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An acousto-optical sensor with high angular resolution.

Kaloshin G, Lukin I - Sensors (Basel) (2012)

Bottom Line: The paper introduces a new laser interferometry-based sensor for diagnosis of random media by means of high accuracy angle measurements and describes the results of its development and testing.Theoretical calculations of the dependence of the range of the laser interferometer on laser beam parameters, device geometry, and atmospheric turbulence characteristics are reported.It is demonstrated that at moderate turbulence intensities corresponding to those observed most frequently in turbulent atmosphere at moderate latitudes and with low interference contrast values, the performance range of the laser interferometer-based device exceeds 5 km.

View Article: PubMed Central - PubMed

Affiliation: VE Zuev Institute of Atmospheric Optics SB RAS, Tomsk, Russia. gkaloshin@iao.ru

ABSTRACT
The paper introduces a new laser interferometry-based sensor for diagnosis of random media by means of high accuracy angle measurements and describes the results of its development and testing. Theoretical calculations of the dependence of the range of the laser interferometer on laser beam parameters, device geometry, and atmospheric turbulence characteristics are reported. It is demonstrated that at moderate turbulence intensities corresponding to those observed most frequently in turbulent atmosphere at moderate latitudes and with low interference contrast values, the performance range of the laser interferometer-based device exceeds 5 km.

No MeSH data available.


Related in: MedlinePlus

The schematic of the atmospheric laser sensor.
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f1-sensors-12-03739: The schematic of the atmospheric laser sensor.

Mentions: An optical schematic of the atmosphere laser path interferometer (laser sensor–LS) employing this method for a one-dimensional case is shown in Figure 1 (for a two-dimensional case, a laser beam is scanned across two coordinates using either two one-dimensional PADs in tandem or one PAD cell, in which two orthogonal acoustic waves are excited).


An acousto-optical sensor with high angular resolution.

Kaloshin G, Lukin I - Sensors (Basel) (2012)

The schematic of the atmospheric laser sensor.
© Copyright Policy
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC3376619&req=5

f1-sensors-12-03739: The schematic of the atmospheric laser sensor.
Mentions: An optical schematic of the atmosphere laser path interferometer (laser sensor–LS) employing this method for a one-dimensional case is shown in Figure 1 (for a two-dimensional case, a laser beam is scanned across two coordinates using either two one-dimensional PADs in tandem or one PAD cell, in which two orthogonal acoustic waves are excited).

Bottom Line: The paper introduces a new laser interferometry-based sensor for diagnosis of random media by means of high accuracy angle measurements and describes the results of its development and testing.Theoretical calculations of the dependence of the range of the laser interferometer on laser beam parameters, device geometry, and atmospheric turbulence characteristics are reported.It is demonstrated that at moderate turbulence intensities corresponding to those observed most frequently in turbulent atmosphere at moderate latitudes and with low interference contrast values, the performance range of the laser interferometer-based device exceeds 5 km.

View Article: PubMed Central - PubMed

Affiliation: VE Zuev Institute of Atmospheric Optics SB RAS, Tomsk, Russia. gkaloshin@iao.ru

ABSTRACT
The paper introduces a new laser interferometry-based sensor for diagnosis of random media by means of high accuracy angle measurements and describes the results of its development and testing. Theoretical calculations of the dependence of the range of the laser interferometer on laser beam parameters, device geometry, and atmospheric turbulence characteristics are reported. It is demonstrated that at moderate turbulence intensities corresponding to those observed most frequently in turbulent atmosphere at moderate latitudes and with low interference contrast values, the performance range of the laser interferometer-based device exceeds 5 km.

No MeSH data available.


Related in: MedlinePlus