<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<style type="text/css" style="display:none"><!-- p { margin-top: 0px; margin-bottom: 0px; }--></style>
</head>
<body dir="ltr" style="font-size:12pt;color:#000000;background-color:#FFFFFF;font-family:Calibri,Arial,Helvetica,sans-serif;">
<div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:16px; margin-top:0px; margin-bottom:0px">
Hello All,<br>
</div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:16px; margin-top:0px; margin-bottom:0px">
<br>
</div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:16px; margin-top:0px; margin-bottom:0px">
I am getting started with McXtrace, and trying to build an instrument which is collimated using an off-axis parabolic (Göbel) mirror. I assume that the Mirror_parabolic component in McXtrace is not off-axis, so my thought was to simulate a <font face="Calibri,Arial,Helvetica,sans-serif" size="2"><span style="font-size:16px">G</span></font><font face="Calibri,Arial,Helvetica,sans-serif" size="2"><span style="font-size:16px">ö</span></font><font face="Calibri,Arial,Helvetica,sans-serif" size="2"><span style="font-size:16px">bel mirror
by placing the source at the mirror's focal point and making the mirror sufficiently large so as to be the full parent paraboloid of the off-axis mirror. However, I am having some difficulties understanding the relative coordinate system of the parabolic mirror
component which is making it tough to determine if this idea will even work. Could someone provide some insights into the Mirror_parabolic component, it's geometry, and it's orientation? Or does anyone know a better way to construct a </span></font><font face="Calibri,Arial,Helvetica,sans-serif" size="2"><span style="font-size:16px">G</span></font><font face="Calibri,Arial,Helvetica,sans-serif" size="2"><span style="font-size:16px">ö</span></font><font face="Calibri,Arial,Helvetica,sans-serif" size="2"><span style="font-size:16px">bel mirror?</span></font><br>
</div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:16px; margin-top:0px; margin-bottom:0px">
<font face="Calibri,Arial,Helvetica,sans-serif" size="2"><span style="font-size:16px"><br>
</span></font></div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:16px; margin-top:0px; margin-bottom:0px">
<font face="Calibri,Arial,Helvetica,sans-serif" size="2"><span style="font-size:16px">Any advice would be greatly appreciated!</span></font></div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:16px; margin-top:0px; margin-bottom:0px">
<font face="Calibri,Arial,Helvetica,sans-serif" size="2"><span style="font-size:16px"><br>
</span></font></div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:16px; margin-top:0px; margin-bottom:0px">
<font face="Calibri,Arial,Helvetica,sans-serif" size="2"><span style="font-size:16px">Best,</span></font></div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:16px; margin-top:0px; margin-bottom:0px">
<font face="Calibri,Arial,Helvetica,sans-serif" size="2"><span style="font-size:16px"><br>
</span></font></div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:16px; margin-top:0px; margin-bottom:0px">
<font face="Calibri,Arial,Helvetica,sans-serif" size="2"><span style="font-size:16px">Jordan</span></font></div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:16px; margin-top:0px; margin-bottom:0px">
<font face="Calibri,Arial,Helvetica,sans-serif" size="2"><span style="font-size:16px"><br>
</span></font></div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:16px; margin-top:0px; margin-bottom:0px">
<font face="Calibri,Arial,Helvetica,sans-serif" size="2"><span style="font-size:16px"><br>
</span></font></div>
<div id="Signature" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:16px">
<font face="Calibri,Arial,Helvetica,sans-serif" size="2"><span style="font-size:16px">
<div style="margin:0px"><font face="Calibri,Arial,Helvetica,sans-serif">-------------------------------------
<div><font face="Angsana New,serif">Jordan M. Cox, Ph.D. (</font><font face="Angsana New,serif"><em>he|him|his</em></font><font face="Angsana New,serif">)</font></div>
<div><font face="Angsana New,serif">X-ray Research Specialist</font></div>
<div><font face="Angsana New,serif"><br>
</font></div>
<div><font face="Angsana New,serif">Materials Research Laboratory</font></div>
<div><font face="Angsana New,serif">Massachusetts Institute of Technology</font></div>
<div><font face="Angsana New,serif" color="#202124">77 Massachusetts Ave.</font></div>
<div><font face="Angsana New,serif" color="#202124">Building 13-4027</font></div>
<div><font face="Angsana New,serif" color="#202124">Cambridge, MA 02139</font></div>
</font></div>
</span></font></div>
<p><br>
</p>
</body>
</html>