请教位相概念!-->hoogoogol转移
<p><font size="2">请问高手</font></p><p><font size="2">Coating 式样要求：</font></p><p><font size="2">1. Coating SPEC：R<sub>P、 </sub>R<sub>S</sub>≥98%<sub> </sub></font></p><p><font size="2">2. 位相要求：+</font><span lang="EN-US"><font size="3"><font face="Times New Roman">110<sup>o</sup>±20<sup>o</sup>(@650nm<span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">).</span></font></font></span></p><p><span lang="EN-US"><font size="3"><font face="Times New Roman"><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">中的第二相位相要求具体是表示什么意思???</span></font></font></span></p><p><span lang="EN-US"><font size="3"><font face="Times New Roman"><span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: 'Times New Roman'; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"></span></font></font></span></p> <p>位相差的意思是Ψp-Ψs=90°~130°</p><p>在设计膜系的时候有 phase difference 这一项，意思就是位相差。</p><p>从波动函数 E=A1*COS（ωt+Ψ）这个原始公式可以推导出s偏振和p 偏振的位相差。</p><p>最近小弟部门就在做这样一个测量位相差的简单装置，当然可以用于宽波段测量。</p>谢谢大侠了!
<p>谢谢大侠了!</p> <p></p><p></p><p> 又学到一点知识，谢谢！</p>
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