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We proposed a novel evaluation method of heat dissipation capability of the helix slow-wave structure (SWS). A distributed micro fiber Bragg grating (FBG) sensor array is designed to measure the temperature distribution of the helix in SWS. An experiment on two X-band SWSs of different heat dissipation capability is made and the results show that our method can effectively be used to estimate and...
A silicon heat sink with grooved mirror was fabricated by micro-processing technology, then a 5W blue 2×2 LED array with Silicon-based heat sink was accomplished by way of studying its heat conduction. Firstly, the optical ray trace simulation of the array was carried out to study the relationship between light profile and lens shaped, groove height. Then according to the optical simulation results,...
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