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type="text/css"></style> <div id="ct" class="ct2 wp cl"> <div class="mn"> <div class="bm_haa cl"> <div class="bm_h cl"> <a href="http://www.oecr.com/portal.php?mod=rss&catid=62" class="y xi2 rss" target="_blank" title="RSS">订阅</a><h1 class="xs2">文章</h1> </div></div> <div class="kjkjb"> <div class="bm vw" style="margin-bottom:0;"> <div class="h hm"> <div class="zxtoux"><img src="http://www.oecr.com/uc_server/avatar.php?uid=54876&size=small" /></div> <h1 class="ph">用于加工光学零件的常见材料有哪些？一般根据这些方面对材料进行选择 </h1> <p class="xg1"> 时间：2023-4-10 08:38<a class="zz" href="home.php?mod=space&uid=54876">作者：update</a> 阅读<em id="_viewnum">(1459)</em> 评论: <a href="http://www.oecr.com/portal.php?mod=comment&id=9733&idtype=aid" title="查看全部评论"><em id="_commentnum">5</em></a>来自: 网络平台</p> <div class="zxfb" ><a href="http://www.oecr.com/portal.php?mod=rss&catid=62" class="y xi2 rss" target="_blank" title="RSS">订阅</a></div> </div> <!--[diy=diysummarytop]--><div id="diysummarytop" class="area"></div><!--[/diy]--> <div class="s"> <div class="ss"><div><span>导读： </span>用于加工光学零件的常见材料有哪些？常见用于加工光学零件的材料主要有普通光学玻璃、光学塑料、光学晶体。</div> </div> <!--[diy=diysummarybottom]--><div id="diysummarybottom" class="area"></div><!--[/diy]--> <div class="d"> <!--[diy=diycontenttop]--><div id="diycontenttop" class="area"></div><!--[/diy]--> <table cellpadding="0" cellspacing="0" class="vwtb"><tr><td id="article_content"><div> 用于<a href="http://optics.oecr.com" target="_blank" class="relatedlink">加工</a>光学零件的常见<a href="http://material.oecr.com" target="_blank" class="relatedlink">材料</a>有哪些？常见用于加工光学零件的材料主要有普通光学玻璃、光学塑料、光学<a href="http://material.oecr.com" target="_blank" class="relatedlink">晶体</a>。</div><div><br></div><div> 光学玻璃</div><div><br></div><div> 由于其容易获得高均匀度的良好透过率，成为光学材料领域应用最为广泛的材料之一。其研磨和切削的加工<a href="http://optics.oecr.com" target="_blank" class="relatedlink">工艺</a>成熟，原材料容易获得，且加工成本低廉，容易制造；还可以通过掺杂其他物质，改变其结构性能，可以制备特种玻璃，其熔点较低，光谱透过范围主要集中在可见光和近红外波段范围内。</div><div><br></div><div> 光学塑料</div><div><br></div><div> 它是光学玻璃的重要补充材料，它在近紫外、可见光、近红外波段范围内均具有良好的透过率；其具有成本低、重量轻、成型容易和抗冲击能力强等优点，但因为其热膨胀系数较大，热稳定性差，复杂环境中使用受到限制。</div><div><br></div><div> 光学晶体</div><div><br></div><div> 光学晶体的透光波段范围是比较宽的，在可见、近红外甚至长波红外都有较好的透过率。</div><div><br></div><div> 光学材料的选取对宽波段成像系统的设计起着关键性的作用。在实际的设计过程中，通常根据以下几个方面考虑材料的选择。</div><div><br></div><div> 光学性能</div><div><br></div><div> 1，所选材料必须在该波段具有很高的透过率；</div><div><br></div><div> 2，对于宽波段成像系统，通常选择不同色散特性的材料合理的校正色差。</div><div><br></div><div> 理化性能</div><div><br></div><div> 1，材料的密度、溶解度、硬度都决定透镜的加工工艺的复杂程度和使用特性。</div><div><br></div><div> 2，材料的热膨胀系数是一项重要的指标,系统设计的后期要考虑消热差的问题。</div><div><br></div><div><section microsoft="" yahei",="" simsun;="" margin:="" 0px;="" padding:="" background-color:="" rgb(255,="" 255,="" 255);"="" 255);="" overflow-wrap:="" normal;"="" style="word-wrap: normal; color: rgb(143, 143, 143); font-family: Tahoma, "Microsoft Yahei", Simsun; background-color: rgb(255, 255, 255);"><p style="word-wrap: normal; margin: 0px; padding: 0px 0px 1em; overflow-wrap: normal; border: 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