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href="javascript:;"><img src="template/focaloptics/image/control_l.png" alt="收起左侧" class="vm" /></a> </span> <h1 class="ts"> <a href="http://bbs.oecr.com/forum.php?mod=forumdisplay&fid=7&filter=typeid&typeid=138">[技术]</a> <span id="thread_subject">大家帮我推荐一款激光器啊！</span> </h1> <span class="xg1"> <img src="static/image/common/hot_3.gif" alt="" title="热度: 251" /> <a href="http://bbs.oecr.com/thread-117481-1-1.html" onclick="return copyThreadUrl(this, '光电工程师社区')" >[复制链接]</a> </span> </td> </tr> </table> <table cellspacing="0" cellpadding="0" class="ad"> <tr> <td class="pls"> </td> <td class="plc"> </td> </tr> </table><div class="postaaa posta0" id="post_699826" ><table id="pid699826" class="plhin" summary="pid699826" cellspacing="0" cellpadding="0"> <tr> <td class="pls" rowspan="2"> <div id="favatar699826" class="pls favatar"> <a name="lastpost"></a><div class="pi"> <div class="authi"><a href="http://club.oecr.com/space-uid-82516.html" target="_blank" class="xw1" style="color: #FF00CC">sinostudio</a> </div> </div> <div class="p_pop blk bui card_gender_" id="userinfo699826" style="display: none; margin-top: -11px;"> <div class="m z"> <div id="userinfo699826_ma"></div> </div> <div class="i y"> <div> <strong><a href="http://club.oecr.com/space-uid-82516.html" target="_blank" class="xi2" style="color: #FF00CC">sinostudio</a></strong> <em>当前离线</em> </div><dl class="cl"> <dt>积分</dt><dd><a href="http://club.oecr.com/home.php?mod=space&uid=82516&do=profile" target="_blank" class="xi2">3045</a></dd> </dl><div class="imicn"> <a href="http://club.oecr.com/home.php?mod=space&uid=82516&do=profile" target="_blank" title="查看详细资料"><img src="static/image/common/userinfo.gif" alt="查看详细资料" /></a> <a href="http://club.oecr.com/home.php?mod=magic&mid=showip&idtype=user&id=sinostudio" id="a_showip_li_699826" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/showip.small.gif" alt="" /> IP卡</a> <a 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</div> <strong> <a href="http://bbs.oecr.com/thread-117481-1-1.html" id="postnum699826" 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="authicon699826" src="static/image/common/online_member.gif" /> <em id="authorposton699826">发表于 2010-12-15 09:50:44</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=117481&page=1&authorid=82516" 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=117481&extra=&ordertype=2" class="show">正序浏览</a> <span class="pipe show">|</span><a href="javascript:;" onclick="readmode($('thread_subject').innerHTML, 699826);" 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_699826"> 最近项目上需要一款<a href="http://laser.oecr.com" target="_blank" class="relatedlink">激光</a>器，作指示用。波长：400-1000，功率>100mw,最主要的是要求发散角小，大家看看有什么合适的激光器啊？</td></tr></table> </div> <div id="comment_699826" class="cm"> </div> <div id="post_rate_div_699826"></div> </div> </div> </td></tr> <tr><td class="plc plm"> <div id="p_btn" class="mtw mbm hm cl"> <a href="http://club.oecr.com/home.php?mod=spacecp&ac=favorite&type=thread&id=117481&formhash=eb2e3fd7" id="k_favorite" onclick="showWindow(this.id, this.href, 'get', 0);" onmouseover="this.title = $('favoritenumber').innerHTML + ' 人收藏'" title="收藏本帖"><i><img src="static/image/common/fav.gif" alt="收藏" />收藏<span id="favoritenumber">1</span></i></a> <a class="followp" href="home.php?mod=spacecp&ac=follow&op=relay&tid=117481&from=forum" onclick="showWindow('relaythread', this.href, 