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Fast Faraday Cup for measuring the longitudinal distribution of particle charge density in non-relativistic beams
A Faraday Cup is a conductive cup designed to catch charged particles in vacuum. A Fast Faraday Cup is used to measure the longitudinal distribution of charge density. Ideally, the device should generate signals accurately and proportional to the beam to be measured with fast response time (time resolution) and low distortion with wide bandwidth in...
Published: 7/11/2023
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Inventor(s): Ding Sun, Alexander Shemyakin
Keywords(s):
Category(s): Technology Classifications > Accelerator Technologies
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Electromagnetic, thermal and particle shielding of couplers for radio-frequency cavities
Radio Frequency (RF) couplers are used on superconducting cavities to deliver the requisite RF power that creates the fields necessary to accelerate particles. Typically, a material with low thermal conductivity, such as stainless steel, is used as the outer conductor of the coupler to prevent heat flow. To decrease ohmic losses, the stainless steel...
Published: 7/11/2023
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Inventor(s): Sergey Kazakov
Keywords(s):
Category(s): Technology Classifications > Accelerator Technologies
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A method for conduction cooling superconducting radiofrequency cavities
Particle physics research increasingly demands accelerators that deliver high-power beams. Superconducting Radio-Frequency (SRF) cavities are currently the most efficient technology to reach such high beam power. But while SRF technology is efficient, the complexity of current 1.8 K liquid-helium-cooled systems leads to very capital intensive and operationally...
Published: 7/11/2023
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Inventor(s): Robert Kephart
Keywords(s):
Category(s): Technology Classifications > Accelerator Technologies
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Vector Control of Radio Frequency (RF) Signal in Narrow Band Loads (RF Cavity) Driven by Phase Locked Magnetron (or other constant amplitude device) using Carrier Amplitude Modulation by Spectral Energy Spreading from Frequency or Phase Modulation
There are a variety of microwave sources capable of producing high power at the required frequencies useful for particle accelerators. Klystrons can produce power well over 100 kW, but they are very large and expensive. Inductive Output Tubes (IOTs) are relatively inexpensive but are not readily available at higher frequencies and power levels.
Magnetrons...
Published: 7/11/2023
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Inventor(s): Ralph Pasquinelli, Brian Chase
Keywords(s):
Category(s): Technology Classifications > Accelerator Technologies
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Method and System for In-Situ Cross Linking Of Polymers, Bitumen and Similar Materials to Increase Strength, Toughness and Durability via Irradiation with Electron Beams from Mobile Accelerators
The United States pays $50 billion per year to repair and maintain the 2.2 million miles of paved roads that criss-cross the nation. This is because the basic building material of pavement is gravel and sand held together by bitumen, a material that oxidizes and cracks when cold and under load.
Fermilab has developed a concept for truck-mounted electron...
Published: 7/11/2023
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Inventor(s): Robert Kephart
Keywords(s):
Category(s): Technology Classifications > Accelerator Technologies
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Compact Skid-Mounted SRF Accelerator
Accelerators developed for science now are used broadly for industrial, medical, and security applications. More than 30,000 accelerators touch more than $500B/yr in products producing a major impact on our economy, health, and well-being. Industrial accelerators must be cost-effective, simple, versatile, efficient and robust. Many industrial applications...
Published: 7/11/2023
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Inventor(s): Robert Kephart
Keywords(s):
Category(s): Technology Classifications > Accelerator Technologies
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Novel Radio Frequency Tuning of Dressed Multicell Cavities using Pressurized Balloons
Before a particle accelerator cavity is installed, it is carefully tested and tuned using an automated machine that grasps the edges of each cell to make small, precise adjustments. The process continues until the cavity is adjusted so that, once the cavity is up and running inside an accelerator, it’s in the shape to produce the perfect electric...
Published: 7/11/2023
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Inventor(s): Awida Hassan, Donato Passarelli, Mohamed Hamed
Keywords(s):
Category(s): Technology Classifications > Engineering Technologies, Technology Classifications > Accelerator Technologies
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SRF e-beam accelerator for metal additive manufacturing
Electron beam additive manufacturing is a rapidly growing industry. Electron guns capable of reaching higher energies and higher average power can enable larger melt pools, higher production speed, and permit broader range of materials for metal additive applications. Such electron guns require technologies beyond those normally achieved with DC high...
Published: 7/11/2023
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Inventor(s): Thomas Kroc, Charles Thangaraj, Robert Kephart
Keywords(s):
Category(s): Technology Classifications > Engineering Technologies, Technology Classifications > Accelerator Technologies
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