Learn how to overcome resolution limitations caused by atmospheric turbulence in Imaging
Through Turbulence. This hands-on book thoroughly discusses the nature of turbulence …

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Atmospheric turbulence profoundly limits the angular resolution of astronomical telescopes
working at visible and near-infrared wavelengths. In fact, the angular resolution for …

Publisher Summary This chapter reviews conventional resolution definitions and criteria. An
alternative definition and corresponding criterion have been proposed and explained in the …

The US Army and the US Air Force are investigating laser range-gated shortwave IR (LRG-
SWIR) imaging systems for use in target identification. When coupled to an electron …

We demonstrate the utility of laser-illuminated imaging for high-resolution clandestine
nighttime surveillance from a simulated airborne platform at standoff ranges in excess of 20 …

The light of a light-emitting diode or a common thermal source, such as a tungsten filament
lamp, is known to be quasi-incoherent. We generated partially coherent light of these …

Theoretical and experimental investigations of the imaging technique referred to as speckle
holography have shown that wave-front information can be used in the postprocessing of …

Adaptive optics system (AOS) performance is a function of the system design, seeing
conditions, and light level of the wave-front beacon. It is desirable to optimize the …

One method for improving the quality of astronomical images measured through a
atmospheric turbulence uses simultaneous short-exposure measurements of both an image …