice field
Current IR sensors are based on small band gap materials require cryogenic cooling and usually have low quantum yield, hence are expensive and hard to use. Photonic crystals containing nano particles can transform IR radiation into visible light that is...
Categories:
Chemistry & Materials|Electro-Optics & Quantum|Security & Defence
Transparent and lightweight ballistic protection
Transparent armor is essentially based on the performance of the component materials, and their stacking. Beyond that point, it is commonly believed that little can be added to the system to improve its performance. High confinement pressure over the glass...
Categories:
Automotive, Aerospace & Industry 4.0|Security & Defence
