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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">光学技术微知识：激光诱导击穿光谱 </h1> <p class="xg1"> 时间：2021-8-12 08:07<a class="zz" href="home.php?mod=space&uid=54876">作者：update</a> 阅读<em id="_viewnum">(1615)</em> 评论: <a href="http://www.oecr.com/portal.php?mod=comment&id=9291&idtype=aid" title="查看全部评论"><em id="_commentnum">5</em></a>来自: 网络</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>激光诱导击穿光谱(Laser-Induced Breakdown Spectroscopy, LIBS)也称激光诱导等离子体光谱 (Laser-Induced Plasma Spectroscopy, LIPS)，是一种快速的光谱检测技术。</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> <a href="http://laser.oecr.com" target="_blank" class="relatedlink">激光</a>诱导击穿光谱(Laser-Induced Breakdown Spectroscopy,LIBS)也称激光诱导等离子体光谱(Laser-Induced Plasma Spectroscopy,LIPS)，是一种快速的光谱检测技术。</div><div><br></div><div> 它通过采用高能量密度的激光脉冲聚焦到被测样品靶材表面，从而烧蚀激发产生等离子体,再通过对等离子体中粒子的<a href="http://electronic.oecr.com" target="_blank" class="relatedlink">电子</a>能级跃迁所辐射的特征谱线进行分析，可以得出样品中所含各元素的种类与含量信息。</div><div><br></div><div> 相比于目前常用的元素检测方法,如电感耦合等离子体发射光谱法(Inductively Coupled PlasmaOptical Emission Spectrometry,ICP-OES)电感耦合等离子体质谱法(Inductively Coupled PlasmaMass Spectrometer,ICP-MS),X射线荧光光谱法(X Ray Fluorescence,XRF)、火花直读光谱法(Spark Discharge-Optical Emission Spectroscopy,SD-OES)同等，LIBS技术具有无需样品制备、能同时检测多种元素、可以检测固、液、气三态物质、可远程和在线检测等特点。</div><div><br></div><div> 因此，LIBS技术自1963年问世以来，就引起了各国研究者的广泛关注。LIBS技术的检测能力在实验室环境下已经得到了多次证实。然而,在野外环境或工业现场的实际情况下，需要对LIBS技术提出更高的要求。</div><div><br></div><div> 例如，关于危险的化学物质、放射性物质或其他原因造成的样品的取样或运输困难，或者在狭窄的空间里不便使用庞大的分析设备等一些情况下，实验室光学平台下的LIBS系统就显得无能为力了。</div><div><br></div><div> 对于某些特定的领域，如野外考古、矿产勘查、工业生产现场等，检测的实时性显得更为重要，且需要小型化、便携式的分析设备。</div><div><br></div><div> 因此，为了适应野外作业和工业生产在线检测及样品特性多样化的需求，设备的便携化、抗恶劣环境能力等新特性成为工业应用领域对LIBS技术提出的新的更高的要求，便携式LIBS应运而生了，并得到了各国研究者们的广泛关注。</div><div><br></div><div><div microsoft="" yahei",="" simsun;="" background-color:="" rgb(255,="" 255,="" 255);"="" text-indent:="" 0px;"="" style="overflow-wrap: normal; color: rgb(143, 143, 143); background-color: rgb(255, 255, 255); font-family: 微软雅黑; text-indent: 28px;"><span style="overflow-wrap: 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