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src="http://www.sensor.com.cn/cobbs/skins/Default/topicface/face1.gif"/></div><b>激光测距专用雪崩光电二极管(APD)</b></div><div style="<img src="static/image/smiley/default/titter.gif" smilieid="9" border="0" alt="" />ADDING-RIGHT: 0px; MARGIN-TOP: 10px; FONT-SIZE: 9pt; OVERFLOW-X: hidden; WIDTH: 97%; WORD-BREAK: break-all; TEXT-INDENT: 24px; LINE-HEIGHT: normal; HEIGHT: 200px; WORD-WRAP: break-word;"><strong>雪崩光电二极管供</strong><br /> <div style="<img src="static/image/smiley/default/titter.gif" smilieid="9" border="0" alt="" />ADDING-RIGHT: 0px; MARGIN-TOP: 10px; FONT-SIZE: 9pt; OVERFLOW-X: hidden; WIDTH: 97%; WORD-BREAK: break-all; TEXT-INDENT: 24px; LINE-HEIGHT: normal; HEIGHT: 200px; WORD-WRAP: break-word;"><font face="宋体" size="2"><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 15pt;"><span style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'times new roman';">供雪崩光电二极管</span><span lang="EN-US" style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: arial;">(APD)</span><span lang="EN-US" style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-hansi-font-family: ';;"><br /> </span><font size="3"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: arial; mso-bidi-font-size: 10.5pt; mso-ascii-font-family: arial; mso-bidi-font-family: arial;">暗电流小</span><span style="COLOR: #464646; FONT-FAMILY: 宋体; LETTER-SPACING: 0.75pt; mso-hansi-font-family: 'mso-bidi-font-size:10.5pt;mso-ascii-font-family:';">频谱响应范围在</span><span lang="EN-US" style="COLOR: #464646; LETTER-SPACING: 0.75pt; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">440nm</font></span><span style="COLOR: #464646; FONT-FAMILY: 宋体; LETTER-SPACING: 0.75pt; mso-hansi-font-family: 'mso-bidi-font-size:10.5pt;mso-ascii-font-family:';">至</span><span lang="EN-US" style="COLOR: #464646; LETTER-SPACING: 0.75pt; mso-bidi-font-size: 10.5pt;"><font face="Times New Roman">1,100nm</font></span><span style="COLOR: #464646; FONT-FAMILY: 宋体; LETTER-SPACING: 0.75pt; mso-hansi-font-family: 'mso-bidi-font-size:10.5pt;mso-ascii-font-family:';">之间</span><span lang="EN-US" style="FONT-FAMILY: arial; mso-bidi-font-size: 10.5pt;"><br /> <p></p></span></font></p><p></p><p></p><p></p><p></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'mso-bidi-font-size:10.0pt;mso-ascii-font-family:'mso-font-kerning:1.0pt;">光电探测器是将光信号转变为电信号的器件。在半导体光电探测器中，入射光子激发出的光生载流子在外加偏压下进入外电路后，形成可测量的光电流。PIN光电二极管即使在最大的响应度下,一个光子最多也只能产生一对电子-空穴对,是一种无内部增益的器件。为了获得更大的响应度,可以采用雪崩光电二极管(APD)。APD对光电流的放大作用基于电离碰撞效应,在一定的条件下,被加速的电子和空穴获得足够的能量,能够与晶格碰撞产生一对新的电子-空穴对,这种过程是一种连锁反应,从而由光吸收产生的一对电子-空穴对可以产生大量的电子-空穴对而形成较大的二次光电流。因此APD具有较高的响应度和内部增益，这种内部增益提高了器件的信噪比。APD将主要应用于长距离或接收光功率受到其它限制而较小的光纤通信系统。目前很多光器件专家对APD的前景十分看好 </span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'mso-bidi-font-size:10.0pt;mso-ascii-font-family:'mso-font-kerning:1.0pt;">雪崩光电二极管（<span class="head10" lang="EN-US" style="LETTER-SPACING: 0.1pt;">APD</span><span class="head10" style="FONT-FAMILY: 宋体; LETTER-SPACING: 0.1pt;">）单光子探测器<span lang="EN-US"><br /> <p></p><br/></span></span><span class="head10" style="FONT-FAMILY: 宋体; LETTER-SPACING: 0.1pt; mso-hansi-font-family: 'times new roman'; mso-ascii-font-family: 'times new roman';"> 雪崩光电二极管不同于光电倍增管，它是一种建立在内光电效应基础上的光电器件。雪崩光电二极管具有内部增益和放大的作用，一个光子可以产生</span><span class="head10" lang="EN-US" style="LETTER-SPACING: 0.1pt;">10~100</span><span class="head10" style="FONT-FAMILY: 宋体; LETTER-SPACING: 0.1pt; mso-hansi-font-family: 'times new roman'; mso-ascii-font-family: 'times new roman';">对光生电子空穴对，从而能够在器件内部产生很大的增益。雪崩光电二极度管工作在反向偏压下，反向偏压越高，耗尽层当中的电场强度也就越大。