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    <h1>System Maintenance</h1>
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        <p><b>We are performing a system upgrade and will have our websites back online as soon as possible.</b>
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        <p>We apologize for the inconvenience and appreciate your patience as we improve our websites to serve you better.<span><br><br>

    <span>SPIE Customer Service<br>
        Tel: +1 360 676 3290<br>
        E-mail:<a href="mailto:customerservice@spie.org" style="color: #000000"><b><u>CustomerService@spie.org</b></u></a></span><span></span>
		<span style='font-size:15.0pt;font-family:"Helvetica",sans-serif;color:#333333'><br><br>For questions specific to conference abstract submission:&nbsp;</span><a href="mailto:authorhelp@spie.org"><b><span style='font-size:15.0pt;font-family:"Helvetica",sans-serif;color:black'>AuthorHelp@spie.org</span></b>
		<span style='font-size:15.0pt;font-family:"Helvetica",sans-serif;color:#333333'><br><br>For questions about the SPIE Digital Library, please contact: &nbsp;</span><a href="mailto:spiedlsupport@spie.org"><b><span style='font-size:15.0pt;font-family:"Helvetica",sans-serif;color:black'>SPIEDLSupport@spie.org</span></b>
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    <a href="https://spie.org"><img src="spie_header_logo.png" alt="SPIE--The International Society for Optical Engineering" width="323" height="38" border="0"></p>
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