'get', 0);" title="转播求扩散"><i><img src="static/image/common/rt.png" alt="转播" 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href="http://club.oecr.com/home.php?mod=magic&mid=showip&idtype=user&id=garycx%40126.com" id="a_showip_li_1108802" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/showip.small.gif" alt="" /> IP卡</a> <a href="http://club.oecr.com/home.php?mod=magic&mid=checkonline&idtype=user&id=garycx%40126.com" id="a_repent_1108802" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/checkonline.small.gif" alt="" /> 狗仔卡</a> </div> <div id="avatarfeed"><span id="threadsortswait"></span></div> </div> </div> <div> <div class="avatar"><a href="http://club.oecr.com/space-uid-157621.html" class="avtm" target="_blank"><img src="http://www.oecr.com/uc_server/avatar.php?uid=157621&size=middle" /></a></div> </div> </div> </td> <td class="plc"> <div class="pi"> <strong> <a href="http://bbs.oecr.com/forum.php?mod=redirect&goto=findpost&ptid=117481&pid=1108802" id="postnum1108802" onclick="setCopy(this.href, '帖子地址复制成功');return false;"> <em>44</em>楼</a> </strong> <div class="pti"> <div class="pdbt"> </div> <div class="authi"> <img class="authicn vm" id="authicon1108802" src="static/image/common/online_member.gif" /> <em id="authorposton1108802">发表于 2014-1-2 19:29:07</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=117481&page=1&authorid=157621" rel="nofollow">只看该作者</a> </div> </div> </div><div class="pct"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_1108802"> 您好，很高兴认识您，我是鹏南电子公司的许先生，公司是一家专业做半导体致冷片的厂家，是国内最优秀半导体制冷器厂家之一。有时间您可以登录我公司网站看看，需要进一步的资料请您联系我，希望有机会与您认识，方便的话您可以拨我电话，或者加我QQ或者邮件联系，谢谢～<br /> 公司简介：鹏南科技坐落在福建省厦门火炬高新区（翔安）产业区，。 公司主营各种电子元器件、半导体致冷片、半导体致冷器、半导体空调机、电子专用材料和相关设备、测试仪器、模具及相关的技术咨询服务。 公司拥有专业的团队、雄厚的技术、先进的工艺、现代化的设备和高效的管理模式，致力于为客户提供先进、完善、定制化的热管理和温差发电等解决方案。 公司拥有5 条半导体致冷片生产线和 5条热电整机生产线，具备年产300 万片致冷片和 3万台热电组件的生产能力。 公司提供的所有产品均符合 RoHS和REACH要求。<br /> 许 青 Gary Xu<br /> Mobile: +86-13823155770 <br /> E-mail: <a href="mailto:qing.xu@pengnantech.com">qing.xu@pengnantech.com</a><br /> <a href="mailto:garycx@126.com">garycx@126.com</a> <br /> QQ:36841419<br /> </td></tr></table> </div> <div id="comment_1108802" class="cm"> </div> <div id="post_rate_div_1108802"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr id="_postposition1108802"></tr> <tr> <td class="pls"></td> <td class="plc" style="overflow:visible;"> <div class="po hin"> <div class="pob cl"> <em> <a class="fastre" href="forum.php?mod=post&action=reply&fid=7&tid=117481&repquote=1108802&extra=&page=1" onclick="showWindow('reply', this.href)">回复</a> <a class="replyadd" href="forum.php?mod=misc&action=postreview&do=support&tid=117481&pid=1108802&hash=eb2e3fd7" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_support_1108802').innerHTML ? $('review_support_1108802').innerHTML : 0) + ' 人 支持'">支持 <span id="review_support_1108802"></span></a> <a class="replysubtract" 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href="http://bbs.oecr.com/forum.php?mod=redirect&goto=findpost&ptid=117481&pid=716199" id="postnum716199" onclick="setCopy(this.href, '帖子地址复制成功');return false;"> <em>43</em>楼</a> </strong> <div class="pti"> <div class="pdbt"> </div> <div class="authi"> <img class="authicn vm" id="authicon716199" src="static/image/common/ico_lz.png" /> 楼主<span class="pipe">|</span> <em id="authorposton716199">发表于 2010-12-28 09:12:48</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=117481&page=1&authorid=82516" rel="nofollow">只看该作者</a> </div> </div> </div><div class="pct"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_716199"> 了解，谢谢！