Active
| Ties Behnke | | (Group Leader) | |
| Stefano Caiazza | | (PhD Student) | |
| Ralf Diener | | (Scientist) | |
| Isa Heinze | | (PhD Student) | |
| Felix J. Müller | | (PhD Student) | |
| Volker Prahl | | (Engineer) | |
| Christoph Rosemann | | (PostDoc) | |
| Oliver Schäfer | | (PhD Student) | |
| Jan Timmermans | | (Guest Scientist) | |
| Robert Volkenborn | | (Engineer) | |
| Klaus Zenker | | (PhD Student) |
The e-mail addresses are not displayed in plain text to avoid spam. The addresses of the active members are build from their first names (with dots in between if more than one) and their family name (also separated by a dot). This is followed by the domain part: "@desy.de".
Alumni
| Markus Ball | (Oct 2001–Oct 2007) | |
| Jeannine Beck | (Nov 2007–May 2009) | |
| Klaus Dehmelt | (Jan 2007–Feb 2011) | |
| Mathieu Doucet | (May 2000–Mar 2002) | |
| Bakul Gaur | (Jul 2008–Jan 2009) | |
| Nabil Ghodbane | (Nov 2000–Oct 2003) | |
| Christian Grefe | (Jun 2007–Jun 2008) | |
| Markus Hamann | (Apr 2000–Mar 2004) | |
| Katsumasa Ikematsu | (Dec 2004–Jan 2008) | |
| Andreas Imhof | (Aug 2002–Aug 2005) | |
| Matthias Enno Janssen | (Apr 2003–Aug 2008) | |
| Alexander Kaukher | (Jun 2002–Dec 2009) | |
| Krzysztof Komar | (Aug 2004–Aug 2008) | |
| Thorsten Kuhl | (Oct 2001–Sep 2004) | |
| Diana Linzmaier | (Nov 2007–May 2009) | |
| Thorsten Lux | (Oct 2001–May 2005) | |
| Takeshi Matsuda | (Jul 2008–Aug 2010) | |
| Zola Ngono | (Dec 2009–Oct 2011) | |
| Peter Schade | (Nov 2005–Aug 2010) | |
| Markus Schumacher | (Oct 1999–Sep 2001) | |
| Felix Sefkow | (now mainly HCAL) | |
| Lea Steder | (Sep 2006–Aug 2010) | |
| Felix Stöver | (Dec 2005–Mar 2007) | |
| Adrian Vogel | (Jan 2005–Nov 2008) | |
| Bernhard Voigt | (Jan 2003–Dec 2003) | |
| Peter Wienemann | (Oct 2002–Apr 2005) |
