KAGRA – Toward joining O3
1The extreme Universe viewed in very-high-energy gamma-rays 2018
Masatake OHASHI (ICRR)
Schedule of KAGRA
2
2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020
Project start
Tunnel Excavation
iKAGRA
bKAGRA
First operation
3km Cryogenic Interferometer
Final installation
Commissioning and Observation
iKAGRA
3km Michelson Interferometer
The extreme Universe viewed in very-high-energy gamma-rays 2018
Toward joining O3
3
acceleration
• We have decided to accelerate KAGRA schedule to join O3.
The extreme Universe viewed in very-high-energy gamma-rays 2018
Required Items
Sensitivity (10W, x4 O1 excess)
DRFPMI (RSE)(42 Mpc)
PRFPMI(27 Mpc)
FPMI(9.5 / 16 Mpc)
ALS (green lock) ◎ ○ ×(better to have)
f3 AM (MZI *) ◎ ○ ×
Extra locking simulation × ◎ ×
SRC ASC ◎ × ×
SRM ◎ ○(Blank or move OMMT)
○(Blank or move OMMT)
OMC △ △ △
Comment SRC ASC might be tough f1 will be 1/10, no SRC mode cleaning
PRM: tilt or blank or move IMMTNo PRC jitter attenuation
◎: Necessary for locking○: Can be omitted with extra work△: Can be omitted with sensitivity degradation×: Not necessary
* AM generation with 45 deg tilted EOM is not possible with wedged EOM
4The extreme Universe viewed in very-high-energy gamma-rays 2018
Noise Curves
5
Various possibilities of KAGRA's sensitivity
Enomoto and Michimura made 3 noise curves of KAGRA with BNS range of(1.3, 9.6, 42)Mpc. We interpolate these curves to obtain noise curves for other ranges. For LIGO/Virgo, LIGO: 120Mpc, Virgo 60Mpc (taken from arXiv:1304.0670v6)
LIGO(120Mpc)
Virgo(60Mpc)KAGRA(20Mpc)KAGRA(10Mpc)KAGRA(5Mpc)KAGRA(1Mpc)
(Living Reviews in Relativity; 21:3; 2018)
The extreme Universe viewed in very-high-energy gamma-rays 2018
2018 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2019 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
ETMX Install
Ph
ase
1
Op
era
tion
ITMX InstallXarm COM.
ITMY arrives
Toyama Univ.8/27
Post
COM.
ETMX cooling
Measurements
ITMX cool
DRFPMI COM.
bKAGRA phase-2 schedule
ITMY
Instal
O3start O3end
Middle
Baffle
2018/8/20 chief meeting
High Power Laser, IMC, IMM
Green Lock System
Output Mode Cleaner, OMMT, OFI
ITMX Type-A Tower install ITMY Type-A Tower install
SR2, 3, M install
ITMX arrives
Toyama Univ.5/7
ETMYTake out Re-Instal
ITMY
Contr
ETMX
cool
DRFPMI
ASC/Laser
power upFPMI
ASC
OR
I/ETMYcooling
X-end
BRT
Y-
end
WA
BX-front WAB &
NAB install
Y
front/en
d NAB
Y-end
BRT
Y-front WAB cool test
X-end
Pcal
install
Y-end Pcal install &
test
ETMXTake outRe-Install
X-end Pcal test
Check
point
Check
point
Check
point
X-
end
NAB
ETMY
Type-A
Tower
Retune
Center,
I/ETMX
Beam
Align.
Pump.
Center, I/ETMY
Beam Align, Pump
ETM
Y
Contr
ITMX
contr
Post COM.
Middle
Baffle
X-
end
WA
B
ITMY
Assemble
Center, I/ETMY
Beam Alignment
Pumping
ETMXTake outRe-Install
I/ETMY
cooling
Y
front
WA
B
Yarm COM.
DRMI COM.
ETMX Control,
Alignment,
Pumping
FPMI
6
2018 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2019 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
ETMX Install
Ph
ase
1
Op
era
tion
ITMX InstallXarm COM.
ITMY arrives
Toyama Univ.8/27
Post
COM.
