= ALS Meeting on 2016/7/28 15:00 - 16:00 =
eZuce: http://srn.ezuce.com/joinSRN?meeting=M2MvMB292lD2DD9D9sDM92

Participants: Michimura, Aso, Enomoto, Nakano, Matsushima, Kambara, Doi, Moriwaki

== Minutes ==
 * Default configuration for ALS is Tasumi/Arai/Aso configuration (see [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5353|JGW-T1605353]])
  * We may have to put wideband EOM for IR beat to increase UGF and DC gain for PLL
  * We may have to use CARM/DARM basis instead of XARM/YARM basis
  * '''Noise``Budget modeling needs to be done soon [Kambara]'''
   * ''' Kambara will stay at Hongo for ~1week in August for a boot camp'''
   * Start with a simpler model (e.g. just PLL only)
 * Prometheus lasers will be put on PSL table to keep them clean
  * '''PSL layout and space should to be checked [Nakano]'''
  * EOM layout is Layout 3 in [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=3189|JGW-D1503189]], so we can save space

== Agenda ==
 * Decide default configuration for ALS [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5353|JGW-T1605353]]
  * Four candidates: aLIGO-like, simplified aLIGO, Tatsumi/Arai/Aso, or hybrid?
  * Noise study will be done by Kambara after deciding the default configuration to start with
 * Where to put Prometheus?
 * Schedule?
  * Possibility of installing GreenX earlier for TMS alignment?
   * BS green transmissivity 99.40% for s-pol, 97.85% for p-pol

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