<br /> 不过，这个项目上不太合适，客户说了不考虑气体的1<br /> 我们现在初步的方案已经有了，等做了实验给关心的各位一个答复！</td></tr></table> </div> <div id="comment_716199" class="cm"> </div> <div id="post_rate_div_716199"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr id="_postposition716199"></tr> <tr> <td class="pls"></td> <td class="plc" style="overflow:visible;"> <div class="po hin"> <div class="pob cl"> <em> <a class="fastre" href="forum.php?mod=post&action=reply&fid=7&tid=117481&repquote=716199&extra=&page=1" onclick="showWindow('reply', this.href)">回复</a> <a class="replyadd" href="forum.php?mod=misc&action=postreview&do=support&tid=117481&pid=716199&hash=eb2e3fd7" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_support_716199').innerHTML ? $('review_support_716199').innerHTML : 0) + ' 人 支持'">支持 <span id="review_support_716199"></span></a> <a class="replysubtract" href="forum.php?mod=misc&action=postreview&do=against&tid=117481&pid=716199&hash=eb2e3fd7" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_against_716199').innerHTML ? $('review_against_716199').innerHTML : 0) + ' 人 反对'">反对 <span id="review_against_716199"></span></a> </em> <p> <a href="javascript:;" id="mgc_post_716199" 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href="http://club.oecr.com/space-uid-108498.html" target="_blank" class="xw1" style="color: #0033CC">pandatp09</a> </div> </div> <div class="p_pop blk bui card_gender_" id="userinfo716093" style="display: none; margin-top: -11px;"> <div class="m z"> <div id="userinfo716093_ma"></div> </div> <div class="i y"> <div> <strong><a href="http://club.oecr.com/space-uid-108498.html" target="_blank" class="xi2" style="color: #0033CC">pandatp09</a></strong> <em>当前离线</em> </div><dl class="cl"> <dt>积分</dt><dd><a href="http://club.oecr.com/home.php?mod=space&uid=108498&do=profile" target="_blank" class="xi2">73</a></dd> </dl><div class="imicn"> <a href="http://club.oecr.com/home.php?mod=space&uid=108498&do=profile" target="_blank" title="查看详细资料"><img src="static/image/common/userinfo.gif" alt="查看详细资料" /></a> <a href="http://club.oecr.com/home.php?mod=magic&mid=showip&idtype=user&id=pandatp09" id="a_showip_li_716093" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/showip.small.gif" alt="" /> IP卡</a> <a href="http://club.oecr.com/home.php?mod=magic&mid=checkonline&idtype=user&id=pandatp09" id="a_repent_716093" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/checkonline.small.gif" alt="" /> 狗仔卡</a> </div> <div id="avatarfeed"><span id="threadsortswait"></span></div> </div> </div> <div> <div class="avatar"><a href="http://club.oecr.com/space-uid-108498.html" class="avtm" target="_blank"><img src="http://www.oecr.com/uc_server/avatar.php?uid=108498&size=middle" /></a></div> </div> </div> </td> <td class="plc"> <div class="pi"> <strong> <a href="http://bbs.oecr.com/forum.php?mod=redirect&goto=findpost&ptid=117481&pid=716093" id="postnum716093" onclick="setCopy(this.href, '帖子地址复制成功');return false;"> <em>42</em>楼</a> </strong> <div class="pti"> <div class="pdbt"> </div> <div class="authi"> <img class="authicn vm" id="authicon716093" src="static/image/common/online_member.gif" /> <em id="authorposton716093">发表于 2010-12-27 