Abstract:
The present invention relates to an irradiation device for irradiating objects with electron beams. The irradiation device comprises at least one electron beam emitter having an electron exit window and at least one sensor device for detecting a first dose control parameter of the electron beam. The electron beam emitter is adapted to move past the sensor device such that the electron beam emitted from the electron exit window passes within a sensing area of the sensor device. The sensor device comprises more than one conductor each having a conductor surface in the sensing area of the sensor device, and the conductor surface is adapted to be exposed to electrons of the electron beam. The invention also relates to a method.
Abstract:
An ion therapy system for irradiating a patient with laser-accelerated ions may include a laser radiation source to emit laser radiation and a housing coupled to the laser radiation source. The system may have a laser target having a surface from which an ion beam can be generated. The housing may have a window portion to let an incident ion beam pass and to seal the housing. The system may have a vacuum system to generate lower pressure in the inner space of the housing. A focusing system may focus the laser radiation on the laser target. A control device may control the focusing system and adjust a propagation direction of the ion beam such that the ion beam impinges on an external target. The laser radiation source may generate laser pulses with a duration between 10−18 seconds and 10−12 seconds and an energy of at least 100 mJ.
Abstract:
A device for sterilizing containers may include a treatment head having an outlet window for the passing of charge carriers therethrough, a charge carrier generation source for generating charge carriers, an acceleration device disposed above the outlet window, and a cooling device for cooling the outlet window. The acceleration device accelerates the charge carriers in the direction of the outlet window. The cooling device includes a feed opening for a gaseous medium. The feed opening is disposed beneath the outlet window and directs the gaseous medium at least partially from below to the outlet window.
Abstract:
In one embodiment, the trajectory of one or more electrons is controlled in a field emission device. In another embodiment, the field emission device is configured analogously to a klystron. In another embodiment, the field emission device is configured with electrical circuitry selected to control the input and output of the device.
Abstract:
The power supply device (14) for an ion-bombardment-induced secondary-emission electron source in a low-pressure chamber includes a control input, two high-voltage outputs, an element for generating a plurality of positive pulses on a high-voltage output, and an element for generating a negative pulse on the other high-voltage output after at least some of the positive pulses.