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Runways monitoring in civil airports is typically performed by enhanced radar surveillance systems operating in the so-called Precision Runway Monitor (PRM) system that provides position of airplanes and information on their trajectories. In this paper, we propose an additional measurement system that can be used jointly with the conventional PRM approach to monitor aircrafts position on land without...
A single-frequency 1.5 um microchip erbium laser, diode-pumped through optical fiber, was developed and characterized with the aim of using it in coherent OTDR sensing applications. The laser is pumped by a fiber-coupled 976 nm laser diode and provides some 10 mW single-frequency output power at 1533.5 nm wavelength, suitable for sensing and measurements with optical fibers. Amplitude and phase noise...
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