1 citations · 1 across the 2 of their papers we have counts for
5 papers
Primary accelerometer calibration with two-axis automatic positioning stage
Wataru Kokuyama, Tomofumi Shimoda, Hideaki Nozato
In this study, we developed an automated, multipoint primary accelerometer calibration system using a two-axis positioning stage and a heterodyne laser interferometer. The proposed…
Compact integrated optical sensors and electromagnetic actuators for vibration isolation systems in the gravitational-wave detector KAGRA
Tomotada Akutsu, Fabián Erasmo Peña Arellano, Ayaka Shoda +18
This paper reports on the design and characteristics of a compact module integrating an optical displacement sensor and an electromagnetic actuator for use with vibration-isolation…
Torsion-bar antenna: a ground-based mid-frequency and low-frequency gravitational wave detector
Tomofumi Shimoda, Satoru Takano, Ching Pin Ooi +4
Expanding the observational frequency of gravitational waves is important for the future of astronomy. Torsion-Bar Antenna (TOBA) is a mid-frequency and low-frequency gravitational…
Nonlinear vibration transfer in torsion pendulums
Tomofumi Shimoda, Masaki Ando
Torsion pendulums have been widely used in physical experiments, because their small restoring forces are suitable for tiny force measurement. Recently, some applications such as l…
Seismic Cross-coupling Noise in Torsion Pendulums
Tomofumi Shimoda, Naoki Aritomi, Ayaka Shoda +2
Detection of low frequency gravitational waves around 0.1 Hz is one of the important targets for future gravitational wave observation. One of the main sources of the expected sign…