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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=61" 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">美国耗时15年 突破中国激光晶体封锁 </h1> <p class="xg1"> 时间：2016-2-17 15:41<a class="zz" href="home.php?mod=space&uid=54876">作者：update</a> 阅读<em id="_viewnum">(1801)</em> 评论: <a href="http://www.oecr.com/portal.php?mod=comment&id=4027&idtype=aid" title="查看全部评论"><em id="_commentnum">7</em></a></p> <div class="zxfb" ><a href="http://www.oecr.com/portal.php?mod=rss&catid=61" 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>美国用了15年，终于突破中国激光晶体封锁。 “这仅仅是深紫外波段仪器应用的开始。”许祖彦透露，项目二期将从物理、化学、材料拓展到信息、资环、生命等领域，开展6台国际领先水平的仪器设备研制工作，继续推动深 ...</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 style="text-align: center;"><a href="data/attachment/portal/201602/17/160152bixxweqxqweerzzr.jpg" target="_blank" style="line-height: 1.8em;"><img src="data/attachment/portal/201602/17/160152bixxweqxqweerzzr.jpg"></a> </div><div> 据相关报道称，2016年2月早些时候，美国APC（先进光学<a href="http://material.oecr.com" target="_blank" class="relatedlink">晶体</a>）公司网站发布声明，宣布该公司与克莱门森大学合作，用15年的时间终于研制出氟代硼铍酸钾晶体（KBBF），这种<a href="http://laser.oecr.com" target="_blank" class="relatedlink">激光</a>晶体能够用于制造深紫外激光器。声明中说，2009年中国开始禁止向国外提供这种具有战略意义的晶体。该公司声明称，他们制造的晶体可以与中国制造的晶体相媲美，在部分关键技术领域超过中国同类<a href="http://material.oecr.com" target="_blank" class="relatedlink">材料</a>。声明中表示，这种晶体将提高美国探测国防威胁的能力，同时也将为科学研究和<a href="http://opticaltest.oecr.com" target="_blank" class="relatedlink">测量</a>技术提供新的能力，这种材料被认为是“游戏规则改变者”。</div><div> KBBF是一种非线性光学晶体材料，它能够将激光转化为史无前例的176<a href="http://material.oecr.com" target="_blank" class="relatedlink">纳米</a>波长（深紫外）激光，从而可以制造出深紫外固体激光器。简单讲，就是可以用最低的材料成本价格，来获得深紫外光源。深紫外激光光源可以用来建造超高分辨率的<a href="http://theory.oecr.com" target="_blank" class="relatedlink">物理</a>探测观测设备，还可能把现有光刻机的精度提升10倍以上，光刻机是制造CPU所必需的。</div><div> 我国最早在1990年发现KBBF晶体，由中国科学院理化所经过15年研究开发成功。它在紫外线波段性能全面优于当时已经发现的任何材料，在世界上引起巨大反响。APC公司透露，中国最初向全世界的研究者开放提供KBBF，但之后出于战略考虑，从2009年起停止了KBBF的对外出口。<span style="line-height: 25.2px;">2013年9月9日，中科院网站公布，我国深紫外固态激光源系列前沿装备日前通过验收，我国成为世界上唯一能够制造实用化深紫外全固态激光器的国家。</span></div><div> 美国在KBBF晶体制造技术方面的追赶就是从2009年开始的，当时美国《自然》杂志曾刊登文章，认为中国禁运KBBF，将对美国相关领域的研究产生严重影响，呼吁美国自主研制KBBF。</div><div> 美国APC公司与克莱门森大学合作多年，终于成为美国国内唯一生产这种战略性材料的<a href="http://b.oecr.com/company" target="_blank" class="relatedlink">企业</a>。APC公司说，他们生产的KBBF已经经过<a href="http://opticaltest.oecr.com" target="_blank" class="relatedlink">测试</a>和评估，展现出可与中国制造的同类<a href="http://b.oecr.com/sell" target="_blank" class="relatedlink">产品</a>相媲美的性能，并且在部分领域有所超越，这将大幅度降低这种材料的成本。不少研究人员喜极而泣，终于拿下了中国同行26年前的研究成果了，它将大大提高美国国防和国土安全威胁探测能力。</div><div> 不过，我国在这个领域并没有坐等美国的赶超。据中科院网站报道，2015年8月，中国福建物构所发现新型无铍深紫外非线性光学晶体材料LSBO。报道说，新发现的LSBO晶体有望成为下一代深紫外非线性光学晶体的优秀候选材料。<span style="line-height: 1.8em;"> </span></div><div><div> KBBF晶体是目前唯一可直接倍频产生深紫外激光的非线性光学晶体，是在非线性光学晶体研究领域中，继硼酸钡、三硼酸锂晶体后的第三个“中国产”非线性光学晶体。</div><div> 关于KBBF晶体基础上制造的深紫外波段激光的应用，文章提到，如今，这8台科学仪器已经在石墨烯、高温超导、拓扑绝缘体、宽禁带<a href="http://sensor.oecr.com" target="_blank" class="relatedlink">半导体</a>和催化剂等研究中获得了重要结果。