Volume: 13 Issue 1
8 Article(s)

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D-Shaped Tellurite Photonic Crystal Fiber Hydrogen and Methane Sensor Based on Four-Wave Mixing With SPR Effect
Hai LIU, Bo WU, Cong CHEN, Benlei ZHAO, Xu ZHANG, and Hancheng ZHANG
A new D-shaped tellurite photonic crystal fiber sensor based on the four-wave mixing (FWM) effect with the surface plasmon resonance (SPR) effect is designed and optimized. The substrate of the D-shaped photonic crystal fiber (D-PCF) is tellurite glass, and the polished surface is plated with the gold film and hydrogen
  • Publication Date: Mar. 15, 2023
  • Vol. 13 Issue 1 230121 (2023)
Strain and Temperature Discrimination Based on a Mach-Zehnder Interferometer With Cascaded Single Mode Fibers
Shiying XIAO, Beilei WU, Chunran SUN, Zixiao WANG, and Youchao JIANG
  • Publication Date: Mar. 15, 2023
  • Vol. 13 Issue 1 230122 (2023)
Actual Sensing Sensitivity and SNR Measurement of Optical Tweezers Based on Coulomb Force Input
Jiaojiao WANG, Xingfan CHEN, Shaochong ZHU, Zhenhai FU, Nan LI, and Huizhu HU
Sensing sensitivity is the key performance of optical tweezers. By adjusting the frequency and magnitude of an applied Coulomb force as an input of optical tweezers, we directly measured the sensitivity and signal-to-noise ratio (SNR) of a system and indirectly calculated the actual noise magnitude. Combined with an ou
  • Publication Date: Mar. 15, 2023
  • Vol. 13 Issue 1 230124 (2023)
A New Ratio-Metric pH Probe, “ThiAKS Green” for Live-Cell pH Measurements
Ali AKYOL, Doruk BAYKAL, Akin AKDAG, Ozge SENSOY, and CaGdaS Devrim SON
Deviation of the H+ concentration from optimum values within the organelles is closely associated with irregular cellular functions that cause the onset of various diseases. Therefore, determining subcellular pH values in live cells and tissues is valuable for diagnostic purposes. In this study, we report a novel ratio
  • Publication Date: Mar. 15, 2023
  • Vol. 13 Issue 1 230125 (2023)
A Broadband Achromatic Dielectric Planar Metalens in Mid-IR Range
Ye YUAN, Zilong YAN, Peifeng ZHANG, Zhu CHANG, Fengjiang PENG, Ruotong CHEN, Zhenyuan YANG, Shizheng CHEN, Qing ZHAO, and Xiaoping HUANG
Metalens are planar lenses composed of the subwavelength arrays, which have unconventional and versatile functionalities to manipulate the light fields compared with the traditional lens. It is noted that the most metalens are designed in a monochromatic mode in the visible or mid-infrared range (mid-IR), however, the
  • Publication Date: Mar. 15, 2023
  • Vol. 13 Issue 1 230126 (2023)
Investigation of Strain-Temperature Cross-Sensitivity of FBG Strain Sensors Embedded Onto Different Substrates
Heying QIN, Pengfei TANG, Jing LEI, Hongbin CHEN, and Boguang LUO
The strain-temperature cross-sensitivity problem easily occurs in the engineering strain monitoring of the self-sensing embedded with fiber Bragg grating (FBG) sensors. In this work, a theoretical investigation of the strain-temperature cross-sensitivity has been performed using the temperature reference grating method
  • Publication Date: Mar. 15, 2023
  • Vol. 13 Issue 1 230127 (2023)
Side Polished Fiber: A Versatile Platform for Compact Fiber Devices and Sensors
Linqing ZHUO, Jieyuan TANG, Wenguo ZHU, Huadan ZHENG, Heyuan GUAN, Huihui LU, Yaofei CHEN, Yunhan LUO, Jun ZHANG, Yongchun ZHONG, Jianhui YU, and and Zhe CHEN
Side polished fiber (SPF) has a controllable average roughness and length of the side-polishing region, which becomes a versatile platform for integrating multiple materials to interact with the evanescent field to fabricate all-fiber devices and sensors. It has been widely used in couplers, filters, polarizers, optica
  • Publication Date: Mar. 15, 2023
  • Vol. 13 Issue 1 230120 (2023)