• KAGRA
• subgroup
• ifo
• MIF
• TasksAssignment20150810

ISC Task Assignment Plan 2015/8/10

A task with O mark means the assignment was confirmed

iKAGRA

Management [Aso, Michimura]

• Finalize the task list
• Assign people to the tasks

• Make a schedule for iKAGRA ISC tasks -> Important: to be done first

Analog Electronics (MIF, IOO, AEL)

• Complete the iKAGRA ISC electronics diagram [Michimura] O
• Make a cabling plan [Michimura] O
• Installation of the ISC electronics for iKAGRA [Aso, Nakano] O

Integration with the Digital Control System (MIF, IOO, DGS)

• Make a channel list for iKAGRA ISC (including whether each channel needs a whitening filter) [Kokeyama] O
• Write ISC real time codes [Student + Kokeyama, Michimura] O
• Create MEDM screens [Student + Kokeyama, Michimura] O
• Write guardian scripts [Student + Kokeyama, Michimura] O

Cameras (AOS)

• Decide where to put cameras [Aso, Kokeyama] O
• Figure out how to mount the cameras [Aso, Kokeyama] O
• Test the camera server [Kokeyama, Aso] O
• Buy more cameras [Aso] O
• Install the cameras [Kokeyama, Aso + Students] O

Optical Layout of the REFL bench (IOO) [Toyama Univ.]

• -> To be confirmed

Initial Alignment (MIF)

• Write a document of the initial alignment procedure for iKAGRA [Michimura] △

  • -> Eventhough the procedure may be changed at the site, it is important to have an official procedure and update it as we develop a better method.

• Actually perform the initial alignment [Michimura + Students] O

  • -> Need coordination with VIS people (we need them at the site during the alignment work)

Commissioning of the Mode Cleaner (IOO)

• List up measurements to be done with iKAGRA [Kawamura + everyone] -> To be confirmed

Commissioning of the Michelson

• List up measurements to be done with iKAGRA [Aso + everyone] O

ISC Modeling (MIF, IOO)

• Build a model of iKAGRA with Chris's noise budget code [Student + Michimura] O

• Make a noise budget for iKAGRA -> feed this information to the commissioning task list [Student + Michimura] O

bKAGRA

* Management [Aso, Michimura] O

• Finalize the task list
  • Assign people to the tasks
• Make a schedule for bKAGRA ISC tasks

* Interferometer optical simulations (MIF)

• FFT simulations with realistic mirror maps [Hirose, Hiro Yamamoto] O
  • Decide whether IBF is necessary or not [Aso, Hirose, Somiya, Michimura] O

    • -> It is related to OMC and also the control of the auxiliary DOFs. Aso will propose how to organize the work.

  • Requirements on the PRG, intra-cavity power, contrast defects [JANGO] O -> Need to specify the task more in detail

  • Thermal lensing of the MIF mirrors [JANGO] O -> Need to specify the task more in detail

* ISC Modeling (MIF, IOO)

• Build a model of bKAGRA with Chris's noise budget code [Students + Michimura] O
  • Fix the laser frequency stabilization servo design [Michimura, Aso] O

* AS Port Design (IOO)

• Overall design of the AS optics (after SRM) [Somiya + Students] O

  • OFI design [Somiya + Students] - > Pending

  • OMMT design [Somiya + Students] O
  • Steering mirrors ? [Somiya + Students]
  • OMC design [Somiya + Students] O

    • Setting OMC requirements or ITM polish requirements using simulations with real mirror maps [Somiya, Hiro Yamamoto] -> To be merged with the simulation tasks above.

    • Discuss with overseas groups about vibration isolation systems for OMC (and possibly other AS optics) [Somiya, Akutsu]

* Other Signal Ports (IOO) -> To be confirmed

• REFL table optical design [Students + Kawamura]
• POP table optical design [Students + Kawamura]
• POS table optical design [Students + Kawamura]
• POX/POY table optical design [Students + Kawamura]
• In-vac PD design [Doi, Aso]

* Laser Power Management (IOO, MIF, CRY)

• How to change the laser power during the operation [Students + Kawamura] -> To be confirmed

• Check the compatibility of the variable laser power with cryogenics [K. Yamamoto] -> To be confirmed

• Beam shutters (in-air, in-vac) [Somiya + Students] O

• High power beam damps [Akutsu] -> To be confirmed

* Initial Alignment (MIF)

• Write a document of the initial alignment procedure for bKAGRA [Michimura] O

* Lock Acquisition (MIF, IOO)

• Simulation of the signals with various interferometer configurations (DRMI, PRFPMI, etc) using Optickle and Finesse (cross check) [Students + Michimura, Aso] O

• Design of the ALS -> To be discussed with Kawamura-san

  • Review the noise budget for the ALS [Students + Aso, Kawamura]

  • Make design drawings of the ALS [Students + Aso, Kawamura]

• Deceide a scheme to generate f3 & f1 (AM) sidebands [Nakano, Michimura, Uehara, Somiya]

  • -> This is probably within the scope of Nakano-kun's PhD project. 'To be confirmed with Kawamura-san

• Write a document for the lock acquisition procednure [Students + Aso] O

* Analog Electronics (MIF, IOO, AEL)

• List up necessary ISC electronics for bKAGRA [Michimura, Aso] O
• Draw an ISC electronics diagram for bKAGRA [Michimura] O
• Make a cabling plan [Michimura] O

* Integration with the Digital Control System (MIF, IOO, DGS)

• Write ISC real time codes [Student + Kokeyama, Michimura] O
• Create MEDM screens [Student + Kokeyama, Michimura] O

* Cameras (AOS)

• Decide where to put cameras [Aso, Kokeyama] O
• Figure out how to mount the cameras [Aso, Kokeyama] O
• Buy more cameras [Aso] O

• Consider how to look at the cryogenic mirror surfaces (MIF, CRY) [Tomaru ?, Aso] -> To be discussed with Tomaru-san

* Commissioning (MIF)

• Make a commissioning plan for bKAGRA [Aso + everyone] O