Sti Optronics, Inc.

Wayne D Kimura

Richard D Romea

Loren C Steinhauer

Donald W Rule

Ralph B Fiorito

A method and apparatus for exchanging energy between relativistic charged particles and laser radiation using inverse diffraction radiation or inverse transition radiation. The beam of laser light is directed onto a particle beam by means of two optical elements which have apertures or foils through which the particle beam passes. The two apertures or foils are spaced by a predetermined distance of separation and the angle of interaction between the laser beam and the particle beam is set at a specific angle. The separation and angle are a function of the wavelength of the laser light and the relativistic energy of the particle beam. In a diffraction embodiment, the interaction between the laser and particle beams is determined by the diffraction effect due to the apertures in the optical elements. In a transition embodiment, the interaction between the laser and particle beams is determined by the transition effect due to pieces of foil placed in the particle beam path.

Energy exchange between a laser beam and charged particles using inverse

A method and apparatus for detecting diffraction radiation from a charged particle beam in order to measure parameters that characterize the charged particle beam. The charged particle beam passes near one or more edges, apertures, or interfaces between media of different dielectric constants such that the beam is not intercepted. This generates forward diffraction radiation and reflected diffraction radiation at an angle relative to the direction of the beam. The radiation passes through a focusing system and onto a detector which measures a desired parameter.

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Bellevue, WA, United States of America

Wayne D Kimura