The GEO600 Diary

• The groundbreaking party, September 4th 1995
• The site on November 17th 1995 (begin of construction)
• The site in January 1996 (erection of buildings)
• The site in May 1996 (trenchs and buildings)
• The site in June 1996 (trench: rail and roof)
• The site in September 1996 (welding of the tube)
• The site in October 1996 (central building, directional radio)
• The site in Fall 1996 (progress report)
• The site in Spring 1997 (progress report)
• The site in Summer 1997 (central building, tube, and tanks)
• The site in September 1997 (aerial views)
• The site in October 1997 (progress report)
• The site in Fall 1997 (wrapping the tube)
• The site in Spring 1998 (progress report)
• The site in Summer 1998 (progress report)
• The site in November 1998 (stacks, top plate, double pendulum)
• The site in December 1998 (EXPO registration, modecleaner double pendulums)
• The site in February 1999 (installation of first modecleaner tank)
• The site in March 1999 (inside the modecleaner tanks, impressions from the site)
• The site in May 1999 (breadboard, scanner)
• The site in June 1999 (test run of main suspension)
• The site in December 1999 (progress report)
• The site in Spring/Summer 2000 (progress report)
• The site in March 2000 (triple pendulum, tank TCIb)
• The site in June 2000 (tank TCIb)
• The site in November 2000 (progress report)
• The site in December 2000 (progress report)
• The site in January/February 2001 (monolithic suspension)
• The site in April 2001 (progress report, laser)
• The site in Summer 2001 (suspension, data, first fringes)
• The site in Fall 2001 (test runs)
• The site in January 2002 (successful coincidence run)
• The site in Spring 2002 (improvement of the detector sensitivity)
• The site in August/September 2002 (second coincidence run)
• The site in April 2003 (implementation of signal recycling)
• The site in November 2003 (dual recycling)
• The site in Winter 2003/04 (dual recycling and S3)
• The site in 2004 (upgrading the detector)
• The site in Spring 2005 (S4 science run)
• The site in May 2006 (joining S5 science run)
• The site in February 2007 (maintenance work)
• The site in 2008 (astrowatch)
• The site in 2009 (joining S6 science run)

• The site in 2010 (implementation of squeezing)

These pages have been maintained first by Harald Lück and Mathias Schrempel and later mainly by Peter Aufmuth. The photographs have been made by Benno Willke, Harald Lück or Mathias Schrempel (if not otherwise stated).

You will obtain a larger picture if you click on one of the photographs.

Images may be used freely for educational or non-commercial purposes, all other uses require permission.
In any case, give as credit: "Photo: GEO600".