Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group

Influence of stratospheric turbulence on infrared imaging

Not Accessible

Your library or personal account may give you access

Abstract

We introduce a model for the power spectrum of stratospheric turbulence that is based on data from in situ measurements and on results of the theory of saturated internal gravity waves. We then study the effect of that stratospheric turbulence on the scintillation and the coherence of starlight and on the degradation of star image. It is shown that, because the stratospheric phase structure function is approximately quadratic over a distance comparable with the aperture of a large telescope, stratospheric turbulence does not significantly degrade short-exposure images of star but does degrade long-exposure ones. The influence of stratosphere on star image degradation is more important in the IR than in the visible range because of the specific dependence of the stratospheric coherence radius on the light wavelength. Star image motion and blurring are determined by different characteristics of the atmosphere and cannot be explained solely on the basis of the Kolmogorov model. The modified astronomical imaging theory predicts greater improvement in resolution as the result of tilt removal than does a conventional theory.

© 1995 Optical Society of America

Full Article  |  PDF Article
More Like This
Retrieving parameters of the anisotropic refractive index fluctuations spectrum in the stratosphere from balloon-borne observations of stellar scintillation

Clélia Robert, Jean-Marc Conan, Vincent Michau, Jean-Baptiste Renard, Claude Robert, and Francis Dalaudier
J. Opt. Soc. Am. A 25(2) 379-393 (2008)

Effect of the stratosphere on star image motion

M. S. Belen’kii
Opt. Lett. 20(12) 1359-1361 (1995)

Theoretical investigations of infrared optical wave modulation transfer function models in anisotropic marine turbulence

Linyan Cui, Wen Fei, and Bindang Xue
J. Opt. Soc. Am. A 35(9) 1496-1503 (2018)

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Figures (2)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Tables (1)

You do not have subscription access to this journal. Article tables are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Equations (18)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Select as filters


Select Topics Cancel
© Copyright 2024 | Optica Publishing Group. All Rights Reserved