SEM-EP系列激光防护眼�?参数-价格-中国粉体罐�/title>

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} }); function showliuyan(me, showtype){ if(showtype==0){ //$("#Content").val($("#Content").attr('placeholder')); Content= document.getElementById('PopMsgFrom').Content.getAttribute('placeholder'); document.getElementById('PopMsgFrom').Content.value=Content; } if(showtype==1){ // $("#Content").val($(me).text()); alert($(me).text()); document.getElementById('PopMsgFrom').Content.value=$(me).text(); } $(".fxp").css("display","flex"); } function close_popwin(){ $(".fxp").css("display","none"); // 关闭虚拟电话后的留言� $(".dhxj").css("display","none"); $(".dhxjbox").css("display", "none"); $(".dhxjbox2").css("display", "none"); return false; } </script>  <div class="cpjs"> <div class="cpjs_tab"> <div class="js_cpjj" style="border-bottom: 3px solid #1479d7; color: #1479d7;">产品介绍</div> <div class="js_cxd">创新炸�/div> <div class="js_xgfa">相关方案</div> <div class="js_xgzl">相关资料</div> <div class="js_yhpl">用户评论</div> <div class="js_gsdt">公司动�?/div> <div class="js_wsj">问商宵�/div> </div> <script> $(function(){ // 切换 $(".cpjs_tab a").click(function(){ $(".cpjs_tab a").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <h2><strong>SEM-EP系列激光防护眼镛�/strong></h2><p></p><p><span>激光安全眼镜是一种由高分子材料和光吸收材料合成的一种高效安全的护目镜。其光学安全性能完全满足欧洲标准EN207A1�?002。激光安全眼镜配戴舒适、美观、安全可靠，采用吸收原理：对光源的入射角度没有选择性，可全方位防护特定波段的激光和强光� </span></p><p><span>吸收式、反射式激光防护镜的优与劣: </span></p><p><span>反射式激光防护镜在基底光学玻璃表面镀以多层的反射介质层� </span></p><p><span>优点�?、工艺简单； </span></p><p><span>2、可见光透过率高� </span></p><p><span>3、衰减率较高� </span></p><p><span>4、光反应时间�?10-9秒； </span></p><p><span>缺点�?、对光源具有严重的选择性，入射光源必须正对防护镜面(入射光镜面法线方�?，其防护作用�?*反之*小； </span></p><p><span>2、反射介质层易脱掉而且脱落之后不易肉眼观察，这也是*危险的，国内的反射介质层一般一年左右都会发生脱落。光衰减率越高镀的介质层越厚，越容易脱落、�/span></p><p><span>吸收式防护镜在基底材料PMMA或P.C中添加特种波长的吸收剂� </span></p><p><span>优点�?、对光源没有选择性，可以安全防护各种漫反射光� </span></p><p><span>2、衰减率较高� </span></p><p><span>3、表面不怕磨损，即使有擦划，不影响光的安全防护； </span></p><p><span>4、光反应较快<10-9秒； </span></p><p><span>缺点：可见光透过率较低� </span></p><p><span>产品特点</span></p><p><span>� 典型激光波镾�980&1064&1320nm</span></p><p><span>� </span>透光率：40%</span></p><p><span>� </span>O.D光密度：800 - 1700nm O.D 4+ 900 - 1100nm O.D 5+</span></p><p><span>� </span>L-Rating（欧盟标准）�?00 � 1400nm DIR LB4�?400 � 1700nm DI LB3</span></p><p><span>� </span>SEM-EP 激光防护眼镛�/span></p><p><span>� </span>防护范围: 800 - 1700nm</span></p><p><span>� </span>适用激光波镾� 808nm�?80nm�?064nm� 1320nm� 1470nm etc.＋�/span></p><p><span>产品应用</span></p><p><span>� 半导体激光器调试及ND:YAG激光防抣�/span></p><p><span>技术参�?/span></p><p><span>我们现在有下列型号激光防护镜提供给您选择</span></p><p></p><p><span>SEM-EP-8透射功率测试<span>�?578nm 半导� DFB 1W激光器测试为例（�/span></p><p></p><p><span>经过激光防护镜前的功率</span></p><p></p><p><span>经过激光防护镜后的功率</span></p><p><span>ANSI Z136.1标准：通过光密�?OD� Optical Density)来进行衡量。光密度OD与透过率T之间的逻辑关系：D=-log10 T、�/span></p><p><span>欧洲激光安全标准EN207/EN208</span></p><p><span>EN207/EN208标准：考虑光密度OD，此外还需要考虑损伤阈�?