Application of differential phase method to interferometry

Takuma Yamada; Akira Ejiri; Syun'Ichi Shiraiwa; Yuichi Takase

doi:10.1063/1.2405394

Application of differential phase method to interferometry

Takuma Yamada, Akira Ejiri, Syun'Ichi Shiraiwa, Yuichi Takase

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1 Scopus citations

Abstract

The differential phase (DP) method was applied to microwave interferometry for the first time. Its advantage over standard interferometry is that the greatly reduced phase shift enables the unique determination of phase. Such a system was implemented on the Tokyo Spherical Tokamak-2 (TST-2), and demonstrated that the correct phase shift can be obtained even when the probing frequency is close to the cutoff density, and that very fast time evolutions of the line-integrated density can be measured.

Original language	English (US)
Article number	124701
Journal	Review of Scientific Instruments
Volume	77
Issue number	12
DOIs	https://doi.org/10.1063/1.2405394
State	Published - 2006
Externally published	Yes

All Science Journal Classification (ASJC) codes

Instrumentation

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10.1063/1.2405394

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title = "Application of differential phase method to interferometry",

abstract = "The differential phase (DP) method was applied to microwave interferometry for the first time. Its advantage over standard interferometry is that the greatly reduced phase shift enables the unique determination of phase. Such a system was implemented on the Tokyo Spherical Tokamak-2 (TST-2), and demonstrated that the correct phase shift can be obtained even when the probing frequency is close to the cutoff density, and that very fast time evolutions of the line-integrated density can be measured.",

author = "Takuma Yamada and Akira Ejiri and Syun'Ichi Shiraiwa and Yuichi Takase",

year = "2006",

doi = "10.1063/1.2405394",

language = "English (US)",

volume = "77",

journal = "Review of Scientific Instruments",

issn = "0034-6748",

publisher = "American Institute of Physics",

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T1 - Application of differential phase method to interferometry

AU - Yamada, Takuma

AU - Ejiri, Akira

AU - Shiraiwa, Syun'Ichi

AU - Takase, Yuichi

PY - 2006

Y1 - 2006

N2 - The differential phase (DP) method was applied to microwave interferometry for the first time. Its advantage over standard interferometry is that the greatly reduced phase shift enables the unique determination of phase. Such a system was implemented on the Tokyo Spherical Tokamak-2 (TST-2), and demonstrated that the correct phase shift can be obtained even when the probing frequency is close to the cutoff density, and that very fast time evolutions of the line-integrated density can be measured.

AB - The differential phase (DP) method was applied to microwave interferometry for the first time. Its advantage over standard interferometry is that the greatly reduced phase shift enables the unique determination of phase. Such a system was implemented on the Tokyo Spherical Tokamak-2 (TST-2), and demonstrated that the correct phase shift can be obtained even when the probing frequency is close to the cutoff density, and that very fast time evolutions of the line-integrated density can be measured.

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U2 - 10.1063/1.2405394

DO - 10.1063/1.2405394

M3 - Article

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VL - 77

JO - Review of Scientific Instruments

JF - Review of Scientific Instruments

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M1 - 124701

ER -

Application of differential phase method to interferometry

Abstract

All Science Journal Classification (ASJC) codes

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