22:22:16</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=117481&page=1&authorid=108498" rel="nofollow">只看该作者</a> </div> </div> </div><div class="pct"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_716093"> <strong>回复 <a href="http://bbs.oecr.com/forum.php?mod=redirect&goto=findpost&pid=699826&ptid=117481" target="_blank"><font color="Olive">sinostudio</font> 的帖子</a></strong><br /> <br /> <img id="aimg_ecXvG" onclick="zoom(this, this.src, 0, 0, 0)" class="zoom" file="http://www.lamdapacific.com/uploadImages/Pic2007021437111.jpg" onmouseover="img_onmouseoverfunc(this)" lazyloadthumb="1" border="0" alt="" /><br /> <br /> 半导体激光器与氦氖激光器的比较<br /> <br /> <br /> 总体来讲，红光半导体激光器与氦氖激光器相比各有其优势和劣势。本文对氦氖激光器与半导体激光的优缺点进行一些简述，希望对不同应用的客户在选择激光器时产生些许帮助。<br /> <br /> 半导体激光器对比于氦氖激光器的主要优势在于：<br /> 1、价格便宜，2、体积小；3可以做高速调制，4，功率可以很方便的进行各种调制，5，功率可控<br /> <br /> 氦氖激光器相对于半导体激光器的主要优势在于：<br /> 1，优质的光束质量；2、良好的功率稳定性；3、激光参数（波长、光斑直径，发散角、光斑能量分布）一致性好。<br /> <br /> <br /> <br /> 1，632.8nm红光输出<br /> <br /> Melles Griot公司提供各种波长输出的HeNe激光器，但应用最广还是红光632.8nm谱线输出。这种激光器被广泛用于建筑和锯木厂等的准直画线方面。其寿命可达50,000小时。因其极高的信噪比，较高功率的（例如35mW）输出则被用于拉曼光谱仪，快速扫描等方面。极为稳定的单模输出和长达数公里的相干长度使其成为精确测量，波长校准等应用的理想光源。符合Class II激光安全标准的HeNe激光器（功率小于0.95mW），则被广泛用于激光指示，准直及教学应用等对激光安全要求非常高的领域<br /> <br /> 2，绿光输出 （543.5nm）<br /> <br /> 根据视见函数，对于同样功率的输出，人类的眼睛对绿色激光要比红色激光敏感5倍以上。因此绿光在激光准直和激光指示方面有着天然的优势。另由于543.5nm比较靠近某些荧光染料，试剂和薄膜的吸收峰，所以这种激光器也被广泛用于生物科学，血细胞计数，显微设备等领域<br /> <br /> 3，黄光输出（594.1nm）<br /> <br /> 由于594.1nm和钠光谱“d”和“D”线比较接近，所以非常适合用于光学工业的参考光谱,另外其还可以配合几种荧光染料一起应用.<br /> <br /> <br /> 4,橙光输出(611.9nm)<br /> <br /> 人眼对橙光(611.9)输出比同功率的红光激光要敏感35%，这样会避免提高红光功率而造成的激光安全方面的影响。<br /> <br /> 5,红外输出(1523nm)<br /> <br /> 因为此波长非常接近于光通讯波长, 所以此波长的HeNe激光器是光纤检测方面的理想光源.<br /> <br /> </td></tr></table> </div> <div id="comment_716093" class="cm"> </div> <div id="post_rate_div_716093"></div> </div> </div> </td></tr> <tr><td 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cellpadding="0"> <tr> <td class="pls" rowspan="2"> <div id="favatar713556" class="pls favatar"> <div class="pi"> <div class="authi"><a href="http://club.oecr.com/space-uid-79403.html" target="_blank" class="xw1" style="color: #FFCCCC">贾洁</a> </div> </div> <div class="p_pop blk bui card_gender_" id="userinfo713556" style="display: none; margin-top: -11px;"> <div class="m z"> <div id="userinfo713556_ma"></div> </div> <div class="i y"> <div> <strong><a href="http://club.oecr.com/space-uid-79403.html" target="_blank" class="xi2" style="color: #FFCCCC">贾洁</a></strong> <em>当前离线</em> </div><dl class="cl"> <dt>积分</dt><dd><a href="http://club.oecr.com/home.php?mod=space&uid=79403&do=profile" target="_blank" class="xi2">517</a></dd> </dl><div class="imicn"> <a href="http://club.oecr.com/home.php?mod=space&uid=79403&do=profile" target="_blank" title="查看详细资料"><img src="static/image/common/userinfo.gif" alt="查看详细资料" /></a> <a 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<div class="pti"> <div class="pdbt"> </div> <div class="authi"> <img class="authicn vm" id="authicon713556" src="static/image/common/online_member.gif" /> <em id="authorposton713556">发表于 2010-12-24 09:13:21</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=117481&page=1&authorid=79403" rel="nofollow">只看该作者</a> </div> </div> </div><div class="pct"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_713556"> <a href="http://www.crystalaser.com" target="_blank">www.crystalaser.com</a> 看看！