Results 11 to 20 of about 2,018 (250)

Study of Optical Fiber Design Parameters in Fiber Optics Communications

Kurdistan Journal of Applied Research, 2017
Fiber optics is an important part in the telecommunication infrastructure. Large bandwidth and low attenuation are features for the fiber optics to provide gigabit transmission.
Salim Qadir Mohammed, Asaad M. Asaad M. Al-Hindawi   +1 more
doaj   +3 more sources

Fiber Optics [PDF]

, 2019
Optical fibers in metrology, telecommunications, sensors, manufacturing, and health science have gained massive research interest. The number of applications is increasing at a fast pace. This book aims to present a collection of recent advances in fiber

core   +2 more sources

Hybrid POF/VLC Links Based on a Single LED for Indoor Communications

Photonics, 2021
A hybrid fiber/wireless link based on a single visible LED and free of opto-electronic intermediate conversion stages has been demonstrated for indoor communications.
Juan Andrés Apolo, Beatriz Ortega, Vicenç Almenar   +2 more
doaj   +1 more source

High-performance γ-MnO2 Dual-Core, Pair-Hole Fiber for Ultrafast Photonics

Ultrafast Science, 2023
Manganese dioxide (MnO2) is a widely used and well-studied 3-dimensional (3D) transition metal oxide, which has advantages in ultrafast optics due to large specific surface area, narrow bandgap, multiple pores, superior electron transfer capability, and ...
Xiaohui Li, Xiangzhen Huang, Yueheng Han, Enci Chen, Penglai Guo, Wenmin Zhang, Mingqi An, Zhiwen Pan, Qian Xu, Xiaoxiao Guo, Xiwei Huang, Yishan Wang, Wei Zhao   +12 more
doaj   +1 more source

UV generation in a pure-silica holey fiber [PDF]

, 2003
We report supercontinuum generation extending to 300nm in the UV from a pure-silica holey fiber. The broad spectrum was obtained by launching ultra-short pulses (~150fs, 10nJ at 820nm) from an amplified Ti:sapphire laser.
J.J. Baumberg, J.H.V. Price, Baumberg, J.J., Richardson, D.J., J.C. Baggett, Paschotta, R., W. Belardi, Price, J.H.V., Baggett, J.C., Coyle, S., R. Paschotta, D.J. Richardson, Monro, T.M., S. Coyle, Netti, C., Richardson, D., Monro, T., Price, J., Belardi, W., T.M. Monro, Furusawa, K., Baggett, J., K. Furusawa, Baumberg, J., C. Netti   +24 more
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Optical Graphene Gas Sensors Based on Microfibers: A Review

Sensors, 2018
Graphene has become a bridge across optoelectronics, mechanics, and bio-chemical sensing due to its unique photoelectric characteristics. Moreover, benefiting from its two-dimensional nature, this atomically thick film with full flexibility has been ...
Yu Wu, Baicheng Yao, Caibin Yu, Yunjiang Rao   +3 more
doaj   +1 more source

Ppb-level gas detection using on-beam quartz-enhanced photoacoustic spectroscopy based on a 28 kHz tuning fork

Photoacoustics, 2022
In this paper, an on-beam quartz-enhanced photoacoustic spectroscopy (QEPAS) sensor based on a custom quartz tuning fork (QTF) acting as a photoacoustic transducer, was realized and tested. The QTF is characterized by a resonance frequency of 28 kHz, ~15%
Haoyang Lin, Huadan Zheng, Baiyang Antonio Zhou Montano, Hongpeng Wu, Marilena Giglio, Angelo Sampaolo, Pietro Patimisco, Wenguo Zhu, Yongchun Zhong, Lei Dong, Ruifeng Kan, Jianhui Yu, Vincenzo Spagnolo   +12 more
doaj   +1 more source

Fiber-Optic Raman Spectrum Sensor for Fast Diagnosis of Esophageal Cancer

Photonic Sensors, 2018
A fiber-optic Raman spectrum sensor system is used for the fast diagnosis of esophageal cancer during clinical endoscopic examination. The system contains a 785 nm exciting laser, a Raman fiber-optic probe with 7 large core fibers and a focus lens, and a
Jianhua Dai, Xiu He, Zhuoyue Li, Kang Li, Tingting Yang, Zengling Ran, Lijian Yin, Yao Chen, Xiang Zou, Dianchun Fang, Guiyong Peng   +10 more
doaj   +1 more source

Integrated near-infrared QEPAS sensor based on a 28 kHz quartz tuning fork for online monitoring of CO2 in the greenhouse

Photoacoustics, 2022
In this paper, a highly sensitive and integrated near-infrared CO2 sensor was developed based on quartz-enhanced photoacoustic spectroscopy (QEPAS).
Yihua Liu, Haoyang Lin, Baiyang Antonio Zhou Montano, Wenguo Zhu, Yongchun Zhong, Ruifeng Kan, Bin Yuan, Jianhui Yu, Min Shao, Huadan Zheng   +9 more
doaj   +1 more source

Fiber Lens Based Optical Antenna Design for OWC With Full Beam Coverage

IEEE Photonics Journal, 2021
In infrared optical wireless communications, narrow beams require the perfect calibration of the base station (BS) and user terminal (UT), which cannot support multiple moving users. This paper proposes a fiber lens based optical antenna, which employs a
Chen Sun, Jia Zhao, Jiaheng Wang, Xiqi Gao   +3 more
doaj   +1 more source