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== To do list to determine new parameters == == To do list to define new parameters ==

To do list to define new parameters

It is important to review past parameters and pick up problems to determine new parameters. Known problems are listed here.


  • Safty factor of power on BS is 6, not 3 which was assumed before, so that PRG gain can be increased up to 29 insted of 14.5.
  • Arm power was defined by sum of both arm powers. It should be a stored power of single arm.
  • How to determine an exact length of arm, for anti resonance of sidebands?
  • How to determine exact RF frequencies, for HOM of MC2?
  • Total inject power was defiened by only carrier power. It should be defined by carrier and sidebands.
  • Do we need pick off ports? Design of 2007 assumed a pick of between PRM and BS. It won't be existing in the new design, but how about pick off for X arm and Y arm? Should we use AR reflections as the pick off?
  • Redesign of length of MC2 for switching between BRSE and DRSE.
  • How much power is acceptable for single photo diode?

LCGT/subgroup/ifo/ISC/TaskList/CurrentStatus/ToDo (last edited 2009-06-09 16:12:42 by OsamuMiyakawa)