Abstract: An atom interferometer that utilizes two counterpropagating continuous 3D-cooled atom beams which are directed into a vacuum chamber. Momentum-transfer laser (MTL) beams are directed into the atom beams to produce a predetermined recoil and subsequently generate an interference signal that is read by a photodetector and analyzed by a processor to provide information regarding inertial forces such as acceleration and rotation rate. Reversal of the recoil direction of the MTL beams allows for the suppression of errors in the measurement of the inertial forces.

Abstract: Method and apparatus for producing a cooled atom beam suitable for use applications requiring cold atoms. A two-stage cooling process is employed in which the atoms in the atom beam are cooled in two, spatially separated regions of a cooling apparatus, wherein the atoms are first cooled in two dimensions by two counterpropagating laser beams under a magnetic field and then are cooled in three dimensions by means of an optical molasses, where the power, frequency, and magnetic fields are tuned to obtain a continuous beam of three-dimensionally cooled atoms having a controllable velocity distribution, very low decoherence, and low background atomic gas loss.

Abstract: Method and apparatus for producing a cooled atom beam suitable for use applications requiring cold atoms. A two-stage cooling process is employed in which the atoms in the atom beam are cooled in two, spatially separated regions of a cooling apparatus, wherein the atoms are first cooled in two dimensions by two counterpropagating laser beams under a magnetic field and then are cooled in three dimensions by means of an optical molasses, where the power, frequency, and magnetic fields are tuned to obtain a continuous beam of three-dimensionally cooled atoms having a controllable velocity distribution, very low decoherence, and low background atomic gas loss.