Ultra-Compact Accelerator Technologies for Application in Nuclear Techniques

Sampayan, S.; Caporaso, G.J.; Chen, Y.‐J.; Carazo, V.; Falabella, S.; Guethlein, G.; Guse, S.; Harris, John R.; Hawkins, Steven A.; Holmes, C.; Krogh, M.; Nelson, Scott D.; Paul, A.C.; Pearson, D.W.; Poole, B.; Schmidt, R.; Sanders, D. A.; Selenes, K.; Sitaraman, S; Sullivan, J.; Wang, L.; Watson, J.M.

doi:10.1063/1.3275669

Cited by 2 publications

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“…The power supply is based on a modular stackable system which combines piezoelectric transformers and Cockroft-Walton voltage multiplier circuits [123,124]. …”

Section: High Voltage Power Supplies For Compact Neutron Generatorsmentioning

confidence: 99%

Piezoelectric Transformers: An Historical Review

Carazo¹

2016

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Piezoelectric transformers (PTs) are solid-state devices that transform electrical energy into electrical energy by means of a mechanical vibration. These devices are manufactured using piezoelectric materials that are driven at resonance. With appropriate design and circuitry, it is possible to step up and step down the voltages between the input and output sections of the piezoelectric transformer, without making use of magnetic materials and obtaining excellent conversion efficiencies. The initial concept of a piezoelectric ceramic transformer was proposed by Charles A. Rosen in 1954. Since then, the evolution of piezoelectric transformers through history has been linked to the relevant work of some excellent researchers as well as to the evolution in materials, manufacturing processes, and driving circuit techniques. This paper summarizes the historical evolution of the technology.Keywords: piezoelectric transformer; piezoelectric-based power supply; non-magnetic transformers Historical Introduction 1920s-1930s: Early Studies on Piezoelectric Transformers Using Salt Rochelle Single CrystalThe first studies on electrical to electrical conversion using piezoelectric materials took place in the late 1920s and early 1930s. Alexander McLean Nicolson has the honor of being the first researcher to investigate the idea of a piezoelectric transformer. Nicolson considered two single crystal blocks preloaded against each other with an external frame (Figure 1). Abstract: Piezoelectric transformers (PTs) are solid-state devices that transform electrical energy into electrical energy by means of a mechanical vibration. These devices are manufactured using piezoelectric materials that are driven at resonance. With appropriate design and circuitry, it is possible to step up and step down the voltages between the input and output sections of the piezoelectric transformer, without making use of magnetic materials and obtaining excellent conversion efficiencies. The initial concept of a piezoelectric ceramic transformer was proposed by Charles A. Rosen in 1954. Since then, the evolution of piezoelectric transformers through history has been linked to the relevant work of some excellent researchers as well as to the evolution in materials, manufacturing processes, and driving circuit techniques. This paper summarizes the historical evolution of the technology.

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“…The power supply is based on a modular stackable system which combines piezoelectric transformers and Cockroft-Walton voltage multiplier circuits [123,124]. …”

Section: High Voltage Power Supplies For Compact Neutron Generatorsmentioning

confidence: 99%

Piezoelectric Transformers: An Historical Review

Carazo¹

2016

Actuators

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“…The first integrated test of a DWA using multilayer vacuum insulators driven by pulse-forming lines has recently been completed 26 . This machine consisted of four Blumlein pulse forming lines 5 , each driving a single HGI beam tube (Fig.…”

Section: Insulator Testing In a Dielectric Wall Acceleratormentioning

confidence: 99%

Vacuum insulator development for the dielectric wall accelerator

Harris

Blackfield

Caporaso

et al. 2008

Journal of Applied Physics

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At Lawrence Livermore National Laboratory, we are developing a new type of accelerator, known as a Dielectric Wall Accelerator, in which compact pulse forming lines directly apply an accelerating field to the beam through an insulating vacuum boundary. The electrical strength of this insulator may define the maximum gradient achievable in these machines. To increase the system gradient, we are using "High Gradient Insulators" composed of alternating layers of dielectric and metal for the vacuum insulator. In this paper, we present our recent results from experiment and simulation, including the first test of a High Gradient Insulator in a functioning Dielectric Wall Accelerator cell. a) Electronic mail: harris89@llnl.gov 2

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Ultra-Compact Accelerator Technologies for Application in Nuclear Techniques

Cited by 2 publications

References 1 publication

Piezoelectric Transformers: An Historical Review

Piezoelectric Transformers: An Historical Review

Vacuum insulator development for the dielectric wall accelerator

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