ETMX cooling
Measurements
ITMX cool
DRFPMI COM.
bKAGRA phase-2 schedule
ITMY
Instal
O3start O3end
Middle
Baffle
2018/8/20 chief meeting
High Power Laser, IMC, IMM
Green Lock System
Output Mode Cleaner, OMMT, OFI
ITMX Type-A Tower install ITMY Type-A Tower install
SR2, 3, M install
ITMX arrives
Toyama Univ.5/7
ETMYTake out Re-Instal
ITMY
Contr
ETMX
cool
DRFPMI
ASC/Laser
power upFPMI
ASC
OR
I/ETMYcooling
X-end
BRT
Y-
end
WA
BX-front WAB &
NAB install
Y
front/en
d NAB
Y-end
BRT
Y-front WAB cool test
X-end
Pcal
install
Y-end Pcal install &
test
ETMXTake outRe-Install
X-end Pcal test
Check
point
Check
point
Check
point
X-
end
NAB
ETMY
Type-A
Tower
Retune
Center,
I/ETMX
Beam
Align.
Pump.
Center, I/ETMY
Beam Align, Pump
ETM
Y
Contr
ITMX
contr
Post COM.
Middle
Baffle
X-
end
WA
B
ITMY
Assemble
Center, I/ETMY
Beam Alignment
Pumping
ETMXTake outRe-Install
I/ETMY
cooling
Y
front
WA
B
Yarm COM.
DRMI COM.
ETMX Control,
Alignment,
Pumping
Outline of the schedule
• Installation will be completed by the end of March 2019.
• Commissioning will start from September 2018 along with installation works.
• Commissioning of the first full interferometer configuration (FPMI) will start from March
2019. After then, we start DRFPMI or FPMI, depending on results of three checking points
planned on the end of September, December and March.
X-arm
Y-arm
FPMI
7
2018 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2019 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
ETMX Install
Ph
ase
1
Op
era
tion
ITMX InstallXarm COM.
ITMY arrives
Toyama Univ.8/27
Post
COM.
ETMX cooling
Measurements
ITMX cool
DRFPMI COM.
bKAGRA phase-2 schedule
ITMY
Instal
O3start O3end
Middle
Baffle
2018/8/20 chief meeting
High Power Laser, IMC, IMM
Green Lock System
Output Mode Cleaner, OMMT, OFI
ITMX Type-A Tower install ITMY Type-A Tower install
SR2, 3, M install
ITMX arrives
Toyama Univ.5/7
ETMYTake out Re-Instal
ITMY
Contr
ETMX
cool
DRFPMI
ASC/Laser
power upFPMI
ASC
OR
I/ETMYcooling
X-end
BRT
Y-
end
WA
BX-front WAB &
NAB install
Y
front/en
d NAB
Y-end
BRT
Y-front WAB cool test
X-end
Pcal
install
Y-end Pcal install &
test
ETMXTake outRe-Install
X-end Pcal test
Check
point
Check
point
Check
point
X-
end
NAB
ETMY
Type-A
Tower
Retune
Center,
I/ETMX
Beam
Align.
Pump.
Center, I/ETMY
Beam Align, Pump
ETM
Y
Contr
ITMX
contr
Post COM.
Middle
Baffle
X-
end
WA
B
ITMY
Assemble
Center, I/ETMY
Beam Alignment
Pumping
ETMXTake outRe-Install
I/ETMY
cooling
Y
front
WA
B
Yarm COM.
DRMI COM.
ETMX Control,
Alignment,
Pumping
Checkpoint at the end of September
If either ITMY, high power laser or green lock system is not available at this point,
FPMI is to be selected.
FPMI
8
2018 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2019 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
ETMX Install
Ph
ase
1
Op
era
tion
ITMX InstallXarm COM.
ITMY arrives
Toyama Univ.8/27
Post
COM.
ETMX cooling
Measurements
ITMX cool
DRFPMI COM.
bKAGRA phase-2 schedule
ITMY
Instal
O3start O3end
Middle
Baffle
2018/8/20 chief meeting
High Power Laser, IMC, IMM
Green Lock System
Output Mode Cleaner, OMMT, OFI
ITMX Type-A Tower install ITMY Type-A Tower install
SR2, 3, M install
ITMX arrives
Toyama Univ.5/7
ETMYTake out Re-Instal
ITMY
Contr
ETMX
cool
DRFPMI
ASC/Laser
power upFPMI
ASC
OR
I/ETMYcooling
X-end
BRT
Y-
end
WA
BX-front WAB &
NAB install
Y
front/en
d NAB
Y-end
BRT
Y-front WAB cool test
X-end
Pcal
install
Y-end Pcal install &
test
ETMXTake outRe-Install
X-end Pcal test
Check
point
Check
point
Check
point
X-
end
NAB
ETMY
Type-A
Tower
Retune
Center,
I/ETMX
Beam
Align.
Pump.
Center, I/ETMY
Beam Align, Pump
ETM
Y
Contr
ITMX
contr
Post COM.
