The high-numerical aperture photonic crystal fibers and application in astronomy

Weimin Sun; Xiaoqi Liu; Haijiao Yu; Yu Jiang; Zhongwen Hu; Yongtian Zhu

doi:10.1117/12.871797

9 November 2010 The high-numerical aperture photonic crystal fibers and application in astronomy

Weimin Sun, Xiaoqi Liu, Haijiao Yu, Yu Jiang, Zhongwen Hu, Yongtian Zhu

Proceedings Volume 7849, Optical Design and Testing IV; 784916 (2010) https://doi.org/10.1117/12.871797
Event: Photonics Asia 2010, 2010, Beijing, China

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.

Citation Download Citation

Weimin Sun, Xiaoqi Liu, Haijiao Yu, Yu Jiang, Zhongwen Hu, and Yongtian Zhu "The high-numerical aperture photonic crystal fibers and application in astronomy", Proc. SPIE 7849, Optical Design and Testing IV, 784916 (9 November 2010); https://doi.org/10.1117/12.871797

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