1 K. Yamamoto , R. Takahashi, T. Sekiguchi, T. Uchiyama, H. Ishizaki A , A. Takamori B , R. DeSalvo C , E. Majorana D , LCGT collaboration ICRR, NAO A ,ERI B , Sanio Univ C ., INFN D Development of vibration isolation systems for LCGT VI 2011 September 18 The meeting of Physical Society of Japan @Hirosaki University, Aomori
24
Embed
K. Yamamoto , R. Takahashi, T. Sekiguchi, T. Uchiyama, H. Ishizaki A ,
Development of vibration isolation systems for LCGT VI. K. Yamamoto , R. Takahashi, T. Sekiguchi, T. Uchiyama, H. Ishizaki A , A. Takamori B , R. DeSalvo C , E. Majorana D , LCGT collaboration ICRR, NAO A ,ERI B , Sanio Univ C ., INFN D. 2011 September 18 - PowerPoint PPT Presentation
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
1
K. Yamamoto, R. Takahashi, T. Sekiguchi, T. Uchiyama, H. IshizakiA, A. TakamoriB, R. DeSalvoC, E. MajoranaD, LCGT collaboration
ICRR, NAOA,ERIB, Sanio UnivC., INFND
Development of vibration isolation systems
for LCGT VI
2011 September 18The meeting of Physical Society of Japan
@Hirosaki University, Aomori
2
And other people join …
K. Kuroda, M. Ohashi, S. Miyoki, C. Tokoku, M. Kamiizumi, U. Iwasaki, Y. Sakakibara, T. AkutsuA, T. SuzukiE, N. KimuraE, S. KoikeE,
K. TubonoF, Y. AsoF, T. UshibaF, K. ShibataF, N. OhmaeG, K. SomiyaH
Cryogenic system : One of key features of LCGT project Reduction of thermal noise, thermal lens, and parametric instabilityK. Yamamoto, Journal of Cryogenics and Superconductivity Society of Japan 46 (2011) 426 (in Japanese).
Measurement of strength and thermal resistance in KEK (T. Ushiba, K. Shibata, T. Suzuki)
3. Current status(2) Monolithic sapphire mirror suspension
19
Part on surface of mirror
(T. Ushiba, K. Shibata, T. Suzuki)
3. Current status(2) Monolithic sapphire mirror suspension
20(T. Suzuki)
3. Current status(2) Monolithic sapphire mirror suspension
Part on surface of mirror
21
(3)Noise
Angular fluctuation by external vibration (via heat link) : T. Sekiguchi’s talk
Thermal noise : K. Somiya’s talk
3. Current status
22
Cryogenic payload : One of key features of LCGT projectCryogenic part of seismic isolation system
Cryostat installation in ICRR (Kashiwa) ~2013.3 (Check of cryostat system)
Check of cryogenic payload in ICRR
Preparation is in progress. (1)Thermal simulation (2)Sapphire fiber-mirror connection (3)Simulation of effect of external vibration (with heat link) (4)Thermal noise
4. Summary
23
(1)How to assemble Details of construction, clean room ….
(2)Control system Actuators (what and where), resonant mode (frequency and Q)