TAMA300 Recycling

Since 2000/10/29, Updated 2005/03/07

[Go back to TAMA HOME] [Go back to Detector HOME]
[DT1] [DT2] [DT3] [DT4] [DT5] [DT6] [DT7] [DT8] [DT9] (Global)
[DT1] [DT2] [DT3] [DT4] [DT5] [DT6] [DT7] [DT8] [DT9] (Internal)

>> Recent Topics <<

• 2004/01/10 DT9 has been finished!
• 2003/11/29 DT9 started! [DT9 page] [DT9 internal]
• 2003/11/04 Improvement of the sensitivity
  The floor level reached at 6x10^-19 m/Hz^1/2@1.5kHz.

>> Sensitivity & Stability<<

• Floor sensitivity:
  6x10^-19 m/Hz^1/2@800kHz (=2.0x10^-21 /Hz^1/2 in strain) [PDF]
  
• History of the sensitivity [PDF]
  
• Observable Distance for binary inspirals [PDF]
  
• Stability: Longest continuous lock streatches for more than 24hours [PDF]
  
  
  

  >> Past Topics <<

• 2003/07/12 Improvement of the sensitivity
• The improvement of the sensitivity at around 100Hz by a factor of 10 was achieved, preserving the floor level of 8x10^-19 m/Hz^1/2@1.5kHz.
• 2003/04/15 DT8 has been finished!
  • Observation data for 1158hours was accumulated. This corresponds to the duty cycle of 81.3%.
• 2003/02/14 8th Data Taking run (DT8) started!
  • This run was a first full-time joint observation with LIGO's three interferometer. [To DT8 page]
• 2002/08/31 Improvement of the floor level [PDF] [EPS]
  • 1.0x10^-18 m/Hz^1/2@1kHz with further improved sensitivity above 1kHz. (h=3x10^-21/Hz^1/2)
• 2002/08/24 Improved sensitivity[PDF] [EPS]
  • Improvement at around 100Hz owing to narrow band alignment filter.
• 2002/08/05 Improved sensitivity
  • 1.2x10^-18 m/Hz^1/2@1kHz with further improved sensitivity above 1kHz. (h=4x10^-21/Hz^1/2)
• 2002/07/31 Improved sensitivity
  • 1.5x10^-18 m/Hz^1/2@700Hz with improved sensitivity above 1kHz.
• 2002/07/06~08 Test Run 3 (TR2)
  • Continuous lock of 4hours
• 2002/05/09~10 Test Run 2 (TR2)
• 2002/04/10 Recycled Interferometer locked with the high power laser
  • The current output power of the laser is 8.6W. The power incident on the MC is 6W.
• 2002/02/13 Improved stability and sensitivity:
  • continuous lock of 2h03m [PDF]
  • 4.5x10-18 m/Hz^1/2[PDF]
• 2002/02/01 Improved sensitivity 1.0x10^-17 m/Hz^1/2
• 2002/01/23 46min. of the full lock, improved sensitivity 1.0x10^-17 m/Hz^1/2
• 2002/01/09 Autoalignment control engaged
• 2002/01/07 Improved stability of the full lock [EPS] [PDF]
• 2001/12/24 First full lock of recycled TAMA300 [EPS] [PDF]
• 2001/12/10 First lock of power-recycled Michelson [EPS] [PDF]
• 2001/10 Recycling1 Experiment started