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src="static/image/filetype/rar.gif" border="0" class="vm" alt="" /> 光学材料大全.rar</h1> </div> <div class="bm_c xld"> <div class="attbox_right_ad"> </div> <div class="attbox_left"> <ul> <li>打开方式: winrar</li> <li>资料大小: 7.64 KB</li> <li>下载次数: 131</li> <li>上传会员: <a href="attachcenter-list.html?uid=92324" target="_blank" style="color:#FF9900">wlinliu</a></li> <li>上传时间: 2011-01-30</li> <li>本站网址: <a href="http://forum.oecr.com/">forum.oecr.com</a></li> <li><a href="http://bbs.oecr.com/thread-128971-1-1.html" target="_blank">查看资料所在的主题</a></li> <li><a href="http://bbs.oecr.com/forum.php?mod=attachment&aid=NjA1NjR8YWY4NGI3YjB8MTc2NTkyNTY2M3wwfDA%3D" target="_blank" style="color:#FF9900">下载资料 </a></li> </ul> </div> <DIV style="CLEAR: both"></DIV> <b>欢迎下载本站资料，下载前请先登录您的社区账号。</b></div> </div> <DIV style="CLEAR: both"></DIV> <div class="bm cl" style="padding:5px;"> <p><button type="submit" class="pn vm" onclick="setCopy('http://forum.oecr.com/plugin.php?id=attachcenter:page&aid=60564', '链接已经复制到剪贴板');" type="submit"> <em>复制链接推荐给好友</em></button> <input type="text" class="px vm" onclick="this.select();setCopy(this.value, '链接已经复制到剪贴板');" value="http://forum.oecr.com/plugin.php?id=attachcenter:page&aid=60564" size="50" /></p> </div> <div class="bm"> <div class="bm_c xld"> <b>光学材料大全:</b><div class="postmsg"><i class="pstatus"> 本帖最后由 wlinliu 于 2012-1-3 15:15 编辑 </i><br /> <br /> 各种光学材料性能参数、无色光学玻璃类型等等，若需了解更多，请查看附件！<br /> <br /> <br /> <br /> 常用光学塑料-聚甲基丙烯甲酯PMMA<br /> <br /> 密度(kg/m3)：(1.17～1.20)×10E3<br /> nD ν：1.49 57.2～57.8<br /> 透过率(%)：90～92<br /> 吸水率(%)：0.3～0.4<br /> 玻璃化温度：10E5<br /> 熔点（或粘流温度）：160～200<br /> 马丁耐热：68<br /> 热变形温度：74～109(4.6 ×10Pa) 68～99(18.5×10Pa)<br /> 线膨胀系数：(5～9)×10E-5<br /> 计算收缩率(%)：1.5～1.8<br /> 比热J/kgK：1465<br /> 导热系数W/m K：0.167～0.251<br /> 燃烧性m/min：慢<br /> 耐酸性及对盐溶液的稳定性：出强氧化酸外，对弱碱较稳定<br /> 耐碱性：对强碱有侵蚀对弱碱较稳定<br /> 耐油性：对动植物油，矿物油稳定<br /> 耐有机溶剂性：对芳香族，氯化烃等能溶解，醇类脂肪族无影响<br /> 日光及耐气候性：紫外透过滤73.5%<br /> <br /> <br /> 光学晶体主要性能参数<br /> <br /> <br /> 品种 nd nF-nC 透过率/μm τ0.2μm τ5μm<br /> LiF 1.39212 0.00395 0.11-8.00 0.94<br /> MgF2 n0：1.37774<br /> ne：1.38954 0.00355 0.11-9.10 0.85 0.93<br /> <br /> <br /> </div> <div class="postmsg"><img src="static/image/smiley/Tiger/17.gif" smilieid="155" border="0" alt="" /><img src="static/image/smiley/Tiger/18.gif" smilieid="156" border="0" alt="" /><img src="static/image/smiley/Tiger/19.gif" smilieid="157" border="0" alt="" /><img src="static/image/smiley/Tiger/40.gif" smilieid="178" border="0" alt="" /></div> <div class="postmsg"><img src="static/image/smiley/Tiger/05.gif" smilieid="143" border="0" alt="" /><img src="static/image/smiley/Tiger/05.gif" smilieid="143" border="0" alt="" />谢谢楼主的分享！</div> <div class="postmsg">光学材料根本不全，好多名称没有。三片夹具打广千还收费。个人认为不值得购买。</div> <div class="postmsg">改错名了，不要叫大全，叫小介还可以，忽悠人～～</div> <div class="postmsg">为什么浪费了 我的银子没有东西呢<br /> </div> <div class="postmsg">我是初学者，刚接触这个行业，呵呵 ， 来学习下 </div> <div class="postmsg"><img src="static/image/smiley/Tiger/05.gif" smilieid="143" border="0" alt="" /><img src="static/image/smiley/Tiger/05.gif" smilieid="143" border="0" alt="" /><img src="static/image/smiley/Tiger/05.gif" smilieid="143" border="0" alt="" /><img src="static/image/smiley/Tiger/05.gif" smilieid="143" border="0" alt="" /></div> <div class="postmsg">也很奇怪，扣掉了银币，却下不下来。</div> <div class="postmsg">能下载，就是这个大全……好像不能算大全吧……<img src="static/image/smiley/Tiger/05.gif" smilieid="143" border="0" alt="" /></div> <div style="height200px;"></div> <ul class="xl xl2 cl" style="border-top: 1px #cccccc dashed;margin:5px 0 ;padding-top:5px"> <dl><b> 同一主题资料:</b></dl><dl class='icon'><img src="static/image/filetype/rar.gif" border="0" class="vm" alt="" /> <a href="attachcenter-page.html?aid=60564" title="光学材料大全.rar">光学材料大全.rar</a> <font color="#AAAAAA">(7.64 KB)</font> </dl> <dl class='icon'><img src="static/image/filetype/pdf.gif" border="0" class="vm" alt="" /> <a href="attachcenter-page.html?aid=64181" title="三片夹具.pdf">三片夹具.pdf</a> <font color="#AAAAAA">(215.76 KB)</font> </dl> </div> 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