<br /> <br /> 西安聚星光电技术有限公司<br /> MOBILE:15802915003<br /> TEL:029-88248233-8037<br /> FAX:029-88227252<br /> 地址：西安市电子一路18号西部电子商城软件公寓C座1807室 <br /> Web: <a href="http://www.gatherstar.com" target="_blank">http://www.gatherstar.com</a><br /> <br /> <br /> 聚星公司代理光电产品：<br /> 1) 固体激光器、光纤激光器、高功率半导体激光器、二极管等<br /> 2) Judson、EOS、VIGO、InfraRed等探测器、<br /> 3) 小尺寸、军标温度、高防护性的各种增量式编码器、绝对式编码器<br /> 4) 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href="http://bbs.oecr.com/forum.php?mod=redirect&goto=findpost&ptid=117481&pid=713358" id="postnum713358" onclick="setCopy(this.href, '帖子地址复制成功');return false;"> <em>40</em>楼</a> </strong> <div class="pti"> <div class="pdbt"> </div> <div class="authi"> <img class="authicn vm" id="authicon713358" src="static/image/common/ico_lz.png" /> 楼主<span class="pipe">|</span> <em id="authorposton713358">发表于 2010-12-23 17:54:57</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=117481&page=1&authorid=82516" rel="nofollow">只看该作者</a> </div> </div> </div><div class="pct"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_713358"> 什么波长？？单模光纤耦合能出多少？？</td></tr></table> </div> <div id="comment_713358" class="cm"> </div> <div id="post_rate_div_713358"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr id="_postposition713358"></tr> <tr> <td class="pls"></td> <td class="plc" 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</ul> <script type="text/javascript" reload="1">checkmgcmn('post_713260')</script> </div> </div> </td> </tr> <tr class="ad"> <td class="pls"> </td> <td class="plc"> </td> </tr> </table> </div><div class="postaaa posta7" id="post_712301" ><table id="pid712301" class="plhin" summary="pid712301" cellspacing="0" cellpadding="0"> <tr> <td class="pls" rowspan="2"> <div id="favatar712301" class="pls favatar"> <div class="pi"> <div class="authi"><a href="http://club.oecr.com/space-uid-56855.html" target="_blank" class="xw1" style="color: #FFCCCC">laser63588</a> </div> </div> <div class="p_pop blk bui card_gender_" id="userinfo712301" style="display: none; margin-top: -11px;"> <div class="m z"> <div id="userinfo712301_ma"></div> </div> <div class="i y"> <div> <strong><a href="http://club.oecr.com/space-uid-56855.html" target="_blank" class="xi2" style="color: #FFCCCC">laser63588</a></strong> <em>当前离线</em> </div><dl class="cl"> <dt>积分</dt><dd><a 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src="http://www.oecr.com/uc_server/avatar.php?uid=56855&size=middle" /></a></div> </div> </div> </td> <td class="plc"> <div class="pi"> <strong> <a href="http://bbs.oecr.com/forum.php?mod=redirect&goto=findpost&ptid=117481&pid=712301" id="postnum712301" onclick="setCopy(this.href, '帖子地址复制成功');return false;"> <em>38</em>楼</a> </strong> <div class="pti"> <div class="pdbt"> </div> <div class="authi"> <img class="authicn vm" id="authicon712301" src="static/image/common/online_member.gif" /> <em id="authorposton712301">发表于 2010-12-21 21:15:28</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=117481&page=1&authorid=56855" rel="nofollow">只看该作者</a> </div> </div> </div><div class="pct"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_712301"> <i class="pstatus"> 本帖最后由 laser63588 于 2010-12-21 21:32 编辑 </i><br /> <br /> <strong>回复 <a href="http://bbs.oecr.com/forum.php?mod=redirect&goto=findpost&pid=712219&ptid=117481" target="_blank"><font color="Olive">optro</font> 的帖子</a></strong><br /> <br /> 您说的情况我就不清楚了，不过我们用的7-8年了，坏的也不多，感觉还可以。