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Title: PowerPoint Presentation Last modified by: Tsubaki Created Date: 1/1/1601 12:00:00 AM Document presentation format: Other titles – PowerPoint PPT presentation

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Title: ??


1
??????(????)
  • ???????? ????,????
  • 2010?6?15?-16? LCGT Face-to-Face Meeting _at_ICRR

2
LCGT?????????
?????????
Input Optics??????(????)
2nd MC
FP-cavity
1st MC
Mod.
Mod.
PRM
BS
FP-cavity
Laser
SEM
???50
150W
75W
??????????
3
???
???? ????????????? ??????????????
?????? ????????,??
PZT
QWP
NdYAG rod
????? (??????)
quartz rotator
???????????? (?)???? ? ??????????
WB-EOM
150W
BW
PBS
EOM
FI
2W
FI
100W
10 kHz lt f lt 1 MHz WB-EOM
PD
NdYAG NPRO
??????
f lt 10 kHz PZT, Crystal Temp.
4
?????100W NdYAG????
  • ??100-110W
  • ?????(l1064nm)
  • ??????(M2lt1.1)
  • ????(horizontal)
  • ???????????????????.

Slave laser
5
100W????????????????
PZT
NdYAG rod
quartz rotator
Reference cavity Finesse 2900 FSR 714MHz
Brewster window
NdYAG NPRO
EOM
FI
FI
2W
Wideband EOM
EOM
100W
PD
PD
piezo
oscillator
mixer
oscillator
mixer
gt10kHz
lt10kHz
Frequency Stabilization
6
?????
  • ?????????????.
  • ????
  • ??100W
  • TEM00
  • ????
  • ????????
  • UGF1MHz
  • ????????????.
  • EOM
  • LNOXIDE?SLN.
  • RTPRaicol(?????)
  • A-LIGO??????.
  • FR
  • 100W????????.
  • ???????????.
  • A-LIGO??????.
  • ???????????.
  • ???100W?150W
  • ??,?????.
  • ???????????.
  • ?????????
  • ??????????.
  • ?????.
  • MC???????????.
  • ?????
  • ??
  • 200W??????????????.
  • ??????????
  • 1st MC?????????,input optics???????????.

7
??????????
  • ???
  • LCGT??????????
  • A-LIGO,A-VirgoLZH(???)???????
  • ?????,?????????,????????
  • ????????
  • ???NPRO
  • ???????????
  • ????
  • ???Nd????,Nd???????????
  • ??Yb????????

8
?????????????
  • ????
  • ????????
  • ????????
  • ????
  • ?????????
  • ???????????
  • ALL??????????????????
  • ????
  • ????????????100W?????????.
  • ?????????.
  • ????,?????,?? ??.

9
????????????(IPG?NUFERN)
  • A-Virgo
  • ??,IPG photonics?????????????.
  • ????LZH??????????(A-LIGO?????).
  • NUFERN?100W???????????????????.
  • CLEO/QELS2010_at_????(USA)2010?5?(GWADW????)
  • ?????????
  • IPG photonics
  • ????,????????50W
  • ??????,????????150W
  • NUFERN
  • ????,????????15W
  • ????????40W

10
???
  • ????????????????????????.
  • ????,100W?PMC?????(??).
  • ?????????????.???????.
  • ???????????
  • Orbits Lightwave?LISA???.
  • NP Photonics
  • ??????
  • IPG photonics
  • NUFERN
  • ?????????????,Coherent Addition????.
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