Contact your faculty librarian for more information on how to measure your impact.
Once you have published your work, the last step is to track your impact. The video below explains an easily accessible way to do so. Publish or Perish is freely available here: http://www.harzing.com/pop.htm.
The power-point presentation can be found here: http://clt.lse.ac.uk/events/AcademiaLSENetworkED.pdf.