ISC meetings

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ISC Reviews

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ISC management

Design Requirement Document VIR-024A-09

Work Breakdown Structure v 2.5

planning

F. Bondu Advanced Virgo ISC subsystem plan VIR-085A-08

Length sensing and control

Technical documents

• G. Vajente - Requirements for the Advanced Virgo Length Sensing and Control system VIR-083A-08
  
• G. Vajente - Advanced Virgo Length Sensing and control: Double demodulation vs Single demodulation VIR-069B-08
• G. Vajente - Simulation of Advanced Virgo Length Sensing and Control system VIR-068B-08
• G. Vajente - Advanced Virgo Length Sensing and Control System: parameters for Non-Degenerate Recycling Cavities VIR-080A-08
  
• G. Vajente - Possible sets of lengths and modulation frequencies for Advanced Virgo VIR-049A-08
• G. Vajente - Note on signal recycling II: lengths and modulations VIR-032A-08
• G. Vajente - Note on signal recycling I: field equations VIR-030B-08
• A. Heidmann - Quantum correlations between in-loop and out-of-loop signals in a power stabilization loop (in french)
  
• B. Swinkels, E. Campagna, G. Vajente, L. Barsotti and M. Evans Longitudinal noise subtraction: the alpha-, beta- and gamma-technique VIR-050A-08

Simulation tools

• Finesse input files and processing scripts
• Optickle input files and processing scripts

Older pages

• Possible lengths and modulation frequencies for Advanced Virgo
• Corresponding simulations performed with Optickle
  
• Relation between optical lengths and mirror distances
• Optimal Schnupp asymmetry
  
• Definition of longitudinal degrees of freedom
  
• Simulation of optical matrices with Finesse (single demodulation scheme)
• Corresponding simulation carried out with Optickle (no radiation pressure)
  
• Simulation of optical matrices with Finesse (double demodulation scheme)
• Radiation pressure effects
  

Talks At AdV biweekly meetings

F. Bondu - Going through the instability wall: mitigating optical spring with digital spring 2008-12-04
G. Vajente - Requirements on laser power noise 2008-10-30
F. Bondu - ISC and stability of loops: radiation pressure, multiple inputs multiple outputs systems 2008-10-30
G. Vajente - Length sensing and control: seismic isolation requirements 2008-10-16
G. Vajente, M. Mantovani - Influence of compensation plates on LSC and ASC 2008-10-16
F. Bondu ISC and non degenerate recycling cavities 2008-09-11
G. Vajente Simulation of length sensing and control system 2008-08-28
F. Bondu A constraint for ISC design: out-of-loop shot noise 2008-08-28
S. Hild Automated simulations: choosing modulation frequencies à la Advanced LIGO 2008-08-14
G. Vajente Radiation pressure and double demodulation 2008-07-31
G. Vajente Possible distances between the mirrors 2008-07-01
G. Vajente Update on cavity lengths and modulation frequencies 2008-07-03
G. Vajente AdV signal recycling 2008-05-22

AdL Links

AdL Length Sensing and Control Wiki

Alignment

Technical documents

• M. Mantovani, Advanced Virgo single cavity alignment VIR-109A-08
  
• M. Mantovani, S. Hild, A. Freise - The consequences of using the etalon effect to tune the arm cavity finesse on the alignment signals for Advanced Virgo VIR-027A-08
  
• A. Freise, M. Mantovani - Initial set of optical parameters for numerical simulations towards Advanced Virgo VIR-002B-07

Talks At AdV biweekly meetings

M. Mantovani - M.Mantovani -  Preliminary thoughts on alignment signals in Advanced Virgo 2008-06-19
G. Vajente, M. Mantovani - Influence of compensation plates on LSC and ASC 2008-10-16

AdL Links

AdL Alignment Sensing and Control wiki

Lock acquisition

The CALVA experiment, see LAL web page

Parametric instabilities

Talks At AdV biweekly meetings

P.-F. Cohadon - Parametric instabilities in micromechanical systems. AdV? 2008-12-04

Inputs from other sub-systems

• S. Hild, A. Freise - Advanced Virgo Design: Differential Arm Length Noise from Vertical Movement of Wedged Input Mirrors VIR-037A-08
• E. Tournefier - E.Tournefier - DC detection and Schnupp asymmetry talk 2008-06-19
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