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Department, Xi＇ an, 710065）<br /> 机构地区：海装驻西安地区军事代表局,陕西西安710065<br /> 出 处：《电子测试》 2015年第2期 111-112页,92页,共3页<br /> Electronic Test<br /> 摘 要：分析了衍射光学元件在红外折射/衍射混合光学系统中的消热差特性，设计了在红外8μm～12μm 波段的红外折射/衍射混合无热化光学系统并进行了分析。设计结果表明，该系统在-40℃～60℃温度范围内不仅得到接近衍射极限的成像质量，而且具有结构简单，体积小，重量轻的特点。<br /> The athermalism of diffractive optical element in infrared hybrid refractive/diffractive optical system was analyzed.An athermal infrared hybrid refractive/diffractive optical system for 8μm ~ 12μm bands has been designed and discussed.The results shown that the image quality of the hybrid system achieves diffractive limit at the temperature range -40℃~60℃.In addition,the system has a compact structure with light weight.<br /> 关键词：长波红外 光学设计 无热化设计<br /> LWIR ; Optical design ; Athermal design ;</div> <div style="height200px;"></div> </div> </div> </div> </div></div> </div> <!--autocomment filter by maxnum--> <div class="ft_wp"> <div id="ft" class=" cl"> <div id="flk" > <p> <a 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