Laboratory of Terahertz Spectroscopy  
   Part of the Institute of Physics, Academy of Sciences of the Czech Republic. Includes information on staffing, the technologies involved and a list of papers. [PDF]
   http://www.fzu.cz/departments/dielectrics/groups/lts/LTS_en.pdf

THz Physics in Freiburg  
   Includes a description of time domain spectroscopy, publications list, information on projects and related links and pictures.
   http://frhewww.physik.uni-freiburg.de/terahertz/

Mittleman Group  
   Department of Electrical and Computer Engineering, Rice University. Includes links to relevant press articles, a description of their work and list of publications.
   http://www-ece.rice.edu/~daniel/

International Terahertz Workshop 2000  
   Includes logistical information, conference proceedings and pictures of the meetings.
   http://frhewww.physik.uni-freiburg.de/~puhd/homepage/itw2000/itw2000.html

Tera-Hertz radiation in Biological Research, Investigation on Diagnostics and study of potential Genotoxic Effects  
   Includes reports and descriptions of this project, as well as copies of workshop presentations.
   http://www.frascati.enea.it/THz-BRIDGE/

THz Science and Technology  
   Rensselaer Polytechnic Institute. Mainly researches into the generation of terahertz beams. Includes research plans and results, as well as group members' lists.
   http://www.rpi.edu/~zhangxc/

Ultrafast Terahertz Research Group  
   Oklahoma State University. Includes information on the technologies used and their research activities, publications lists, facilities and contact details.
   http://utol.ecen.ceat.okstate.edu/

StarTiger  
   An European Space Agency initiative in partnership with the Space Science and Technology Department at CCLRC Rutherford Appleton Laboratory. Features project description and results of an experiment in making TeraHertz imaging devices.
   http://www.startiger.org/

Kawase Initiative Research Unit  
   Works on 2-D imaging, generation of radiation and the Frohlich hypothesis. Includes a presentation of their work, a list of publications, and list of staff.
   http://www.riken.go.jp/lab-www/THz/