&lt;title&gt;Atmospheric effects on laser systems&lt;/title&gt;

Au, Robert H.

doi:10.1117/12.47832

Cited by 1 publication

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References 2 publications

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“…The exponential function which fits each straight line segment of the attenuation coefficient curves has the form e(a+bh) (1) where a and b are coefficients and h is the altitude. The coefficients are determined by solving two simultaneous algebraic equations for the end points.…”

Section: Atmospheric Attenuation Methodsmentioning

confidence: 99%

<title>Comparison of laser radar transmittance for the five atmospheric models</title>

1991

Propagation Engineering: Fourth in a Series

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This study provides a method for quickly calculating the slant and horizontal two way atmospheric transmittance of a carbon dioxide laser radar operating at 10.591 p.m. Calculations, using this method, are performed comparing the two way transmittance for five atmospheric models: tropical, mid-latitude summer, mid-latitude winter, subarctic summer, and subarctic winter. The two way transmittance are calculated using an exponential expression for the scattering and absorption attenuation coefficients of the atmospheric molecules and aerosols. The expression, obtained by fitting existing atmospheric attenuation coefficient data, are integrated over the slant range of interest. Results show that the auenuation decreases when the altitude of the laser radar increases for horizontal and upwards looking line of sight. Results also show that the attenuation increases with increasing altitude and slant range when the laser radar is looking downwards towards the earth. The method described can be applied to other available attenuation coefficient data at different laser frequencies.280

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Section: Atmospheric Attenuation Methodsmentioning

confidence: 99%

<title>Atmospheric effects on laser systems</title>

Cited by 1 publication

References 2 publications

<title>Comparison of laser radar transmittance for the five atmospheric models</title>

<title>Comparison of laser radar transmittance for the five atmospheric models</title>

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