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29 April 2016 Objective for monitoring the corona discharge
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Remote optoelectronic probing is one of the most actual aspects of overhead electric line maintenances. By installing such systems on a helicopter (for example) it becomes possible to monitor overhead transmission line status and to search damaged parts of the lines. Thermal and UV-cameras are used for more effective diagnostic. UV-systems are fitted with filters, that attenuate visible spectrum, which is an undesired type of signal. Also these systems have a wide view angle for better view and proper diagnostics. For even more effectiveness, it is better to use several spectral channels: like UV and IR. Such spectral selection provides good noise reduction. Experimental results of spectral parameters of the wide view angle multispectral objective for such systems are provided in this report. There is also data on point spread function, UV and IR scattering index data and technical requirements for detectors.
© (2016) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Andrey Obrezkov, Andrey Yu. Rodionov, Viktor N. Pisarev, Alexsey N. Chivanov, Yuri P. Baranov, and Valery V. Korotaev "Objective for monitoring the corona discharge", Proc. SPIE 9899, Optical Sensing and Detection IV, 98992H (29 April 2016);

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