功率/能量密度随时间的变化)、�/span></p><p><span>依据美国激光安全标准ANSI Z136.1和欧洲激光安全标准EN207/EN208，激光可按如下标准进行分类、�/span></p><p><span>激光标准和分类</span></p><p><span>美国激光安全标准ANSI Z136.1</span></p><p><span>ANSI Z136.1标准：通过光密�?OD� Optical Density)来进行衡量。光密度OD与透过率T之间的逻辑关系：D=-log10 T、�/span></p><p><span>欧洲激光安全标准EN207/EN208</span></p><p><span>EN207/EN208标准：考虑光密度OD，此外还需要考虑损伤阈�?功率/能量密度随时间的变化)、�/span></p><p><span>依据美国激光安全标准ANSI Z136.1和欧洲激光安全标准EN207/EN208，激光可按如下标准进行分类、�/span></p><p></p><p></p><p><span>激光标准和分类</span></p><p><span>美国激光安全标准ANSI Z136.1</span></p><p><span>激光防护眼镜选择指导</span></p><p><span>1、激光器特性：激光器的输出波长、功率密度、�/span></p><p><span>2、光密度Optical Density (OD)：OD数值越大，激光防护眼镜的防护能力越强、�/span></p><p><span>3、可见光透过率Visible Light Transmittance (VLT)：VLT数值低�?0%，激光防护眼镜需要在良好照明的环境中进行使用、�/span></p><p><span>4、镜框Frame：是否佩戴近视眼镜、面部轮廓、�/span></p><p></p><p><span>咨询电话�?21-64149583�?21-56461550�?21-65061775</span></p><p><span>公司邮箱：info@micro***********</span></p><p><span>公司地址：上海市杨浦区黄兴路2077号蓝天大�?1F</span></p><p></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; font-size: 14px; margin: 10px 0 0; line-height: 26px;"> 暂无数据� </p> </div>  <div class="xgfa"> <div class="xgfa_tit"> <div> <span></span>相关方案 </div> </div> <div class="xgfa_box" style="display: block;"><div style="padding:10px;">暂无相关方案、�/div> </div> </div> <script> $(function(){ // 切换 $(".xgfa_tit_ul li").hover(function(){ $(".xgfa_tit_ul li").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); var _index = $(this).index(); $(".xgfa_box").css("display","none"); $(".xgfa_box").eq(_index).css("display","block"); }); }); </script>  <div class="xgzl"> <div class="cxd_tit"><span></span>相关资料</div> <div class="xgzl_box"><div style="padding:10px;">暂无数据、�/div> </div> </div>  <div class="yhpl"> <div class="cxd_tit"><span></span>用户评论</div> <form id="FormComments" action="" method="post" onsubmit="return false"> <input name="SaveProComments" id="SaveProComments" type="hidden" value="yes" /> <input name="ProductID" id="ProductID" type="hidden" value="212749" /> <input name="ProQuality" id="ProQuality" type="hidden" value="10" /> <input name="ProService" id="ProService" type="hidden" value="10" /> <input name="ProUsability" id="ProUsability" type="hidden" value="10" /> <input name="ProCostperformance" id="ProCostperformance" type="hidden" value="10" /> <div class="yhpl_pf"> <div> <p>产品质量</p> <div><span id="Quality" class="stars star10"></span><span id="Quality_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>售后服务</p> <div><span id="Service" class="stars star10"></span><span id="Service_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>易用�?/p> <div><span id="Usability" class="stars star10"></span><span id="Usability_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>性价毓�/p> <div><span id="Costperformance" class="stars star10"></span><span id="Costperformance_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> </div> <div class="yhpl_pftit">评论内容</div> <textarea name="Comments" id="ProComments" onfocus="checklogin();" placeholder="分享产品使用经验/采购评价（不超过500字）">