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class="z">电梯直达</label> <input type="text" class="px p_fre z" size="2" onkeyup="$('fj_btn').href='forum.php?mod=redirect&ptid=264844&authorid=0&postno='+this.value" onkeydown="if(event.keyCode==13) {window.location=$('fj_btn').href;return false;}" title="跳转到指定楼层" /> <a href="javascript:;" id="fj_btn" class="z" title="跳转到指定楼层"><img src="static/image/common/fj_btn.png" alt="跳转到指定楼层" class="vm" /></a> </div> <strong> <a href="http://bbs.oecr.com/thread-264844-1-1.html" id="postnum1136262" onclick="setCopy(this.href, '帖子地址复制成功');return false;"> <em>1</em>楼</a> </strong> <div class="pti"> <div class="pdbt"> </div> <div class="authi"> <img class="authicn vm" id="authicon1136262" src="static/image/common/online_member.gif" /> <em id="authorposton1136262">发表于 2014-11-24 15:18:02</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=264844&page=1&authorid=128858" rel="nofollow">只看该作者</a> <span class="none"><img src="static/image/common/arw_r.gif" class="vm" alt="回帖奖励" /></span> <span class="pipe show">|</span><a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=264844&extra=page%3D1&ordertype=1" class="show">倒序浏览</a> <span class="pipe show">|</span><a href="javascript:;" onclick="readmode($('thread_subject').innerHTML, 1136262);" class="show">阅读模式</a> </div> </div> </div><div class="pct"><style type="text/css">.pcb{margin-right:0}</style><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1136262"> 太赫兹射线（THz射线），是指频率在0.1-10THz（波长在0.03-3mm），介于微波与红外之间的电磁波。在微波、可见光、红外光等技术广泛应用的情况下，太赫兹技术发展滞后的主要原因在于缺少发生器和探测器。瑞士Rainbow Photonics公司的有机太赫兹<a href="http://material.oecr.com" target="_blank" class="relatedlink">晶体</a>DAST OH1 DSTMS可以实现高效的太赫兹发生和探测。<br /> <br /> 太赫兹光谱技术，是利用飞秒脉冲，产生并探测时间分辨的太赫兹电场，通过傅立叶变换获得被测物质的光谱信息。生物大分子特征基团的共振频率在太赫兹 波段，利用该技术可以对物质结构、物质特性进行判别和分析。太赫兹成像技术，是利用THz射线照射被测物质，通过透射方式或反射方式获取物质的特性信 息，进而成像。THz成像技术可以分为脉冲成像技术和连续成像技术。<br /> 新势力光电 www.newopto.com<br /> <br /> 太赫兹独特的性能：太赫兹频率高，其空间分辨率很高。太赫兹脉冲短，其时间分辨率高。太赫兹能量小，其比X射线更具优势（不会对物质产生破坏作用）。太赫兹应用：宽带<a href="http://ofc.oecr.com" target="_blank" class="relatedlink">通信</a>、雷达、<a href="http://electronic.oecr.com" target="_blank" class="relatedlink">电子</a>对抗、电磁武器、天文学、医学成像、无损检测、安全检查。同时，生物大分子的振动、转动特征基团的共振频率在太赫兹波段，因此太赫兹在粮食选种、菌种选择等农业和食品<a href="http://optics.oecr.com" target="_blank" class="relatedlink">加工</a>行业有着良好的应用前景。<br /> <br /> 举例，太赫兹安防检测，THz射线的透射性和其对金属物质的高反射性，很容易检测到隐藏在包装物中的刀具、枪械、炸药、毒品等物品。太赫兹环境监测，THz射线能够被大气层中的水、氧气、氮化物等物质吸收，可以用于对大气中气体含量及成分监测。太赫兹生物医学，THz射线是生物大分子（如DNA）特征基团的共振频率，用于在蛋白质等生物大分子无标志识别。太赫兹天文观测，THz射线是星际大气分子的特征谱，与行星和小星体的大气动力学相关联，在天文学研究中占有重要的地位。太赫兹无线通信，THz射线可以获得10GB/s的无线传输速度，其速度比当前的超宽带技术快几百至一千多倍。太赫兹雷达探测，THz射线可以穿透墙壁、木材等<a href="http://material.oecr.com" target="_blank" class="relatedlink">材料</a>，人体中的水分对其进行吸收，透过墙壁可以侦查屋内人员的分布和活动。太赫兹生命探测，干燥的泥土可以透过THz射线，地雷会把THz射线反射回来，可以用于排雷装置中。瑞士Rainbow Photonics公司的太赫兹时域光谱仪、太赫兹成像系统可以用于实现上述应用。<br /> <br /> 更多<a href="http://news.oecr.com" target="_blank" class="relatedlink">资讯</a>，尽在新势力光电： <br /> 邮箱：<a href="mailto:Sales@NewOpto.com">Sales@NewOpto.com</a> <br /> 手机：188-5711-5252 <br /> 电话：0571-8515271<br /> <br /> <br /> <br /> <font size="2"><font color="gray"> <img id="aimg_McYXo" onclick="zoom(this, this.src, 0, 0, 0)" class="zoom" file="http://bbs.oecr.com/xwb/images/bgimg/icon_logo.png" onmouseover="img_onmouseoverfunc(this)" lazyloadthumb="1" border="0" alt="" /> 该贴已经同步到 newopto的微博</font></font></td></tr></table> <div class="ptg mbm mtn"> <a title="空间分辨率" href="misc.php?mod=tag&id=5627" target="_blank">空间分辨率</a>, <a title="无损检测" href="misc.php?mod=tag&id=6251" target="_blank">无损检测</a>, <a title="Rainbow" href="misc.php?mod=tag&id=5296" target="_blank">Rainbow</a>, <a title="探测器" href="misc.php?mod=tag&id=177" target="_blank">探测器</a>, <a title="电磁波" href="misc.php?mod=tag&id=3174" target="_blank">电磁波</a></div> </div> <div id="comment_1136262" class="cm"> </div> <div id="post_rate_div_1136262"></div> </div> </div> </td></tr> 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