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Anotace knihy

Using a device to act as a surrogate for atmospheric turbulence in a laboratory is necessary to build and test optical systems for imaging, lidar, laser weapons, and laser communications. Liquid-crystal spatial light modulators (LC SLMs) and segmented micro-electro-mechanical-system (MEMS) deformable mirrors (DMs) are commonly used devices for altering wavefronts in order to simulate a portion of atmospheric turbulence. The best location of these devices was theoretically analyzed to obtain the broadest possible range of atmospheric conditions. It was revealed that a layered model for atmospheric turbulence strength can be represented by the atmospheric coherence diameter that a single segmented wavefront control device can produce. The limitations of pixelation effects on a segmented wavefront control device were investigated theoretically. The results of this analysis were then confirmed in simulation. The performance capabilities of several available commercial devices are better understood as a result of this research.

Parametry knihy

Zařazení knihy Knihy v angličtině Society & social sciences Education

• Plný název: Limitations of Segmented Wavefront Control Devices in Emulating Optical Turbulence
• Autor: Michael D Plourde
• Jazyk: Angličtina
• Vazba: Brožovaná
• Počet stran: 114
• EAN: 9781288302635
• ISBN: 9781288302635
• ID: 08242311
• Nakladatelství: Biblioscholar
• Hmotnost: 218 g
• Rozměry: 246 × 189 × 6 mm
• Datum vydání: 01. November 2012

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