我说的全桥是指它的最后环节的驱动部分，驱动电路完全考虑到了调节温度过程中的温度变化的滞后性，一开始在我看来一个双运放就可以解决的温度控制，它却用了两个四运放控制，另外一个版本甚至用到了近10来个双运放去控制一个激光器的温度，电脑上截图温度监测显示的是小数点后两位，温度差异完全在0.1度以内.另外以我的认识就是小的温漂对于532绿光来说问题不大,但是对于473蓝光影响就很大了,尤其普通的LD泵的时候最佳温度所在光谱位置谱线非常陡,一点点温度变化就引起了输出很大的波动.高精度的温控在这里就很有必要性了.<br /> <br /> <img id="aimg_WkKDb" onclick="zoom(this, this.src, 0, 0, 0)" class="zoom" file="http://bbs.oecr.com/data/attachment/album/201012/21/212104nxcrcar97kpaz6uo.jpg" onmouseover="img_onmouseoverfunc(this)" lazyloadthumb="1" border="0" alt="" /></td></tr></table> </div> <div id="comment_712301" class="cm"> </div> <div id="post_rate_div_712301"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr id="_postposition712301"></tr> <tr> <td class="pls"></td> <td class="plc" style="overflow:visible;"> <div class="po hin"> <div class="pob cl"> <em> <a class="fastre" href="forum.php?mod=post&action=reply&fid=7&tid=117481&repquote=712301&extra=&page=1" onclick="showWindow('reply', this.href)">回复</a> <a class="replyadd" href="forum.php?mod=misc&action=postreview&do=support&tid=117481&pid=712301&hash=eb2e3fd7" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_support_712301').innerHTML ? $('review_support_712301').innerHTML : 0) + ' 人 支持'">支持 <span id="review_support_712301"></span></a> <a class="replysubtract" href="forum.php?mod=misc&action=postreview&do=against&tid=117481&pid=712301&hash=eb2e3fd7" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_against_712301').innerHTML ? $('review_against_712301').innerHTML : 0) + ' 人 反对'">反对 <span id="review_against_712301"></span></a> </em> <p> <a href="javascript:;" id="mgc_post_712301" onmouseover="showMenu(this.id)" class="showmenu">使用道具</a> <a href="javascript:;" onclick="showWindow('miscreport712301', 'misc.php?mod=report&rtype=post&rid=712301&tid=117481&fid=7', 'get', -1);return false;">举报</a> </p> <ul id="mgc_post_712301_menu" class="p_pop mgcmn" style="display: none;"> <li><a href="http://club.oecr.com/home.php?mod=magic&mid=namepost&idtype=pid&id=712301:117481" id="a_namepost_712301" onclick="showWindow(this.id, this.href)"><img src="static/image/magic/namepost.small.gif" />显身卡</a><li> </ul> <script type="text/javascript" reload="1">checkmgcmn('post_712301')</script> </div> </div> </td> </tr> <tr class="ad"> <td class="pls"> </td> <td class="plc"> </td> </tr> </table> <script type="text/javascript" reload="1"> aimgcount[712301] = ['WkKDb']; attachimggroup(712301); var aimgfid = 0; </script> </div><div class="postaaa posta8" id="post_712219" ><table id="pid712219" class="plhin" summary="pid712219" cellspacing="0" cellpadding="0"> <tr> <td class="pls" rowspan="2"> <div id="favatar712219" class="pls favatar"> <div class="pi"> <div class="authi"><a href="http://club.oecr.com/space-uid-90507.html" target="_blank" class="xw1" style="color: #FFCC00">optro</a> </div> </div> <div class="p_pop blk bui card_gender_" id="userinfo712219" style="display: none; margin-top: -11px;"> <div class="m z"> <div id="userinfo712219_ma"></div> </div> <div class="i y"> <div> <strong><a href="http://club.oecr.com/space-uid-90507.html" target="_blank" class="xi2" style="color: #FFCC00">optro</a></strong> <em>当前离线</em> </div><dl class="cl"> <dt>积分</dt><dd><a href="http://club.oecr.com/home.php?mod=space&uid=90507&do=profile" target="_blank" class="xi2">7937</a></dd> </dl><div class="imicn"> <a href="http://club.oecr.com/home.php?mod=space&uid=90507&do=profile" target="_blank" title="查看详细资料"><img src="static/image/common/userinfo.gif" alt="查看详细资料" /></a> <a