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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">光束质量在实际应用中的重要性 </h1> <p class="xg1"> 时间：2022-3-18 09:54<a class="zz" href="home.php?mod=space&uid=54876">作者：update</a> 阅读<em id="_viewnum">(1453)</em> 评论: <a href="http://www.oecr.com/portal.php?mod=comment&id=9460&idtype=aid" title="查看全部评论"><em id="_commentnum">5</em></a></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>光束质量是衡量激光光束的聚焦程度，在光电的实际工作中我们经常会遇到关于光束质量等问题。今天跟大家简单聊聊关于光束质量的重要性问题。</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> 光束质量是衡量<a href="http://laser.oecr.com" target="_blank" class="relatedlink">激光</a>光束的聚焦程度，在光电的实际工作中我们经常会遇到关于光束质量等问题。今天跟大家简单聊聊关于光束质量的重要性问题。</p><p><br></p><p> 当需要紧聚焦光束时，高的光束质量非常必要。在激光<a href="http://material.oecr.com" target="_blank" class="relatedlink">材料</a><a href="http://optics.oecr.com" target="_blank" class="relatedlink">加工</a>、印刷、标记、切割和钻探中需要很高的光束质量，而焊接和其它表面处理则相对不太需要很高的光束质量，因为它们采用的光斑较大，因此可以采用光束质量稍差的高功率激光二极管。</p><p><br></p><p> 激光切割和远程焊接中，需要光束质量相对较高（M2值不要大于10）用于较大工作距离（也就是工件与聚焦目标之间距离），这样是为了保护光学元件避免烟雾和损伤。在光束传输系统中，光束质量高可以减小光束直径，这样可以采用更小更便宜的光学元件（例如，镜子和棱镜）。还有，增大有效瑞利长度（给定光斑大小）可以提高纵向对准允差。</p><p><br></p><p> 光束质量高可以允许工作距离比较大，这在设计二极管泵浦激光器时也非常重要，因为泵浦光束在进入激光器<a href="http://material.oecr.com" target="_blank" class="relatedlink">晶体</a>前需要通过很多光学元件（例如，二向色镜）。干涉仪、光学数据记录、激光显微镜等类似领域通常需要很高的光束质量（近于衍射极限）和高空间相干性。锁模激光器需要具有很高的光束质量，因为高阶纵向模式的激发会干扰脉冲形成过程。</p><p><br></p><p> 由于光束质量的重要性，对其检测越来越受到很多人的关注。市场上也有很多关于光束质量检测的仪器，光研科技自主研发的光斑分析仪可实现激光光斑检测及<a href="http://opticaltest.oecr.com" target="_blank" class="relatedlink">测试</a>应用。为客户提供定制光束质量分析一体化设计解决方案，并支持多应用开发。</p><p><br></p><p style="text-align: center;"><a href="data/attachment/portal/202203/18/095158immnnlj0xddhltm1.png" target="_blank"><img src="data/attachment/portal/202203/18/095158immnnlj0xddhltm1.png"></a></p><p style="text-align: center;"><br></p><p> 通过光束分析装置一体化设计，配套衰减方案设计，可测直径低至40um光斑，支持实时曝光及增益调节。该系统可以对连续可见激光光斑进行采样，分析得到激光光斑中心，半径，椭圆比等，并对光强能量场进行二维和三维<a href="http://display.oecr.com" target="_blank" class="relatedlink">显示</a>。</p><p><br></p><p style="text-align: center;"><a href="data/attachment/portal/202203/18/095202n9hlljzl11oa6t28.png" target="_blank"><img src="data/attachment/portal/202203/18/095202n9hlljzl11oa6t28.png"></a></p><p> 可广泛用于需要对激光光斑形状进行检测得场合，如激光生产，维护以及激光应用。也常用于光学器件质量检查，激光腔镜调整，外光路准直，光纤对准耦合分析等。目前已作为成熟<a href="http://b.oecr.com/sell" target="_blank" class="relatedlink">产品</a>在市场推广，性价比很高，获得大量客户认同。</p><p><br></p><p> 如果您想了解这款仪器请扫扫下面的二维码进行咨询！</p><p><br></p><p style="text-align: center;"><a href="data/attachment/portal/202203/18/095341k1u8mwc88xqw6qrx.png" target="_blank"><img src="data/attachment/portal/202203/18/095341k1u8mwc88xqw6qrx.png"></a></p><p style="text-align: center;"><br></p><p style="margin: 0px; padding: 0px; color: rgb(143, 143, 143); text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: Tahoma, " microsoft="" yahei",="" simsun;="" font-size:="" 16px;="" font-style:="" normal;="" font-weight:="" 400;="" word-spacing:="" 0px;="" white-space:="" orphans:="" 2;="" widows:="" background-color:="" rgb(255,="" 255,="" 255);="" -webkit-text-stroke-width:="" overflow-wrap:="" 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