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Enhancement of Optical Fiber Coupling Based on Collimated and Focused Laser Diode Beam with Micro Aspherical Plano-Convex Lens Fabricated by Excimer Laser
Fiber and Integrated Optics ( IF 1.7 ) Pub Date : 2018-06-01 , DOI: 10.1080/01468030.2018.1480733
Muttahid Ull Hoque

In this article, we have proposed and demonstrated experimentally the double plano-convex micro-aspherical lens scheme to amplify an edge-emitting laser diode (LD) to optical fiber coupler. Both microlenses have two different profiles along their x- and the y-axes direction. The optical simulation software Zemax is used to design and optimize the proposed microlens profile and then fabricate by an excimer laser micromachining system. Focal spot size of LD around 9 µm is achieved experimentally. Light coupling efficiency between LD and optical fiber, using this double plano-convex microlens, is 27.57% and 44.23% for single-mode and multi-mode fiber, respectively.



中文翻译:

利用准分子激光器制造的微非球面平凸透镜增强基于准直聚焦激光二极管光束的光纤耦合

在本文中,我们提出并实验证明了双平凸微非球面透镜方案,可将边缘发射激光二极管(LD)放大为光纤耦合器。两个微透镜沿其x轴和y轴方向都具有两个不同的轮廓。光学仿真软件Zemax用于设计和优化建议的微透镜轮廓,然后通过准分子激光微加工系统进行制造。通过实验可以实现LD的焦点尺寸约为9 µm。使用这种双平凸微透镜,LD和光纤之间的光耦合效率对于单模和多模光纤分别为27.57%44.23%

更新日期:2018-06-01
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