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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_713115"> <div align="center"><font size="6"><strong>FSS801型一体化稳频<a href="http://laser.oecr.com" target="_blank" class="relatedlink">激光</a>器</strong></font></div><table cellspacing="0" class="t_table" ><tr><td><table cellspacing="0" class="t_table" ><tr><td>FSS801型一体化稳频激光器 </td><td></td><td></td><td></td></tr></table><br /> <table cellspacing="0" class="t_table" ><tr><td colspan="2"></td></tr><tr><td colspan="2"><strong><img id="aimg_LR09i" onclick="zoom(this, this.src, 0, 0, 0)" class="zoom" file="http://www.uniquanta.com/images/stories/wpxt.jpg" onmouseover="img_onmouseoverfunc(this)" lazyloadthumb="1" border="0" alt="" /></strong> <strong><a href="http://b.oecr.com/sell" target="_blank" class="relatedlink">产品</a>介绍</strong>该激光器具有激光频率长期锁定于参考谱线的功能，它由外腔<a href="http://sensor.oecr.com" target="_blank" class="relatedlink">半导体</a>激光器ECL801、光隔离器、饱和吸收光路、低噪声光电探测器和微分稳频模块五个主要部分构成。半导体激光稳频系统的基本原理是通过调制激光器的外腔，激光管的注入电流或样品的能级而得到被调制的激光光谱信号。将该光谱信号进行处理，可得到在参考谱线中心频率两侧极性相反的误差信号。此误差信号可作为半导体激光器稳频的控制信号，从而将激光频率锁定在参考谱线中心频率附近。此激光系统具有一次、三次谐波稳频功能（见图1），并具有短期稳定度高、长期稳频稳定度好等优点，连续稳频时间可大于100小时（见图2）[1]。 <strong>参考文献</strong>[1]Tong Zhou, Xianghui Qi, Qing Wang, Wei Xiong, Jun Duan, Xiaoji Zhou, and Xuzong Chen，Chin. Opt. Lett., Vol 8, No.5，496, (2010) <strong>产品特点</strong>稳定性高、激光频率连续锁定时间长、鲁棒性好、具有一次、三次谐波锁定功能。 <strong>产品应用</strong>冷原子<a href="http://theory.oecr.com" target="_blank" class="relatedlink">物理</a>、原子钟、精密干涉<a href="http://opticaltest.oecr.com" target="_blank" class="relatedlink">测量</a>、光频标、光<a href="http://ofc.oecr.com" target="_blank" class="relatedlink">通信</a>、激光陀螺、精密光谱测量。 <strong>主要指标</strong><table cellspacing="0" class="t_table" style="width:98%" bgcolor="#cccccc"><tr style="background-color:#ffffff"><td width="253">适用波长（Wavelength）</td><td width="309">397,655,670,780,795,852,1550.nm etc</td></tr><tr style="background-color:#ffffff"><td width="253">可用输出功率（Output power on Line)</td><td width="309">≥10mW</td></tr><tr style="background-color:#ffffff"><td width="253">工作物质(Sampling Material)</td><td width="309">Rb, Cs, Li, Ca, I2, CH4, CO</td></tr><tr style="background-color:#ffffff"><td width="253">频率稳定性 ( Frequency Stability)</td><td width="309">4*10-11@1s</td></tr><tr style="background-color:#ffffff"><td width="253">锁定时间 (Locked Time)</td><td width="309">>100Hours(Typical)</td></tr><tr style="background-color:#ffffff"><td width="253">光隔离度(Optical isolation ratio)</td><td width="309">≥50dB</td></tr><tr style="background-color:#ffffff"><td width="253">光谱使用功率(Light Power for Spectra)</td><td width="309">≤0.5mW</td></tr><tr style="background-color:#ffffff"><td width="253">信噪比(Signal to Noise Ratio)</td><td width="309">≥30dB</td></tr><tr style="background-color:#ffffff"><td width="253">电源尺寸（Electronics size）</td><td width="309">500×300×150mm3 </td></tr><tr style="background-color:#ffffff"><td width="253">工作温度（Operating temperature）</td><td width="309">15°C ~35°C</td></tr></table> <img id="aimg_X5YwM" onclick="zoom(this, this.src, 0, 0, 0)" class="zoom" file="http://www.uniquanta.com/images/stories/fruit/wptp1.jpg" onmouseover="img_onmouseoverfunc(this)" lazyloadthumb="1" border="0" alt="" />图1、三次稳频模块的误差信号 <font color="#000000"><br /> </font> <font color="#000000"> <img id="aimg_VvkGk" onclick="zoom(this, this.src, 0, 0, 0)" class="zoom" width="98" height="39" file="http://www.uniquanta.com/images/stories/wenpinqx.jpg" onmouseover="img_onmouseoverfunc(this)" onclick="zoom(this)" style="cursor:pointer" border="0" alt="" /></font>图 2 FSS801型一体化激光稳频系统110小时拍频数据<font color="#000000"><br /> </font> <font color="#000000"><br /> </font> <font color="#000000"><br /> </font> <font color="#000000"><br /> </font> </td></tr><tr><td colspan="2">北京优立光太科技有限公司联系电话：13520381780<a href="mailto:friendtom@hotmail.com" target="_blank">friendtom@hotmail.com</a></td></tr></table><br /> </td></tr></table><br /> </td></tr></table> </div> <div id="comment_713115" class="cm"> </div> <div id="post_rate_div_713115"></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=127428&formhash=6cfaa987" id="k_favorite" onclick="showWindow(this.id, 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