Editing Appendix/QED (section)

==Slit Aperture Instead of Mirror==

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<b>Figure 2</b>
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[[File:QEDfig24TrajectoriesPPT.png|700px|Fig24 Trajectories]]<br />
<b>Panel a:</b>  &nbsp; Same as Figure 1, but with fewer photon trajectories displayed.
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[[File:QEDmirror02PPT.png|300px|Mirror02]]<br />
<b>Panel b:</b> &nbsp; Positions of detector and source modified from Panel a.
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  <td align="center" width="33%">[[File:QEDslit02PPT.png|300px|Slit02]]<br />
<b>Panel c:</b> &nbsp; Mirror replaced by slit; position of source flipped to position such that light passes through the slit rather than bouncing off of mirror.
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[[File:QEDslit03PPT.png|300px|Slit03]]<br />
<b>Panel d:</b>&nbsp; If the source is a laser, then photon trajectories between the source and the slit are all <i>in phase with</i>, and parallel to one another.
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  <td align="center">[[File:QEDslit04LaserRotated.png|300px|Slit03]]</td>
  <td align="center" colspan="1" bgcolor="lightgreen">[[File:Aperture3.gif|350px|Chapter1Fig1]]</td>
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