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Japanese version is here.

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This archive contains some gravitational-wave-detection related documents and data in Japan. 　　 

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　 How to put data on this site (Japanese/EUC).

(Please read this document, if you put your documents here.)

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　 Documents and Data of TAMA Project

TAMA300 is an interferometric gravitational wave detector with 300-m baseline. Those who are interested in TAMA300 and the TAMA project are recommended to visit the homepage of TAMA300.

Proceedings of the TAMA International Workshop on Gravitational Wave Detection, Saitama, Japan (Nov. 12-14, 1996) (PDF, 3.6Mbytes, download the needed data only, page by page.)
[PDF format(3.6Mbytes). Use Acrobat Reader 3 or later (this file is incompatible with Acrobat Reader 2). If you want to download the whole PDF file (3.6Mbytes), click here. Post Script version is here(3.3Mbytes, zip compressed)]

TAMA project Organization (PDF)

[A figure which illustrates the organization of the TAMA project.]

Infrastructure

• TAMA300 drawings. (Ishizuka)[Some drawings of the buildings and the chambers of TAMA300. Comments are only in Japanese.]

Seismic motion

• Seismic motion of the site (Takahashi)　　　　　　　　　　　　　　　　　　　　　　　　.[Seismic motion of the TAMA300 site (NAO, Mitaka, Tokyo, Japan)]
• Seismic motion of the TAMA center room (Arai)　　　　　　　　　　　　　　　　　　　.[Seismic motion at the center room of TAMA300]

Vibration isolation

• Double pendulum suspension system for vibration isolation. (Arai) 　　　　　　　[The design and the measured isolation ratio of the double-pendulum mirror suspension for TAMA300, the seismic motion of the TAMA300 site]
• Suspension Installation. (Arai)[About the installation of the suspension systems for the main optical components of TAMA300. Schedules and status.]

Control, DAQ

• Control and DAQ documents. (Kamikubota)[Some documents concerning the data acquisition and the control of TAMA300.]

Status

• Suspension Installation. (Arai)
  [About the installation of the suspension systems for the main optical components of TAMA300. Schedules and status.]
• Recombine1.(S.Taniguchi)

                    [About recombine1 of TAMA300. Schedules and status.]

　　 Prototype, All-Suspended Interferometers

Noise spectra etc.
20m Fabry-Perot prototype@NAO.
[Noise spectrum, stack, suspension, and seismic motion.］

100m Delay-Line prototype Tenko100@ISAS
[Noise spectrum. Drift of the baseline.］

3m Fabry-Perot-Michelson Interferometer@u-tokyo.
[Noise Spectrum. The movie of the move of the interferometer.］



　　　 Seismic Noise, Ground Motion, and Drift

Seismic noise spectra at various places in Japan. (Araya)

Seismic noise spectra at Taiki-cho, Hokkaido. (Takahashi)

Drift of the 100-m baseline of Tenko100 (JPEG image). (H.Mizuno and K.Kawabe)

　　 Internal Report of Tsubono-Group

Magnet-Magnet Coupling

• The estimation of the coupling between control magnet and damping magnet. (Yamamoto)

Ring Cavity

• A report on a ring cavity with 3 mirrors. (Ando)
• Some calculations of the Gaussian modes and control method of the TAMA300 ring mode cleaner. (A document for Tsubono-Group seminar on 95/10/17) (Arai)

Power-recycled Fabry-Perot Michelson Interferometer

• Signal separation of RFPMI using harmonic demodulation. (Arai)

Programs

• Useful programs for PC98. (Araya)
• Applications for HP VEE (Arai)

Thermal Noise

Centering

• The status of centering (K.Yamamoto) (1998/7/24:revised 1998/8/1)

　　 Personal Archives

Most of the "ingredients" of these archives are included in the links presented above.
(They are here only for the "compatibility with the past" kind of reason.)
Araya[Seismic motion at various places in Japan. Useful Programs for PC98.]Ishizuka[Drawings of TAMA infrastructure.]
Takahashi[The suspension and the stack of 20m Prototype. Seismic motion of Mitaka. Seismic motion of Taiki-cho, Hokkaido.]　　 

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