The application of wavefront coding in the infrared optical system in the tokomak fusion reaction

Bang Shuai Zhang; Jun Chang; Xian Zu Gong; Kai Fu Gan; Shu Long Feng; Jiao Ouyang

doi:10.1016/j.fusengdes.2012.03.018

The application of wavefront coding in the infrared optical system in the tokomak fusion reaction

Bang Shuai Zhang, Jun Chang^*, Xian Zu Gong, Kai Fu Gan, Shu Long Feng, Jiao Ouyang

^*Corresponding author for this work

School of Optics and Photonics

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

1 Citation (Scopus)

Abstract

This article describes the principle of wavefront coding (WFC) technology and the role it plays in optical system. The infrared optical system in tokamak includes three parts: (1) the combination of the concave aspheric mirror and flat mirror; (2) the Cassegrain system; (3) the relay group lenses. Because of the application of wavefront coding, the optical system is less sensitive to the change of the temperature and the depth of field is enlarged. Comparing the modulation transfer function (MTF) of the original optical system and the improved system in different temperatures, the results show that the new system can be used in a larger range of temperature.

Original language	English
Pages (from-to)	369-372
Number of pages	4
Journal	Fusion Engineering and Design
Volume	87
Issue number	4
DOIs	https://doi.org/10.1016/j.fusengdes.2012.03.018
Publication status	Published - May 2012

Keywords

Infrared ray (IR) optical system
Nuclear fusion
Tokomak
Wavefront coding

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10.1016/j.fusengdes.2012.03.018

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title = "The application of wavefront coding in the infrared optical system in the tokomak fusion reaction",

abstract = "This article describes the principle of wavefront coding (WFC) technology and the role it plays in optical system. The infrared optical system in tokamak includes three parts: (1) the combination of the concave aspheric mirror and flat mirror; (2) the Cassegrain system; (3) the relay group lenses. Because of the application of wavefront coding, the optical system is less sensitive to the change of the temperature and the depth of field is enlarged. Comparing the modulation transfer function (MTF) of the original optical system and the improved system in different temperatures, the results show that the new system can be used in a larger range of temperature.",

keywords = "Infrared ray (IR) optical system, Nuclear fusion, Tokomak, Wavefront coding",

author = "Zhang, {Bang Shuai} and Jun Chang and Gong, {Xian Zu} and Gan, {Kai Fu} and Feng, {Shu Long} and Jiao Ouyang",

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AU - Gan, Kai Fu

AU - Feng, Shu Long

AU - Ouyang, Jiao

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AB - This article describes the principle of wavefront coding (WFC) technology and the role it plays in optical system. The infrared optical system in tokamak includes three parts: (1) the combination of the concave aspheric mirror and flat mirror; (2) the Cassegrain system; (3) the relay group lenses. Because of the application of wavefront coding, the optical system is less sensitive to the change of the temperature and the depth of field is enlarged. Comparing the modulation transfer function (MTF) of the original optical system and the improved system in different temperatures, the results show that the new system can be used in a larger range of temperature.

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The application of wavefront coding in the infrared optical system in the tokomak fusion reaction

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Keywords

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