Abstract
In this work, we designed a configuration that may be used for direct detection of light, detection and ranging sensing method based on generated continuous wave laser and characterized by range measurements. The generation of modulated laser distance is studied and analysed by several distances where modulation of laser signal is utilized. The modelling configuration consisted of transmission module that comprises of signal generator, modulator, and propagation module, object target, and receiver modules comprises of photodetector, amplifier, filter, and visualizers. The design and configuration were developed by Optisystem layout, and the study and analysis are done by simulation using the developed model. A subsystem of range measurement was designed to detect varied distances of detection of target object by the generated modulation of continuous wave laser at 10, 50, 100 and 200 meters respectively. The results discussed were based on the power received and frequency given by different detection ranges. Analysis shows that the detection scheme is sensitive to the received electromagnetic radiation and the signal is better at shorter haul based on the generated modulation of the continuous wave source and the signal deteriorated as target distance is increased.
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