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Proceedings Paper

Wavelength Effects On Images Formed Through Turbulence
Author(s): J E Craig; W C Rose
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Paper Abstract

The characteristics of wavefronts propagated through turbulence and the resulting images are discussed. Hot wire anemometry and holographic interferometry techniques are used to measure wavefront distortion. A model is developed to describe the associated images. The effect of viewing wavelength is examined in detail. A short wavelength limit is found in which the image size is aerodynamically limited and independent of wavelength. The distortion weakens with increasing wavelength until long wavelengths are reached where the image size is diffraction limited. The behavior of imaging systems throughout this wavelength region and its dependence on aero-optic parameters is examined.

Paper Details

Date Published: 24 August 1987
PDF: 8 pages
Proc. SPIE 0788, Flow Visualization and Aero-Optics in Simulated Environments, (24 August 1987); doi: 10.1117/12.940699
Show Author Affiliations
J E Craig, Spectron Development Laboratories, Inc (United States)
W C Rose, Rose Engineering and Research, Inc (United States)

Published in SPIE Proceedings Vol. 0788:
Flow Visualization and Aero-Optics in Simulated Environments
H. Thomas Bentley, Editor(s)

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