<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"></head><body><p original_font_attr="-1" original_line_height_attr="">Dear Gate users,</p>
    <p original_font_attr="-1" original_line_height_attr="">Could anyone indicate me how to implement a retro-reflective
      optical surface.</p>
    <p original_font_attr="-1" original_line_height_attr="">I see that this option is not contemplated in the current GATE
      implementation.</p>
    <p original_font_attr="-1" original_line_height_attr="">I imagine thus, that somewhere in Geant's files I can implement
      the characteristics of such a surface,</p>
    <p original_font_attr="-1" original_line_height_attr="" style="font-size: 11.00104pt; ">but I am not sure exactly where.<br>
    </p>
    <p original_font_attr="-1" original_line_height_attr="">Thank you in advance.</p>
    <p original_font_attr="-1" original_line_height_attr="">Best,</p>
    <p original_font_attr="-1" original_line_height_attr="" style="font-size: 11.00104pt; ">Victor<span style="color:#1F497D" lang="ES"></span><br>
      <span style="color:#1F497D" lang="ES"></span></p>
    <address><span style="color: rgb(31, 73, 125); font-size: 11.00104pt; " lang="ES" original_font_attr="-1" original_line_height_attr=""><br>
        ---------------------------------------------------------------</span></address>
    <address class="MsoNormal"><font size="-1"><span style="color: rgb(31, 73, 125); font-size: 12.00104pt; " lang="ES" original_font_attr="-1" original_line_height_attr=""><b original_font_attr="-1" original_line_height_attr="" style="font-size: 12.00104pt; ">Victor Ilisie</b> PhD</span><span style="font-size:12.0pt;font-family:"Times New
          Roman",serif" lang="ES"></span></font></address>
    <font size="-1"><span style="color: rgb(31, 73, 125); font-size: 12.00104pt; " original_font_attr="-1" original_line_height_attr="">Institute for Molecular
        Instrumentation and Imaging (i3M)</span><span style="font-size:12.0pt;font-family:"Times New
        Roman",serif"></span>
    </font>
    <address class="MsoNormal"><font size="-1"><span style="color: rgb(31, 73, 125); font-size: 12.00104pt; " lang="ES" original_font_attr="-1" original_line_height_attr="">CSIC & Universitat
          Politècnica de València</span></font><span style="font-size:12.0pt;font-family:"Times New
        Roman",serif" lang="ES"></span></address>
    <font size="-1"><span style="color: rgb(31, 73, 125); font-size: 12.00104pt; " original_font_attr="-1" original_line_height_attr="">E-mail: </span></font><span style="font-size:12.0pt;font-family:"Times New
      Roman",serif"><a href="mailto:joseba.alonso@i3m.upv.es"><span style="font-size: 11.00104pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); " original_font_attr="11pt" original_line_height_attr="">victor.ilisie@i3m.upv.es</span></a></span></body></html>