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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=57" 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">太赫兹量子级联激光器迎来突破性进展！ </h1> <p class="xg1"> 时间：2024-1-5 08:44<a class="zz" href="home.php?mod=space&uid=54876">作者：update</a> 阅读<em id="_viewnum">(449)</em> 评论: <a href="http://www.oecr.com/portal.php?mod=comment&id=9942&idtype=aid" title="查看全部评论"><em id="_commentnum">5</em></a>来自: OFWEEK</p> <div class="zxfb" ><a href="http://www.oecr.com/portal.php?mod=rss&catid=57" 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>随着太赫兹（THz）量子级联激光器（QCL）突破性组件的开发，激光技术领域取得了巨大的飞跃。</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"><p style="margin: 0px; padding: 0px 0px 1em; border: 0px; line-height: 2; text-indent: 2em; font-family: PingFangSC-Regular; font-size: 16px; background-color: rgb(255, 255, 255);">随着太赫兹（THz）<span class="hrefStyle" style="margin: 0px; padding: 0px;">量子级联<a href="http://laser.oecr.com" target="_blank" class="relatedlink">激光</a>器</span>（QCL）突破性组件的开发，<span class="hrefStyle" style="margin: 0px; padding: 0px;">激光技术</span>领域取得了巨大的飞跃。</p><p style="margin: 0px; padding: 0px 0px 1em; border: 0px; line-height: 2; text-indent: 2em; font-family: PingFangSC-Regular; font-size: 16px; background-color: rgb(255, 255, 255);">而近日，国外一组研究人员成功设计了一种宽带单片外耦器，有望重新定义太赫兹量子<span class="hrefStyle" style="margin: 0px; padding: 0px;">激光器</span>的应用与性能，为该领域带来更为广阔的发展前景。</p><p style="margin: 0px; padding: 0px 0px 1em; border: 0px; line-height: 2; text-indent: 2em; font-family: PingFangSC-Regular; font-size: 16px; background-color: rgb(255, 255, 255);"><strong style="margin: 0px; padding: 0px; letter-spacing: 0px; font-family: PingFangSC-Semibold; line-height: 30px;">波导设计的一种新方法</strong></p><p style="margin: 0px; padding: 0px 0px 1em; border: 0px; line-height: 2; text-indent: 2em; font-family: PingFangSC-Regular; font-size: 16px; background-color: rgb(255, 255, 255);">新的输出耦合器是基于平面双金属波导构建的，其设计专为解决太赫兹量子<span class="hrefStyle" style="margin: 0px; padding: 0px;">激光</span>器中的长期挑战，如反射率设计和宽带窄波束发射。该耦合器的显著特点是其微调波导反射镜反射率的能力，研究人员通过使用有效的反设计算法来塑造端面，从而实现了这一能力。</p><p style="margin: 0px; padding: 0px 0px 1em; border: 0px; line-height: 2; text-indent: 2em; font-family: PingFangSC-Regular; font-size: 16px; background-color: rgb(255, 255, 255);"><strong style="margin: 0px; padding: 0px; letter-spacing: 0px; font-family: PingFangSC-Semibold; line-height: 30px;">集成宽带贴片阵列天线</strong></p><p style="margin: 0px; padding: 0px 0px 1em; border: 0px; line-height: 2; text-indent: 2em; font-family: PingFangSC-Regular; font-size: 16px; background-color: rgb(255, 255, 255);">该系统生成的太赫兹激光辐射与宽带贴片阵列天线紧密结合，这种元件的结合使表面发射更容易。整个系统（包括其所有组件），都经过优化，以支持2-4太赫兹范围内的八度跨度光谱。</p><p style="margin: 0px; padding: 0px 0px 1em; border: 0px; line-height: 2; text-indent: 2em; font-family: PingFangSC-Regular; font-size: 16px; background-color: rgb(255, 255, 255);"><strong style="margin: 0px; padding: 0px; letter-spacing: 0px; font-family: PingFangSC-Semibold; line-height: 30px;">革命性的激光频率梳</strong></p><p style="margin: 0px; padding: 0px 0px 1em; border: 0px; line-height: 2; text-indent: 2em; font-family: PingFangSC-Regular; font-size: 16px; background-color: rgb(255, 255, 255);">这些进步已经在宽带表面发射太赫兹量子级联激光频率梳的演示中得到了实际应用。这种特殊的激光频率梳已经展现出了卓越的性能。它的输出功率高达13毫瓦(mW)，光带宽超过800千兆赫(GHz)，且具有单瓣远场模式。此外，它在水平和垂直方向上的光束发散都小于20°。</p><p style="margin: 0px; padding: 0px 0px 1em; border: 0px; line-height: 2; text-indent: 2em; font-family: PingFangSC-Regular; font-size: 16px; background-color: rgb(255, 255, 255);">这项研究成果在太赫兹参数发生器（is-TPG）的非线性相位匹配条件下发挥了关键作用，成功观察到级联方式产生的太赫兹波。研究人员通过使用高功率种子光束有效触发级联，从而在端面附近探测到新的高阶太赫兹波。</p><p style="margin: 0px; padding: 0px 0px 1em; border: 0px; line-height: 2; text-indent: 2em; font-family: PingFangSC-Regular; font-size: 16px; background-color: rgb(255, 255, 255);">这一进步在太赫兹波源、参数检测和放大领域具有里程碑意义。它不仅显著提升了太赫兹源的输出功率，还为参数太赫兹波产生的<a href="http://theory.oecr.com" target="_blank" class="relatedlink">理论</a>探索开辟了新途径。这一重大突破，标志着激光技术领域的巨大进步，为太赫兹应用开辟了全新的可能性。</p><section microsoft="" yahei",="" simsun;="" margin:="" 0px;="" padding:="" background-color:="" rgb(255,="" 255,="" 255);"="" 255);="" overflow-wrap:="" normal;"="" simsun;"="" style="word-wrap: normal; color: 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class="xg1 xw0">2024-1-5 10:14</span> </dt> <dd>妥妥的支持！</dd> </dl><a name="comment_anchor_34137"></a> <dl id="comment_34137_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(34137, '9942');">引用</a> </span> <a href="http://club.oecr.com/space-uid-73677.html" class="xi2 xw1" c="1">sk-uu</a> <span class="xg1 xw0">2024-1-5 09:44</span> </dt> <dd>学习下</dd> </dl><a name="comment_anchor_34136"></a> <dl id="comment_34136_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(34136, '9942');">引用</a> </span> <a href="http://club.oecr.com/space-uid-54858.html" class="xi2 xw1" c="1">zhanlanlan</a> <span class="xg1 xw0">2024-1-5 09:14</span> </dt> <dd>顶下，挺好的。</dd> </dl><a name="comment_anchor_34135"></a> <dl id="comment_34135_li" class="ptm pbm bbda cl"> <dt class="mbm"> <span class="y xw0 xi2"> <a href="javascript:;" onclick="portal_comment_requote(34135, 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