不同轮廓指数渐变折射率光纤尖端柱面微透镜的耦合光学研究

Q3 Engineering

Journal of Optical Communications Pub Date : 2023-07-25 DOI:10.1515/joc-2023-0129

Anindita Chattopadhyay, Angshuman Majumdar, S. Gangopadhyay

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引用次数: 0

摘要

摘要借助ABCD矩阵的概念，我们研究了激光二极管通过光纤尖端的圆柱形微透镜激发的单模圆芯渐变折射率光纤（GIF）的耦合效率。我们研究了一些特定轮廓指数（如g=4.0、8.0、10.0和20.0）的折射率分布效率。GIF的折射率分布早有研究。效率是沿着垂直平面计算的，因为效率沿着水平平面非常差。对于两个非常常见的波长1.3 μm和1.5 μm的效率，对于1.3 μm波长——在这种情况下，发现具有值g=4的轮廓指数（g）的折射率分布是最有效的。这些结果在光学优化设计中非常重要。

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Study of coupling optics of cylindrical microlens fabricated on tips of graded index fibers having different profile exponents

Abstract With the help of ABCD matrix concept, we examine the coupling efficiency of a single mode circular core graded index fiber (GIF) excited by laser diode via cylindrical micro lens on the fiber tip. We investigate the efficiencies for refractive index distribution of some specific profile exponents such as g = 4.0, 8.0, 10.0 and 20.0. The refractive index distribution for GIFs had been studied earlier. The efficiency is calculated along the vertical plane as the efficiency is very poor along the horizontal plane. For two very common wavelengths 1.3 μm and 1.5 μm the efficiencies have been calculated and for 1.3 μm wavelength the refractive index distribution of profile exponent (g) having the value g = 4 is found to be most efficient in this context. The results are very much important in the design of optical optimization.

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来源期刊

Journal of Optical Communications Engineering-Electrical and Electronic Engineering

CiteScore

2.90

自引率

0.00%

发文量

期刊介绍： This is the journal for all scientists working in optical communications. Journal of Optical Communications was the first international publication covering all fields of optical communications with guided waves. It is the aim of the journal to serve all scientists engaged in optical communications as a comprehensive journal tailored to their needs and as a forum for their publications. The journal focuses on the main fields in optical communications