University of California

Varian Medical Systems, Inc.

Wim Leemans

Hann-Shin Mao

Paul A Lovoi

James Edward Clayton

Anthony J Gonsalves

Kelly Swanson

Don Syversrud

Stepan Bulanov

Tyler Sipla

This disclosure provides systems, methods, and apparatus related to devices and methods for creating hollow, near-hollow, and parabolic plasma channels. In one aspect, a device includes a block of material and a cooling system. The block of material defines a channel having a cylindrical shape and having a first open end and a second open end. An axis of the channel lies along a straight line. The block of material further defines a first gas port and a second gas port. The first gas port and the second gas port are in fluid communication with channel. The cooling system is operable to cool the channel to below the freezing point of a gas.

Devices and methods for creating plasma channels for laser plasma acceleration

This disclosure provides systems, methods, and apparatus related to laser plasma accelerators. In one aspect a block of material defines a gas inlet, a chamber in fluid communication with the gas inlet, a throat in fluid communication with the chamber, a channel in fluid communication with the throat, and a gas outlet in fluid communication with the channel. The throat is configured to generate a supersonic flow of a gas when the gas flows through the throat. The channel includes a ramp that is positioned proximate the gas outlet, with the ramp being inclined at an angle with respect to a direction of a flow of the gas proximate a surface of the channel prior to the ramp at the gas outlet.

Shock injector for low-laser energy electron injection in a laser plasma accelerator

A laser accelerator driven electronic brachytherapy system, device, and method for particle based treatment of a tumor or other human diseases and conditions.

Laser accelerator driven particle brachytherapy devices, systems, and methods

Growing community of inventors

Kensington, CA, United States of America

Wim Leemans