Summer 2001
June 15
Suspension
In the north tank of GEO 600 a monolithic fused silica suspension has been
installed. This is the first fully monolithic suspension of a testmass
worldwide. The monolithic suspension for the east tank is ready to be
installed.
Data
At the same time the principal investigators of GEO and LIGO signed
a Memorandum of Understanding concerning the sharing and joint analysis of
data.
June 19
The monolithic suspension in the east tank has been successfully installed.
Thus the first large interferometer with monolithic suspension is ready to
start operation.
August 7
All the mirrors have been aligned (except for the signal recycling mirror which is not yet installed) and Michelson fringes have been observed with a period of about one second.
