Development of CHARA/SPICA Project for Stellar Astrophysics Research
CHARA/SPICA project history spans from funding requests to the realization of SPICA instruments, including SPICA-FT and SPICA-VIS. Scientific requirements focus on stellar physics, visible interferometry, and large surveys for stellar parameters determination, with detailed specifications for fringe
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Exploring Light Interference and Interferometry
Discover the fascinating world of light interference and interferometry through examples like Young's double slit experiment and supernumerary rainbows. Understand how the path length difference affects interference levels and delve into the applications of interferometry across various scientific f
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Limits on Dark Energy Using Atom Interferometry - UC Berkeley Study
Research conducted by Paul Hamilton Müller's group at the University of California, Berkeley, focuses on using atom interferometry to explore dark energy. The study delves into screened scalar fields as dark energy, future reach with atom interferometry, known unknowns related to dark energy densit
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Determining OBS Clock Drift Using Seismic Interferometry
Determining clock errors in Ocean Bottom Seismometers (OBSs) is crucial for accurate seismic data recording. This study presents a method using ambient seismic noise and seismic interferometry to correct clock drift in OBSs. The program developed employs Python/Fortran to analyze seismic data direct
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Detecting Gravitational Waves with Interferometers
Gravitational waves, predicted by Einstein's Theory of General Relativity, are incredibly weak ripples in spacetime that can be detected using interferometers. This method involves using suspended mirrors to reproduce free-fall conditions, enhancing signals through various techniques like Michelson
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Updates on iKAGRA Installation and Configuration Changes
The report discusses changes in the iKAGRA configuration from Fabry-Perot Michelson Interferometer to Michelson Interferometer due to schedule constraints and budget limitations. The document outlines the revised schedule for installation tasks, shift applications, and the impact on the KAGRA projec
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The Behavior of Spotless Active Regions During Solar Minimum
In this work presented at the SPAnet Workshop on Radio Astronomy in 2017, the study analyzed the physical parameters of spotless active regions observed during the solar minimum period from 2007 to 2010. Radio maps at 17 GHz from the Nobeyama Radioheliograph and magnetograms from the Michelson Doppl
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Sub-femtosecond Bunch Length Diagnostic and Machine Performance Optimization
Characterizing bunch profiles of sub-ps pulses for machine performance optimization and understanding beam variations in emittance. Current bunch length measurement techniques are limited to a few fs, prompting the need for femtosecond resolution. Techniques like Coherent Radiation Interferometry an
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SPICA-VIS Photometry Transport System Overview
This detailed overview outlines the intricate components of the SPICA-VIS photometry transport system, including modules for photometry, interferometry, dispersion, signal detection, and more. Key elements such as the optical fiber feeding optics, polarization delay compensator, atmospheric dispersi
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