Middle
Baffle
X-
end
WA
B
ITMY
Assemble
Center, I/ETMY
Beam Alignment
Pumping
ETMXTake outRe-Install
I/ETMY
cooling
Y
front
WA
B
Yarm COM.
DRMI COM.
ETMX Control,
Alignment,
Pumping
Checkpoint at the end of December
If any serious delay or troubles in X-arm commissioning would be found,
FPMI is to be selected.
FPMI
9
2018 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2019 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
ETMX Install
Ph
ase
1
Op
era
tion
ITMX InstallXarm COM.
ITMY arrives
Toyama Univ.8/27
Post
COM.
ETMX cooling
Measurements
ITMX cool
DRFPMI COM.
bKAGRA phase-2 schedule
ITMY
Instal
O3start O3end
Middle
Baffle
2018/8/20 chief meeting
High Power Laser, IMC, IMM
Green Lock System
Output Mode Cleaner, OMMT, OFI
ITMX Type-A Tower install ITMY Type-A Tower install
SR2, 3, M install
ITMX arrives
Toyama Univ.5/7
ETMYTake out Re-Instal
ITMY
Contr
ETMX
cool
DRFPMI
ASC/Laser
power upFPMI
ASC
OR
I/ETMYcooling
X-end
BRT
Y-
end
WA
BX-front WAB &
NAB install
Y
front/en
d NAB
Y-end
BRT
Y-front WAB cool test
X-end
Pcal
install
Y-end Pcal install &
test
ETMXTake outRe-Install
X-end Pcal test
Check
point
Check
point
Check
point
X-
end
NAB
ETMY
Type-A
Tower
Retune
Center,
I/ETMX
Beam
Align.
Pump.
Center, I/ETMY
Beam Align, Pump
ETM
Y
Contr
ITMX
contr
Post COM.
Middle
Baffle
X-
end
WA
B
ITMY
Assemble
Center, I/ETMY
Beam Alignment
Pumping
ETMXTake outRe-Install
I/ETMY
cooling
Y
front
WA
B
Yarm COM.
DRMI COM.
ETMX Control,
Alignment,
Pumping
Checkpoint at the end of March
DRFPMI will be selected if all the elements are available,
otherwise ASC (alignment sensing control) of FPMI is proceeded.
FPMI
10
2018 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2019 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
ETMX Install
Ph
ase
1
Op
era
tion
ITMX InstallXarm COM.
ITMY arrives
Toyama Univ.8/27
Post
COM.
ETMX cooling
Measurements
ITMX cool
DRFPMI COM.
bKAGRA phase-2 schedule
ITMY
Instal
O3start O3end
Middle
Baffle
2018/8/20 chief meeting
High Power Laser, IMC, IMM
Green Lock System
Output Mode Cleaner, OMMT, OFI
ITMX Type-A Tower install ITMY Type-A Tower install
SR2, 3, M install
ITMX arrives
Toyama Univ.5/7
ETMYTake out Re-Instal
ITMY
Contr
ETMX
cool
DRFPMI
ASC/Laser
power upFPMI
ASC
OR
I/ETMYcooling
X-end
BRT
Y-
end
WA
BX-front WAB &
NAB install
Y
front/en
d NAB
Y-end
BRT
Y-front WAB cool test
X-end
Pcal
install
Y-end Pcal install &
test
ETMXTake outRe-Install
X-end Pcal test
Check
point
Check
point
Check
point
X-
end
NAB
ETMY
Type-A
Tower
Retune
Center,
I/ETMX
Beam
Align.
Pump.
Center, I/ETMY
Beam Align, Pump
ETM
Y
Contr
ITMX
contr
Post COM.
Middle
Baffle
X-
end
WA
B
ITMY
Assemble
Center, I/ETMY
Beam Alignment
Pumping
ETMXTake outRe-Install
I/ETMY
cooling
Y
front
WA
B
Yarm COM.
DRMI COM.
ETMX Control,
Alignment,
Pumping
FPMI
Data transfer rehearsal (test with L/V); possible schedule
• DMG & DAS are planning DTRs with dummy data before O3 starting.
KSC is in charge of scheduling and so on.
• DTRs shown on the bottom schedule will be using live KAGRA data.
DTRs may take a week or so.
DTR DTR DTR DTR11
Summary
• In the spring of 2019, we expect to complete the construction phase and move on to the commissioning phase. KAGRA plans to join O3 in the fall of 2019.
1212The extreme Universe viewed in very-high-energy gamma-rays 2018