Refractive index measurements of solid deuterium–tritium

Keisuke Iwano; Jiaqi Zhang; Akifumi Iwamoto; Yuki Iwasa; Keisuke Shigemori; Masanori Hara; Yuji Hatano; Takayoshi Norimatsu; Kohei Yamanoi

doi:10.1038/s41598-022-06298-1

Refractive index measurements of solid deuterium–tritium

Keisuke Iwano, Jiaqi Zhang, Akifumi Iwamoto, Yuki Iwasa, Keisuke Shigemori, Masanori Hara, Yuji Hatano, Takayoshi Norimatsu, Kohei Yamanoi^*

^*Corresponding author for this work

Hydrogen Isotope Research Center, Organization for Promotion of Research

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

Physical properties of tritium (T) and deuterium (D) have been of great interest as a fuel for nuclear fusion. However, several kinds of the physical properties in a cryogenic environment have not been reported. Optical properties in liquid and solid phases are indispensable for the quality control of the DT fuel. We study the dependence of the refractive index of solid DT on temperature. A dedicated cryogenic system has been developed and forms a transparent solid DT in a prism cell. Refractive index measurements based on Snell’s law were conducted. The refractive indexes of solid DT are from 1.1618 ± 0.0002 to 1.1628 ± 0.0002 in the temperature range of 19.40 K to 17.89 K.

Original language	English
Article number	2223
Journal	Scientific Reports
Volume	12
Issue number	1
DOIs	https://doi.org/10.1038/s41598-022-06298-1
State	Published - 2022/12

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title = "Refractive index measurements of solid deuterium–tritium",

abstract = "Physical properties of tritium (T) and deuterium (D) have been of great interest as a fuel for nuclear fusion. However, several kinds of the physical properties in a cryogenic environment have not been reported. Optical properties in liquid and solid phases are indispensable for the quality control of the DT fuel. We study the dependence of the refractive index of solid DT on temperature. A dedicated cryogenic system has been developed and forms a transparent solid DT in a prism cell. Refractive index measurements based on Snell{\textquoteright}s law were conducted. The refractive indexes of solid DT are from 1.1618 ± 0.0002 to 1.1628 ± 0.0002 in the temperature range of 19.40 K to 17.89 K.",

author = "Keisuke Iwano and Jiaqi Zhang and Akifumi Iwamoto and Yuki Iwasa and Keisuke Shigemori and Masanori Hara and Yuji Hatano and Takayoshi Norimatsu and Kohei Yamanoi",

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T1 - Refractive index measurements of solid deuterium–tritium

AU - Iwano, Keisuke

AU - Zhang, Jiaqi

AU - Iwamoto, Akifumi

AU - Iwasa, Yuki

AU - Shigemori, Keisuke

AU - Hara, Masanori

AU - Hatano, Yuji

AU - Norimatsu, Takayoshi

AU - Yamanoi, Kohei

PY - 2022/12

Y1 - 2022/12

N2 - Physical properties of tritium (T) and deuterium (D) have been of great interest as a fuel for nuclear fusion. However, several kinds of the physical properties in a cryogenic environment have not been reported. Optical properties in liquid and solid phases are indispensable for the quality control of the DT fuel. We study the dependence of the refractive index of solid DT on temperature. A dedicated cryogenic system has been developed and forms a transparent solid DT in a prism cell. Refractive index measurements based on Snell’s law were conducted. The refractive indexes of solid DT are from 1.1618 ± 0.0002 to 1.1628 ± 0.0002 in the temperature range of 19.40 K to 17.89 K.

AB - Physical properties of tritium (T) and deuterium (D) have been of great interest as a fuel for nuclear fusion. However, several kinds of the physical properties in a cryogenic environment have not been reported. Optical properties in liquid and solid phases are indispensable for the quality control of the DT fuel. We study the dependence of the refractive index of solid DT on temperature. A dedicated cryogenic system has been developed and forms a transparent solid DT in a prism cell. Refractive index measurements based on Snell’s law were conducted. The refractive indexes of solid DT are from 1.1618 ± 0.0002 to 1.1628 ± 0.0002 in the temperature range of 19.40 K to 17.89 K.

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Refractive index measurements of solid deuterium–tritium

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