Abstract: A method and system for processing laser vibrometry data are embodied in a processor configured to employ a statistical signal processing technique (e.g., a Bayesian processing technique) to process one or more mathematical models, laser vibrometry data for a system under observation, and prior information to generate estimates of parameters for the one or more mathematical models.

Abstract: A method and system for processing laser vibrometry data are embodied in a processor configured to employ a statistical signal processing technique (e.g., a Bayesian processing technique) to process one or more mathematical models, laser vibrometry data for a system under observation, and prior information to generate estimates of parameters for the one or more mathematical models.

Abstract: An improved magneto-optic trap is used to generate a high brightness low velocity continuous source of atoms as a continuous atomic beam. The improved magneto-optic atom trap is using gradient magnetic fields and a single circularly polarized laser beam incident upon a right angle conical mirror with apex aperture through which the continuous cold atom beam and central portion of the incident laser trapping light exit along a dark column. For use in an atomic clock system, a collimating and deflecting pumping laser provides transverse cooling of the atoms beam to bend and separate the cold atom beam from trapping laser light for reducing light shifts of the atomic clock operating frequency. The atomic clock can be a microwave cavity or Raman-type atomic clock.

Abstract: An improved Raman spectrometer is provided, having, in a preferred embodiment, a light source comprising an injection-locked laser diode array, a multipass cell to multiply the intensity of the light source, a dynamic gas sample focusing system, and an atomic vapor filter to remove the Rayleigh scattered light. The laser diode arrays are tuned to match an absorption band of the atomic vapor filter. The Raman scattered light passes virtually unattenuated through the filter to be recorded by a Fourier transform spectrometer or other spectrometer. This invention permits higher sensitivity and resolution than prior art Raman spectrometers, in particular permitting identification and measurement of Raman emissions that occur at low wave numbers. The light source of this invention can also be used in conjunction with optical notch filters and photodetectors to permit detection and measurement of preselected species in a sample.