Researches


Construction of a Cryogenic Laser Interferometer Observatory (CLIO) and CLIK

Seismic isolation system for a cryogenic mirror(2003)
Uchiyama, Miyoki, Yamamoto and KEK members.

Characterization of super-elastic metal for an isolation wire(2003)
Miyoki,

Simulation of CLIO using E2E program(2003)
Hayakawa,

Cryogenic Fabry-Perot Cavity Control(2001)
Miyoki, Yamamoto,

Development of Heat Link Isolation System (2001)
Miyoki, Uchiyama, Yamamoto,

Cooling Test (2000)
Uchiyama,Miyoki and KEK members,

Vibration Test (2000)
Miyoki, Uchiyama,

Current Load Test to Wirings (2000)
Miyoki,

Cooling of the Multi-Stage Suspension System (2000-2001)
Miyoki,



Data Analysis



Laser Technique



Cryogenic Interferometer R & D

Development of a high sensitive cryogenic accelerometer(2003)
Yamamoto, Miyoki, Tomaru,

Development of a sapphire substrate property check system(2003)
Tokunari, Hayakawa,

Thermal conductivity and mechanical property of pure Cu and Al (2002)
done by K.Kasahara et al.

Coating loss at Cryogenic Temperature (2002)
done by K.Yamamoto et al.

Mechanical Property of M2052 Metal at Cryogenic Temperature (2002)
done by R.Tanzi (Pro.Mio laboratory) et al.

Mechanical Quality Factor of CaF2 at Cryogenic Temperature (2002)
done by T.Uchiyama et al.

Magnetic levitation for seismic isolation (2001)
done by A.Okutomi et al.

LCGT sensitivity optimization (2001)
done by Hayashi et al.

Sizeeffect in thermal conductivity of sapphire faiber (2002)
done by T.Tomaru et al.

Sapphire Test Mass Cooling using Sapphier Fiber (1998)
done by T.Uchiyama et al.

Mechanical Q-factor Enhancement of Cryogenic Sapphire
Mirror (1999)
done by T.Uchiyama et al.

Mechanical Q-factor Enhancement of Cryogenic Sapphire
Suspension Fibers (2000)
done by T.Uchiyama et al.

Impurities in Sapphier (1999-2001)
done by T.Tomaru et al

Thermal Conductivity and Refractive Index fluctuation of Sapphire
at Cryogenic Temperature (1999-2001)
done by T.Tomaru et al

Calculation of Laser Interferometer's Properties using FFT Program (1999)
done by T.Tomaru et al
This research is a part of MOU program with LIGO.

Contamination due to Cryogenic Molecule Absorption 1 (1999)
done by S.Miyoki et al

Contamination due to Cryogenic Molecule Absorption 2 (2000)
done by S.Miyoki et al

Test Mass Drive using Superconductive Film and Coil (1999-2001)
done by N.Sato, T.Tomaru and S.Miyoki et al

Sapphire Bonding (2000)
done by S.Miyoki and C.T.Taylor


20m Interferometer in KAMIOKA Mine

Observation (1999-2002)
done by S.Sato et al
This research is collaborative works with National Astronomical Observatory.

Coincidence observation with TAMA300 and Veto Analysis (1999-2002)
done by S.Sato and H.Takahashi(Nigata-u)et al

Improvement of LISM (2003)
done by S.Miyoki, D.Tatsumi, K.Yamamoto, S.Telada, T.Uchiyama.


Resonant Detector using Optical Transducer

Development by A.Kondo et al

Observation by Yamahata and O.Miyakawa et al

High Energy Cosmic-Ray Detection
done by Pro.N.Kanda et al


X-Pendulum

1-Dimensional X-pendulum done by Dr. M.Barton et al

2-Dimensional X-pendulum
done by Dr. D.Tatsumi et al

X-Pendulum using Elastic Hinge done by Kakubo et al


Researches for TAMA300