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Jarzembski MA, Srivastava V. Interference of backscatter from two droplets in a focused continuous-wave CO2 Doppler lidar beam. Appl Opt. 1999;38(15):3387-93doi: 10.1364/ao.38.003387.
Jarzembski, M. A., & Srivastava, V. (1999). Interference of backscatter from two droplets in a focused continuous-wave CO2 Doppler lidar beam. Applied optics, 38(15), 3387-93. https://doi.org/10.1364/ao.38.003387
Jarzembski, M A, and Srivastava, V. "Interference of backscatter from two droplets in a focused continuous-wave CO2 Doppler lidar beam." Applied optics vol. 38,15 (1999): 3387-93. doi: https://doi.org/10.1364/ao.38.003387
Jarzembski MA, Srivastava V. Interference of backscatter from two droplets in a focused continuous-wave CO2 Doppler lidar beam. Appl Opt. 1999 May 20;38(15):3387-93. doi: 10.1364/ao.38.003387. PMID: 18319936.
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Appl Opt. 1999 May 20;38(15):3387-93. doi: 10.1364/ao.38.003387.

Interference of backscatter from two droplets in a focused continuous-wave CO2 Doppler lidar beam.

Applied optics

M A Jarzembski, V Srivastava

Affiliations

  1. Global Hydrology and Climate Center, 977 Explorer Boulevard, Huntsville, Alabama 35806, USA. [email protected]

PMID: 18319936 DOI: 10.1364/ao.38.003387

Abstract

With a focused continuous-wave CO(2) Doppler lidar at 9.1-microm wavelength, the superposition of backscatter from two appromately 14.12-microm-diameter silicone oil droplets in the lidar beam produced interference that resulted in a single backscatter pulse from the two droplets with a distinct periodic structure. This interference is caused by the phase difference in backscatter from the two droplets while they are traversing the lidar beam at different speeds, and thus the droplet separation is not constant. The complete cycle of interference, with periodicity 2pi, gives excellent agreement between measurements and lidar theory.

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