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Jarzembski MA, Srivastava V. Spectral analysis of vibrational harmonic motion by use of a continuous-wave CO2 Doppler lidar. J Opt Soc Am A Opt Image Sci Vis. 2000;17(10):1840-5doi: 10.1364/josaa.17.001840.
Jarzembski, M. A., & Srivastava, V. (2000). Spectral analysis of vibrational harmonic motion by use of a continuous-wave CO2 Doppler lidar. Journal of the Optical Society of America. A, Optics, image science, and vision, 17(10), 1840-5. https://doi.org/10.1364/josaa.17.001840
Jarzembski, M A, and Srivastava, V. "Spectral analysis of vibrational harmonic motion by use of a continuous-wave CO2 Doppler lidar." Journal of the Optical Society of America. A, Optics, image science, and vision vol. 17,10 (2000): 1840-5. doi: https://doi.org/10.1364/josaa.17.001840
Jarzembski MA, Srivastava V. Spectral analysis of vibrational harmonic motion by use of a continuous-wave CO2 Doppler lidar. J Opt Soc Am A Opt Image Sci Vis. 2000 Oct;17(10):1840-5. doi: 10.1364/josaa.17.001840. PMID: 11028532.
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J Opt Soc Am A Opt Image Sci Vis. 2000 Oct;17(10):1840-5. doi: 10.1364/josaa.17.001840.

Spectral analysis of vibrational harmonic motion by use of a continuous-wave CO2 Doppler lidar.

Journal of the Optical Society of America. A, Optics, image science, and vision

M A Jarzembski, V Srivastava

Affiliations

  1. NASA Marshall Space Flight Center, Global Hydrology and Climate Center, Huntsville, Alabama 35805, USA. [email protected]

PMID: 11028532 DOI: 10.1364/josaa.17.001840

Abstract

Vibrational motion of a harmonic oscillator was investigated with a focused continuous-wave (cw) CO2 Doppler lidar at 9.1-microm wavelength. A continuum of frequencies along with many discrete, equally spaced, resonant frequency modes was observed. The frequency modes are similar in structure to the oscillatory longitudinal modes of a laser cavity and arise because of interference of the natural resonant frequency of the oscillator with specific frequencies within the continuum. Each consecutive resonant frequency mode occurred for a movement of the oscillator much less than the wavelength of incident lidar radiation. For vigorous vibration of the oscillator, the observed spectra may be indicating nonlinear motion.

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