Optical path system of UV-visible spectrophotometer - Huaqiang Electronic Network

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External optical path system of UV-visible spectrophotometer

Key words: UV-visible spectrophotometer; external light path system; US analytical instrument ; UV-1100

Src="http://i.bosscdn.com/blog/nophoto.gif" /></p> The external light path system of the UV-Vis spectrophotometer is generally composed of a light source, a mirror or a lens; the light source is generally caused by æ°˜The lamp and the tungsten lamp (halogen tungsten lamp) and its lamp holder are composed; the mirror generally uses a concave mirror. Some instruments use a lens or cylindrical mirror for the external light path system. The purpose of these mirrors is to image the light from the source onto a single human-jet slit. Or, the light from the light source is concentrated on the entrance slit of the monochromator, and the entrance slit of the monochromator is uniformly illuminated. Sometimes, the filament of the light source and the entrance slit are object-image relationships. The external light path of the ultraviolet-visible spectrophotometer is generally in the following forms. 1 xenon lamp and tungsten lamp are located on the same side of the concave mirror and are fixed. The light source switching is realized by the motor driving the plane mirror vibration. 2 Xenon lamps and tungsten lamps are located on both sides of the concave mirror, the xenon lamp and the tungsten lamp are fixed, and the concave mirror moves. The light source switching is realized by the motor driving the concave mirror to rotate. 3 xenon lamps and tungsten lamps are fixed on a set of seats, and the concave mirrors are fixed. The light source switching is realized by the motor driving the xenon lamp and the tungsten lamp fixing group seat. 4 If a tungsten-tungsten lamp (the xenon lamp and the tungsten lamp are used together), the xenon-tungsten lamp is located on the left or right side of the concave mirror, the concave mirror is fixed, and the light source is imaged on the entrance slit through the concave mirror. Key words: UV-visible spectrophotometer; external light path system; US instrumentation ; UV-1100</p></dl> </div> </div> <div class="tech-detail- Share"> <!-- Baidu Button BEGIN --> <div class="bdsharebuttonbox"> <a href="#" class="bds_qzone" data-cmd="qzone" title="Share to QQ space">< /a> <a href="#" class="bds_tsina" data-cmd="tsina" title="Share to Sina Weibo"></a> <a href="#" class="bds_weixin" data- Cmd="weixin" title="Share to WeChat"></a> <span>Share to:</span> </div> <script>window._bd_share_config = { "common": { "bdSnsKey": {} , "bdText": "", "bdMini": "1", "bdMiniList": false, "bdPic": "", "bdStyle": "2", "bdSize": "16" }, "share": {} }; with (document) 0[(getElementsByTagName(

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