Actuator efficiencies

Date

BS

ITMX

ITMY

ETMX

ETMY

PRM

klog

'19/11/26 Free swing

6.02e-11

1.71e-12 ※1

6.05e-12 ※1

1.0e-9

#11754, #13020

'20/04/07 Pcal

4.66e-12

4.03e-12

#14073

'20/04/16 Pcal

4.71e-12

4.06e-12

#14194

'20/04/21 Free swing

5.63e-11

5.17e-12

5.84e-12

4.46e-12

3.45e-12

#14554, #14265

'20/04/21 Pcal

4.59e-12

3.91e-12

#14260


2nd Engineering run (2019/7/13)

contrast

optical gain (cnt/m)

Before

78.2%

2.63e8

After

64.3%

2.18e8