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Ruoxin Liu, Zexiao Li, Yiting Duan and Fengzhou Fang
Off-axis reflective optical systems find wide applications in various industries, but the related manufacturing issues have not been well considered in the design process. This paper proposed a design method for cylindrical reflective systems considering...
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Sangmo Koo
Two-photon polymerization (TPP) based on the femtosecond laser (fs laser) direct writing technique in the realization of high-resolution three-dimensional (3D) shapes is spotlighted as a unique and promising processing technique. It is also interesting t...
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Xin Mu, Sailong Wu, Lirong Cheng and H.Y. Fu
Silicon photonics has drawn increasing attention in the past few decades and is a promising key technology for future daily applications due to its various merits including ultra-low cost, high integration density owing to the high refractive index of si...
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Pantea Nadimi Goki, Muhammad Imran, Claudio Porzi, Veronica Toccafondo, Francesco Fresi, Fabio Cavaliere and Luca Potì
The role of a semiconductor optical amplifier (SOA) for amplifying downstream traffic at optical network terminals (ONT) within a silicon-photonics integrated receiver in a high capacity passive optical network (PON) is investigated. The nearly traveling...
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Mahmoud H. Elshorbagy, Alexander Cuadrado and Javier Alda
This work reports on a computational analysis of how a modified perovskite cell can work as a refractometric sensor by generating surface plasmon resonances at its front surface. Metal-dielectric interfaces are necessary to excite plasmonic resonances. H...
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Hany Mahrous, Mostafa Fedawy, Mona El Sabbagh, W. Fikry and Michael Gad
Introducing high speed networks, such as the fifth generation of mobile technology and related applications including the internet of things, creates a pressing demand for hardware infrastructure that provides sufficient bandwidth. Here, silicon-based mi...
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Yuexin Zou, Jun Cao, Xue Gong, Ruijie Qian and Zhenghua An
Metamaterials integrated with graphene exhibit tremendous freedom in tailoring their optical properties, particularly in the infrared region, and are desired for a wide range of applications, such as thermal imaging, cloaking, and biosensing. In this art...
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Rana Sadaf Anwar, Lingfeng Mao and Huansheng Ning
The intent of this paper is to provide an overview of basic concepts, types, techniques, and experimental studies of the current state-of-the-art Frequency Selective Surfaces (FSSs). FSS is a periodic surface with identical two-dimensional arrays of elem...
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Jinseob Kim, Hyuntai Kim, Gun-Yeal Lee, Juhwan Kim, Byoungho Lee and Yoonchan Jeong
We propose a novel design method for multi-focal metallic Fresnel zone plates (MFZPs), which exploits the phase selection rule by putting virtual point sources (VPSs) at the desired focal points distant to the MFZP plane. The phase distribution at the MF...
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Jinjin Chen, Junhong Su, Ning Jin, Zexiao Li, Xiaodong Zhang, Hao Zhang and Ligang Zhou
In this paper, we used a freeform lens in a long-wave, un-cooled, refractive infrared (IR) thermal imager and present the design strategy and test results. This optical system is composed of only one freeform lens and several spheres. It can correct the ...
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