28 May 2018 Development of LED lighting system for pressurized water reactor
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Abstract
In a pressurized water reactor (PWR) there are no light sources due to the operation of such devices in a given medium. Thus, in order to obtain a high-quality video image when operating on PWR, the lighting unit must be located on the optoelectronic manipulator transmission device. The subject of the study is optoelectronic systems designed to monitor fuel loading underwater in PWR. The relevance of the topics is image quality improvement of the object under a high level of radiation background, the use of a new radiation-resistant block of illuminators, the main light source of which are LEDs, the development of a control circuit for the LED lighting unit using a microcontroller. For LED lighting optical systems' design, it is proposed to use nonimaging optical elements with refractive and reflective surfaces of various shapes. For their calculation, the known methods which are developed for the calculation of spherical and similar aspheric optics are not applicable. The scientific novelty of the work is the use of LEDs made on carbide-silicon substrates in radiation-resistant television systems.
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Radda A. Iureva, Andrei S. Timko, Nadezhda K. Maltseva, "Development of LED lighting system for pressurized water reactor", Proc. SPIE 10693, Illumination Optics V, 106930S (28 May 2018); doi: 10.1117/12.2303576; https://doi.org/10.1117/12.2303576
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