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利用脈沖激光開展的衛(wèi)星用器件和電路單粒子效應(yīng)試驗(yàn)

Single event effect experiment for devices and circuits aboard on satellite using pulsed laser

  • 摘要: 利用脈沖激光進(jìn)行單粒子效應(yīng)試驗(yàn)具有操作方便、試驗(yàn)效率高、可對(duì)芯片單粒子效應(yīng)響應(yīng)的空間區(qū)域和時(shí)間特性進(jìn)行測(cè)試等特點(diǎn)，可作為衛(wèi)星用器件和電路單粒子效應(yīng)測(cè)試的有力手段。利用自主建立的脈沖激光單粒子效應(yīng)試驗(yàn)裝置（PLSEE），針對(duì)某衛(wèi)星用數(shù)字器件和電路進(jìn)行了輻照試驗(yàn)，觀測(cè)到了豐富的單粒子效應(yīng)現(xiàn)象，首次測(cè)試了多次單粒子鎖定對(duì)器件和電路的影響，對(duì)器件選用評(píng)價(jià)和電路系統(tǒng)抗單粒子效應(yīng)設(shè)計(jì)具有參考價(jià)值。利用此裝置，還首次在國(guó)內(nèi)對(duì)有空間應(yīng)用背景和前景的運(yùn)算放大器、光電耦合器進(jìn)行了單粒子瞬態(tài)脈沖效應(yīng)的試驗(yàn)，表明這些器件像數(shù)字器件一樣會(huì)發(fā)生嚴(yán)重的單粒子效應(yīng)，而且更難捕捉和定位，對(duì)衛(wèi)星系統(tǒng)的威脅不容忽視。

     

    Abstract: The single event effect experiment using pulsed laser enjoys many merits, such as convenient operation, efficient process, and the capability of obtaining the spatial and time response of the subject device. By using the Pulsed Laser Single Event Effects (PLSEE) facility developed by our center, experiments of single event effects for different devices and circuits were conducted. For digital devices and circuits aboard a certain satellite, various single event phenomena were observed, especially, the multi single event latch-ups were observed for the first time, together with their influence on device and circuit. The facility is also used to determine whether some amplifiers and optocouplers can be used in space. It is shown that the single event transient effects exist in analog and photoelectronic devices just as in digital devices, and are more difficult to be captured and positioned, with more serious hazards on the satellite system.

     

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