当耗尽层中的电场强度达到一定程度时（材料不同，电场大小也不一样，如：</span><span class="head10" lang="EN-US" style="LETTER-SPACING: 0.1pt;">Si-APD</span><span class="head10" style="FONT-FAMILY: 宋体; LETTER-SPACING: 0.1pt; mso-hansi-font-family: 'times new roman'; mso-ascii-font-family: 'times new roman';">为</span><span class="head10" lang="EN-US" style="LETTER-SPACING: 0.1pt;">10<sup>5</sup>V/cm</span><span class="head10" style="FONT-FAMILY: 宋体; LETTER-SPACING: 0.1pt; mso-hansi-font-family: 'times new roman'; mso-ascii-font-family: 'times new roman';">），耗尽层中的光生电子空穴对就会被电场加速，而获得巨大的动能，它们与晶格发生碰撞，就会产生新的二次电离的光生电子空穴对，新的电子空穴对又会在电场的作用下获得足够的动能，再一次与晶格碰撞又产生更多的光生电子空穴对，如此下去，形成了所谓的“雪崩”倍增，使信号电流放大。<br/></span></span></p><p></p><br/><span class="head10" style="FONT-FAMILY: 宋体; LETTER-SPACING: 0.1pt; mso-hansi-font-family: 'times new roman'; mso-ascii-font-family: 'times new roman';"> 雪崩光电二极管不同于光电倍增管，它是一种建立在内光电效应基础上的光电器件。雪崩光电二极管具有内部增益和放大的作用，一个光子可以产生</span><span class="head10" lang="EN-US" style="LETTER-SPACING: 0.1pt;">10~100</span><span class="head10" style="FONT-FAMILY: 宋体; LETTER-SPACING: 0.1pt; mso-hansi-font-family: 'times new roman'; mso-ascii-font-family: 'times new roman';">对光生电子空穴对，从而能够在器件内部产生很大的增益。雪崩光电二极度管工作在反向偏压下，反向偏压越高，耗尽层当中的电场强度也就越大。当耗尽层中的电场强度达到一定程度时（材料不同，电场大小也不一样，如：</span><span class="head10" lang="EN-US" style="LETTER-SPACING: 0.1pt;">Si-APD</span><span class="head10" style="FONT-FAMILY: 宋体; LETTER-SPACING: 0.1pt; mso-hansi-font-family: 'times new roman'; mso-ascii-font-family: 'times new roman';">为</span><span class="head10" lang="EN-US" style="LETTER-SPACING: 0.1pt;">10<sup>5</sup>V/cm</span><span class="head10" style="FONT-FAMILY: 宋体; LETTER-SPACING: 0.1pt; mso-hansi-font-family: 'times new roman'; mso-ascii-font-family: 'times new roman';">），耗尽层中的光生电子空穴对就会被电场加速，而获得巨大的动能，它们与晶格发生碰撞，就会产生新的二次电离的光生电子空穴对，新的电子空穴对又会在电场的作用下获得足够的动能，再一次与晶格碰撞又产生更多的光生电子空穴对，如此下去，形成了所谓的“雪崩”倍增，使信号电流放大。<br/></span><p></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'mso-bidi-font-size:10.0pt;mso-ascii-font-family:'mso-font-kerning:1.0pt;">低噪声、快响应、高灵敏度、高带宽、低造价，主要用于</span><span style="FONT-SIZE: 9pt; COLOR: #333333; FONT-FAMILY: 宋体; mso-hansi-font-family: ˎmso-ascii-font-family:ˎ;">雪崩光电二极管单光子探测器，</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'times new roman'; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'times new roman'; mso-font-kerning: 1.0pt;">激光探测、测距、</span><font size="3"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'mso-ascii-font-family:'mso-font-kerning:1.0pt;">激光测距机、激光经纬仪</span><span style="mso-font-kerning: 1.0pt;"><font face="Times New Roman"><br /> </font></span></font><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'mso-bidi-font-size:10.0pt;mso-ascii-font-family:'mso-font-kerning:1.0pt;">警戒雷达。</span><br /> </p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"></p><p>联系人：陈先生 技术咨询电话：0579-3281852<span lang="EN-US"><font face="Times New Roman"><font size="3"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'mso-ascii-font-family:';">原装现货</span></font></font></span></p><p><span lang="EN-US"><font face="Times New Roman"><font size="3"><span style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'mso-ascii-font-family:';"></span></font></font></span>cjwjh@163.com</p><p>联信电子设备有限公司</p></font></div></div></div> <div class="postmsg">我们公司主要从事国外品牌的红外硅光电池,紫蓝硅光电池，紫外线传感器的推广,紫蓝硅光电池(光谱范围190nm-1050nm、300—1000nm、峰值波长650nm,台湾知名光电系列产品生产厂家仿造某日本生产厂家的产品)。主要用于各种光学仪器,如:半自动分析仪、分光光度计、比色计、白度计、照色计、光功率计、火焰检测器、色放大机等。可以根据不同的需要提供指定的光谱响应范围，产品应用领域遍及：仪器仪表、医疗器械等。<br /> <br /> 贵为了感谢您对我们的信任和给我们一个展示样品的机会,我们将会向您免费提供样品.(样品2片以内完全免费)<br /> <br /> 希望能与您有合作的机会。<br /> <br /> 谢谢您的关注与支持！谢谢！<br /> <br /> 如有需要敝人的帮助，欢迎来电13826461948<br /> 020-81615589 81615485 <br /> 广州创光电子 李绍泽先生谨上</div> <div class="postmsg">APD<br /> 有没有外形尺寸1.5mm以内的 能感光680波长的？</div> <div class="postmsg">创意电子代理日本kyosemi光电子，Kyosemi APD有如下特点：<br /> <br /> • 1.5GHz response with 200μm diameter<br /> • 600MHz response with 500μm diameter<br /> • High gain<br /> • Low noise factor<br /> <br /> 广泛应用于：<br /> <br /> • Short wavelength optical communication<br /> • Optical measurement<br /> • Optical sensors<br /> • Weak light signal detection<br /> <br /> <br /> 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