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Proceedings Paper

The high-numerical aperture photonic crystal fibers and application in astronomy
Author(s): Weimin Sun; Xiaoqi Liu; Haijiao Yu; Yu Jiang; Zhongwen Hu; Yongtian Zhu
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Paper Abstract

In order to detect the weak light of the protostars in astronomy, we design a new type of photonic crystal fibers with high numerical aperture. Through controlling the number and the diameter of the air holes around the central fiber core, the numerical aperture can also be adjusted to apt different applications. With the help of the big air holes, the loss can be reduced to less than 0.1dB/km. So this kind of high numerical aperture fibers has the strong ability to collect light and the loss is very low.

Paper Details

Date Published: 9 November 2010
PDF: 6 pages
Proc. SPIE 7849, Optical Design and Testing IV, 784916 (9 November 2010); doi: 10.1117/12.871797
Show Author Affiliations
Weimin Sun, Harbin Engineering Univ. (China)
Xiaoqi Liu, Harbin Engineering Univ. (China)
Haijiao Yu, Harbin Engineering Univ. (China)
Yu Jiang, Harbin Engineering Univ. (China)
Zhongwen Hu, Nanjing Institute of Astronomical Optics & Technology (China)
Yongtian Zhu, Nanjing Institute of Astronomical Optics & Technology (China)


Published in SPIE Proceedings Vol. 7849:
Optical Design and Testing IV
Yongtian Wang; Julie Bentley; Chunlei Du; Kimio Tatsuno; Hendrik P. Urbach, Editor(s)

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