Elliptically polarizing adjustable phase insertion device

Details Elliptically polarizing adjustable phase insertion device Elliptically polarizing adjustable phase insertion device

1993-02-10

1995-01-17

LaRoche, Eugene R.

Optical: systems and elements

Optical modulator

Light wave temporal modulation

372 37, G02B 108

Patent

active

053830490

ABSTRACT:
An insertion device for extracting polarized electromagnetic energy from a beam of particles is disclosed. The insertion device includes four linear arrays of magnets which are aligned with the particle beam. The magnetic field strength to which the particles are subjected is adjusted by altering the relative alignment of the arrays in a direction parallel to that of the particle beam. Both the energy and polarization of the extracted energy may be varied by moving the relevant arrays parallel to the beam direction. The present invention requires a substantially simpler and more economical superstructure than insertion devices in which the magnetic field strength is altered by changing the gap between arrays of magnets.

REFERENCES:
patent: 4035741 (1977-07-01), Crisp
patent: 4730334 (1988-03-01), Collins
patent: 4971945 (1990-11-01), Takemura
patent: 4987574 (1991-01-01), Rowley
patent: 5111330 (1992-05-01), Van Delden
patent: 5245621 (1993-09-01), Leupold

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