Evaluation method of optical properties for photonic crystal fibers based on total variation and wavelet model

Shen Yan; Xie Yi; Lou Shuqin

doi:10.3788/IRLA201645.0722001

Based on the combination model of total variation and wavelet transform, an improved method was proposed to rapidly evaluate the optical properties of actual Photonic Crystal Fibers(PCFs). Firstly, the total variation model in the wavelet domain was set up in this paper. Secondly, the split Bregman algorithm was used iteratively to denoise the cross-section images of PCFs, and thus the edge structures of air holes of PCFs image was kept. Thirdly, the optical properties of practical PCFs were evaluated rapidly by the adoption of the finite element method. By analyzing microscope images of cross sections of commercial and homemade PCFs, it is proved that the proposed method can achieve higher evaluation accuracy of optical properties of PCFs and the Gibbs and staircase effect can be eliminated efficiently in the extraction process of the edges of air holes in PCFs image.

Evaluation method of optical properties for photonic crystal fibers based on total variation and wavelet model

1. School of Electronic and Information Engineering,Beijing Jiaotong University,Beijing 100044,Chinese

Received Date: 2015-11-24

Rev Recd Date: 2015-12-27

Publish Date: 2016-07-25

Key words:

Abstract: Based on the combination model of total variation and wavelet transform, an improved method was proposed to rapidly evaluate the optical properties of actual Photonic Crystal Fibers(PCFs). Firstly, the total variation model in the wavelet domain was set up in this paper. Secondly, the split Bregman algorithm was used iteratively to denoise the cross-section images of PCFs, and thus the edge structures of air holes of PCFs image was kept. Thirdly, the optical properties of practical PCFs were evaluated rapidly by the adoption of the finite element method. By analyzing microscope images of cross sections of commercial and homemade PCFs, it is proved that the proposed method can achieve higher evaluation accuracy of optical properties of PCFs and the Gibbs and staircase effect can be eliminated efficiently in the extraction process of the edges of air holes in PCFs image.

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Reference (14)

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Evaluation method of optical properties for photonic crystal fibers based on total variation and wavelet model

doi: 10.3788/IRLA201645.0722001

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