USA As Represented by Secretary of the Navy

Photonics Industries Int'l

Matthew Terraciano

Yusong Yin

Mark Bashkansky

Andrea Burzo

Fredrik K Fatemi

A method and apparatus for spatially separating beams with different wavelengths is presented. The system includes: a light source (i.e. a laser with multiple harmonic output beams) with multiple wavelengths emitted along a single beam path or very nearly collinear beam paths, a path which connects the light source to a wavelength dependent beam separator, and a second path for blocking unwanted output wavelengths which connects the beam separation region to the laser output.

High power UV lasers

A method and system for remotely imaging a magnetic field within an atom cloud is provided. An atom sample held in a magneto-optical trap is released, and the released atom cloud is illuminated by a Raman beam. Resonant atoms having certain velocities will absorb photon momenta from the Raman beam. The velocities of those resonant atoms will change in response to the absorbed momenta, causing a change in the travel distance of those atoms as compared with non-resonant atoms. The atom cloud is imaged by an imaging device such as a CCD camera and the presence of the resonant atoms is shown in the images as bright lines in the atom cloud. The distance traveled by the resonant atoms and therefore the separation of the lines in the image is a function of the magnetic fields in the atom cloud. The system and method of the present invention can image the magnetic fields within an atom cloud with a high spatial resolution over the entire atom cloud in a single imaging cycle, and analysis of the image provides information regarding the magnetic fields.

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Smithtown, NY, United States of America

Matthew Terraciano