ELiTES activities in Japan (2015-2016)

Task List

(Task-1) Cryogenic Payload [host: Tomaru and Yamamoto]

• Collaboration on the cryogenic payload design (2015)
• Property measurement of cryogenic materials (2015) : (1) application and removal of indium (2) measurements of the thermal resistance of heat links and joint interfaces
• Development of local sensors and actuators (2015)
• Platform assembly (2015 1Q-2Q)
• Cooling test (2015 3Q-4Q)
• Suspension assembly (2015 1Q-4Q)
• Control test (2015 3Q - 2016 2Q)
• Vibration test at JAXA (2016 1-2Q)
• Installation and commissioning at the KAGRA site : available when CRY members work at site

(Task-2) Cool-down test of the cryostat + duct shield [host: Tomaru and Yamamoto]

• Preparation of a cryo-cooler system and DAQ system (2015 2Q)
• Cooling test and vibration test (2015 3Q)

(Task-3) Installation of the cryogenic payload prototype [host: Tomaru and Yamamoto]

• Installation (2016, 1-2Q)
• Cooling test and control test (2016, 3-4Q) : actual cooling of the real system is planned in 2017

(Task-4) Output mode-cleaner development [host: Somiya]

• Development of control scheme with a table-top experiment at Tokyo Tech

(Task-5) Development of horizontal accelerometer for the inverted pendulum [host: Takahashi]

• Experiment at National Astronomical Observatory at Mitaka

(Task-6) Site development of Kamioka [host: Kokeyama]

• Development real time software for subsystem controls
• Develop the mine environment monitor system
• Fabrications for analog circuits
• Other input/output optics installation tasks

Overseas Participants List

2015

• Janis Woehler (AEI): Task-4
• Joris van Heijningen (NIKHEF): Task-5
• Jerome Degallaix (LMA): optical simulation at ICRR
• Kazuhiro Agatsuma (NIKHEF) : Task-5
• Eleonora Capocasa (LMA) : filter cavity at NAOJ

Allocation Plan