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| * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=8427|Observation scenario including LIGO/Virgo O5 upgrades]] | |
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| === White paper === | === Draft of white paper === * Link to Dropbox: https://www.dropbox.com/sh/ry8x2x5wco4xbxx/AAAy782OD9Mhbca7Cov0Ws5Oa?dl=0 * Link to Overleaf: being prepared... === White paper plan === |
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| * High power laser (how much power? stability?) [Haino?] * Parametric instabilty vs power, mitigation schemes [Michimura? KYamamoto?] * Squeezing (squeezing level, losses) [Matteo?] * Filter cavity (losses) [Matteo?] * Mirror (mass, coating, absorption) [Hirose?] * Suspending larger mirror [Okutomi?] * Suspension design for suspension thermal noise reduction (upper stage masses, sapphire blades, ribbon design) [Tomaru?] * Improving heat conductivity of sapphire fibers [Tomaru?] * Extreme RSE (high SRM reflectivity possible?) [Michimura?] * Technological noises at low frequencies [Michimura?] * Newtonian noise cancellation [Nishizawa?] |
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| * Mirror size in cryostat [KYamamoto?] * Filter cavity length [Matteo?] * Computing resources [Chunglee?] |
Future Planning Committee (FPC) working wiki
Starting points
Draft of white paper
Link to Dropbox: https://www.dropbox.com/sh/ry8x2x5wco4xbxx/AAAy782OD9Mhbca7Cov0Ws5Oa?dl=0
- Link to Overleaf: being prepared...
White paper plan
- Scientific motivation
- Survey of the current technologies (price and readiness)
- High power laser (how much power? stability?) [Haino?]
- Parametric instabilty vs power, mitigation schemes [Michimura? KYamamoto?]
- Squeezing (squeezing level, losses) [Matteo?]
- Filter cavity (losses) [Matteo?]
- Mirror (mass, coating, absorption) [Hirose?]
- Suspending larger mirror [Okutomi?]
- Suspension design for suspension thermal noise reduction (upper stage masses, sapphire blades, ribbon design) [Tomaru?]
- Improving heat conductivity of sapphire fibers [Tomaru?]
- Extreme RSE (high SRM reflectivity possible?) [Michimura?]
- Technological noises at low frequencies [Michimura?]
- Newtonian noise cancellation [Nishizawa?]
- Limits of the current facility
- Mirror size in cryostat [KYamamoto?]
- Filter cavity length [Matteo?]
- Computing resources [Chunglee?]
- Trade-off studies
- Time scale of plans: near-term(more realistic) and longer-term(some dreams)
- Back up plans
R&Ds to be done : input to the PRDC
- Budget estimate
- Project execution plan
Schedule for the white paper
- Work in progress draft to be presented @ KIW in Feb 2019 : Feedbacks from Virgo
- First draft to be circulated @ April 2019 F2F
- Final version to be put for approval @ Aug 2019 F2F