href="http://club.oecr.com/home.php?mod=magic&mid=showip&idtype=user&id=optro" id="a_showip_li_712219" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/showip.small.gif" alt="" /> IP卡</a> <a href="http://club.oecr.com/home.php?mod=magic&mid=checkonline&idtype=user&id=optro" id="a_repent_712219" class="xi2" onclick="showWindow(this.id, this.href)"><img src="static//image/magic/checkonline.small.gif" alt="" /> 狗仔卡</a> </div> <div id="avatarfeed"><span id="threadsortswait"></span></div> </div> </div> <div> <div class="avatar"><a href="http://club.oecr.com/space-uid-90507.html" class="avtm" target="_blank"><img src="http://www.oecr.com/uc_server/avatar.php?uid=90507&size=middle" /></a></div> </div> </div> </td> <td class="plc"> <div class="pi"> <strong> <a href="http://bbs.oecr.com/forum.php?mod=redirect&goto=findpost&ptid=117481&pid=712219" id="postnum712219" onclick="setCopy(this.href, '帖子地址复制成功');return false;"> <em>37</em>楼</a> </strong> <div class="pti"> <div class="pdbt"> </div> <div class="authi"> <img class="authicn vm" id="authicon712219" src="static/image/common/online_member.gif" /> <em id="authorposton712219">发表于 2010-12-21 18:47:01</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=117481&page=1&authorid=90507" rel="nofollow">只看该作者</a> </div> </div> </div><div class="pct"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_712219"> <div class="quote"><blockquote><font size="2"><font color="#999999">laser63588 发表于 2010-12-21 17:02</font> <a href="http://bbs.oecr.com/forum.php?mod=redirect&goto=findpost&pid=712159&ptid=117481" target="_blank"><img id="aimg_Eg0zz" onclick="zoom(this, this.src, 0, 0, 0)" class="zoom" file="static/image/common/back.gif" onmouseover="img_onmouseoverfunc(this)" lazyloadthumb="1" border="0" alt="" /></a></font><br /> 对的，我们用那激光器是日本岛津的。虽然最后就是一个简单的全桥控制温度，但前级的控制电路很复杂。温度是 ...</blockquote></div><br /> 哈哈<br /> 着当年是一个垃圾公司，验收他们的分光光度计几年通不过，后来被搞笑的教授们给捧火了。<br /> 一个全桥的探测解决不了这个0.1温度问题，PID您知道吗？<br /> 我想0.1也就是0.03nm，如果是这个精度不会用LD的，所以这个日本垃圾公司，又一次忽悠您那！</td></tr></table> </div> <div id="comment_712219" class="cm"> </div> <div id="post_rate_div_712219"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr id="_postposition712219"></tr> <tr> <td class="pls"></td> <td class="plc" style="overflow:visible;"> <div class="po hin"> <div class="pob cl"> <em> <a class="fastre" href="forum.php?mod=post&action=reply&fid=7&tid=117481&repquote=712219&extra=&page=1" onclick="showWindow('reply', this.href)">回复</a> <a class="replyadd" href="forum.php?mod=misc&action=postreview&do=support&tid=117481&pid=712219&hash=eb2e3fd7" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_support_712219').innerHTML ? $('review_support_712219').innerHTML : 0) + ' 人 支持'">支持 <span id="review_support_712219"></span></a> <a class="replysubtract" href="forum.php?mod=misc&action=postreview&do=against&tid=117481&pid=712219&hash=eb2e3fd7" onclick="showWindow('login', this.href)" 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attachimggroup(712219); var aimgfid = 0; </script> </div><div class="postaaa posta9" id="post_712159" ><table id="pid712159" class="plhin" summary="pid712159" cellspacing="0" cellpadding="0"> <tr> <td class="pls" rowspan="2"> <div id="favatar712159" class="pls favatar"> <div class="pi"> <div class="authi"><a href="http://club.oecr.com/space-uid-56855.html" target="_blank" class="xw1" style="color: #FFCCCC">laser63588</a> </div> </div> <div class="p_pop blk bui card_gender_" id="userinfo712159" style="display: none; margin-top: -11px;"> <div class="m z"> <div id="userinfo712159_ma"></div> </div> <div class="i y"> <div> <strong><a href="http://club.oecr.com/space-uid-56855.html" target="_blank" class="xi2" style="color: #FFCCCC">laser63588</a></strong> <em>当前离线</em> </div><dl class="cl"> <dt>积分</dt><dd><a href="http://club.oecr.com/home.php?mod=space&uid=56855&do=profile" target="_blank" class="xi2">436</a></dd> </dl><div class="imicn"> <a 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href="http://bbs.oecr.com/forum.php?mod=redirect&goto=findpost&ptid=117481&pid=712159" id="postnum712159" onclick="setCopy(this.href, '帖子地址复制成功');return false;"> <em>36</em>楼</a> </strong> <div class="pti"> <div class="pdbt"> </div> <div class="authi"> <img class="authicn vm" id="authicon712159" src="static/image/common/online_member.gif" /> <em id="authorposton712159">发表于 2010-12-21 17:02:42</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=117481&page=1&authorid=56855" rel="nofollow">只看该作者</a> </div> </div> </div><div class="pct"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_712159"> 对的，我们用那激光器是日本岛津的。虽然最后就是一个简单的全桥控制温度，但前级的控制电路很复杂。温度是由单片机控制的，可以自动探测激光器最佳工作温度。里面的热沉也很小，还好激光器的功率不大，输出只有1毫瓦。</td></tr></table> </div> <div id="comment_712159" class="cm"> </div> <div id="post_rate_div_712159"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr 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id="authorposton711842">发表于 2010-12-21 13:08:40</em> <span class="pipe">|</span> <a href="http://bbs.oecr.com/forum.php?mod=viewthread&tid=117481&page=1&authorid=90507" rel="nofollow">只看该作者</a> </div> </div> </div><div class="pct"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_711842"> 0.1温控精度，必须是专业水平，要达到这个精度，必须尽可能降低热容，还要求做好和环境的绝热。我想这位的激光器做到这个技术水平，目前国内的这些小公司，既是是大族、华工也没有这样好的工业基础，测试条件。<br /> 要做到0.1度精度，是一个不断逼近的PID过程，贵公司应该还有一个班子，配被专业人员。<br /> 还有0.1度，不可能是一个不变的电压，一定是要经常开关的，如果使用开关，这样的电源寿命不会长，这就需要使用一个正选或锯齿波，来调制这个电源的...。</td></tr></table> </div> <div id="comment_711842" class="cm"> </div> <div id="post_rate_div_711842"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr id="_postposition711842"></tr> <tr> <td class="pls"></td> <td class="plc" style="overflow:visible;"> <div class="po hin"> <div class="pob cl"> <em> <a class="fastre" 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rel="nofollow">只看该作者</a> </div> </div> </div><div class="pct"><div class="pcb"> <div class="t_fsz"> <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_711834"> 制冷片的寿命比LD的寿命长了，基本上不会出现制冷片坏掉的情况了，等温控平衡以后电流的波动量就很小了，一般只会出现一个方向的电压，楼上是正解了</td></tr></table> </div> <div id="comment_711834" class="cm"> </div> <div id="post_rate_div_711834"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr id="_postposition711834"></tr> <tr> <td class="pls"></td> <td class="plc" style="overflow:visible;"> <div class="po hin"> <div class="pob cl"> <em> <a class="fastre" href="forum.php?mod=post&action=reply&fid=7&tid=117481&repquote=711834&extra=&page=1" onclick="showWindow('reply', this.href)">回复</a> <a class="replyadd" href="forum.php?mod=misc&action=postreview&do=support&tid=117481&pid=711834&hash=eb2e3fd7" onclick="showWindow('login', this.href)" onmouseover="this.title = ($('review_support_711834').innerHTML ? $('review_support_711834').innerHTML : 0) + ' 人 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