</div><div> 以深紫外激光光发射<a href="http://electronic.oecr.com" target="_blank" class="relatedlink">电子</a>显微镜（PEEM）为例，目前国际上最先进的光发射电子显微镜空间分辨率最高为20nm，而采用全固态激光器后能提高到3.9nm。中科院大连化物所利用这台仪器开展了石墨烯/Ru（0001）表面插层反应原位观测，为石墨烯等光电子材料发展和应用提供了强有力的研究手段。</div><div> 詹文山透露，目前2mm以下的KBBF晶体已可小批量生产，满足国内市场需求。8台科学仪器中，PEEM正在逐步进行产业化尝试。</div><div> “晶体—光源—装备—科研—产业化，深紫外固态激光源前沿装备研制项目打造了一条自主创新链，涵盖了从提出原创科学思想到实现应用成果这一完整的科学价值链，为学科交叉面广、跨度大、探索性和工程性很强的原创性重大科研装备创新积累了经验，也为中科院各业务管理单元合理分工、深度融合、协力创新提供了典型样本。”白春礼评价道。</div><div>美国耗时15年成功突破中国技术封锁 填补国内空白</div><div> <span style="line-height: 1.8em;">“这仅仅是深紫外波段仪器应用的开始。”许祖彦透露，项目二期将从物理、化学、材料拓展到信息、资环、生命等领域，开展6台国际领先水平的仪器设备研制工作，继续推动深紫外技术的深度开发。</span></div><div> 同时，在一期任务顺利完成基础上，去年中科院理化所联合北京中科科仪等单位，在科技部支持下启动了深紫外仪器设备产业化开发工作，逐步将研制成功的深紫外仪器设备推向市场。</div><div><p style="text-align: center;"><a href="data/attachment/portal/201602/17/155540iv663cr3bw6wypcw.jpg" target="_blank"><img src="data/attachment/portal/201602/17/155540iv663cr3bw6wypcw.jpg"></a></p><p class="MsoNormal" style="text-align: center;"><span style="mso-spacerun:'yes';font-family:宋体;font-size:10.5000pt;mso-font-kerning:0.0000pt;">欢迎关注光电<a href="http://news.oecr.com" target="_blank" class="relatedlink">资讯</a>微信公众号，每天将由光电工程师<a href="http://club.oecr.com" target="_blank" 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</dl><a name="comment_anchor_4095"></a> <dl id="comment_4095_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(4095, '4027');">引用</a> </span> <a href="http://club.oecr.com/space-uid-33870.html" class="xi2 xw1" c="1">hwangchunyu</a> <span class="xg1 xw0">2016-2-18 09:13</span> </dt> <dd>镀膜工程师很辛苦有没有。</dd> </dl><a name="comment_anchor_4081"></a> <dl id="comment_4081_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(4081, '4027');">引用</a> </span> <a href="http://club.oecr.com/space-uid-85857.html" class="xi2 xw1" c="1">xiaozhineng</a> <span class="xg1 xw0">2016-2-18 03:42</span> </dt> <dd>这里评论可以刷光电贝吗？</dd> </dl><a name="comment_anchor_4078"></a> <dl id="comment_4078_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(4078, '4027');">引用</a> </span> <a href="http://club.oecr.com/space-uid-44422.html" class="xi2 xw1" c="1">ysw2005</a> <span class="xg1 xw0">2016-2-18 02:12</span> </dt> <dd>very good ！！</dd> </dl><a name="comment_anchor_4068"></a> <dl id="comment_4068_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(4068, '4027');">引用</a> </span> <a href="http://club.oecr.com/space-uid-62430.html" class="xi2 xw1" c="1">f1602003</a> <span class="xg1 xw0">2016-2-17 21:12</span> </dt> <dd>更新的还算及时。</dd> </dl><a name="comment_anchor_4066"></a> <dl id="comment_4066_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(4066, '4027');">引用</a> </span> <a href="http://club.oecr.com/space-uid-60202.html" class="xi2 xw1" c="1">gd_gx</a> <span class="xg1 xw0">2016-2-17 20:12</span> </dt> <dd>不错！</dd> </dl></div> </div> <!--[diy=diycontentcomment]--><div id="diycontentcomment" 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