Results 1 to 10 of about 6,090 (227)

Recent Developments and Applications of Terahertz Spectroscopy in Food Analysis [PDF]

Biosensors
The terahertz waves are electromagnetic waves with frequencies ranging from 0.1 to 10 THz, exhibiting characteristics of both microwave and infrared, including fingerprint characteristics, coherence, and safety.
Pengpeng Yu, Chaoping Shen, Wenhui Zhu, Wenya Zhang, Junhui Cheng, Jinxiu Song   +5 more
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Terahertz spectroscopy study of oridonin and ponicidin in the anticancer Chinese herbal medicine Rabdosia rubescens [PDF]

Frontiers in Plant Science
Rabdosia rubescens, a Chinese herbal medicine with anticancer properties, contains two active ingredients: oridonin and ponicidin. Both compounds exhibit antitumor effects by inducing tumor cell apoptosis and autophagy and inhibiting tumor cell ...
Yang Gao, Yang Gao, Yang Gao, Yang Gao, Zhuang Peng, Zhuang Peng, Zhuang Peng, Zhuang Peng, Huiyu Yang, Huiyu Yang, Huiyu Yang, Huiyu Yang, Xinrui Zhang, Xinrui Zhang, Xinrui Zhang, Xinrui Zhang, Yuhan Zhao, Yuhan Zhao, Yuhan Zhao, Yuhan Zhao, Zeyu Hou, Zeyu Hou, Zeyu Hou, Zeyu Hou, Bo Su, Bo Su, Bo Su, Bo Su, Kai Li, Kai Li, Kai Li, Cunlin Zhang, Cunlin Zhang, Cunlin Zhang   +33 more
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Detection of tomato water stress based on terahertz spectroscopy [PDF]

Frontiers in Plant Science, 2023
China’s tomato cultivation area is nearly 15 thousand km2, and its annual tomato output is about 55 million tons, accounting for 7% of its total vegetable production.
Yixue Zhang, Xinzhong Wang, Yafei Wang, Lian Hu, Pei Wang   +4 more
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A Novel Method for the Enhancement of Composite Materials’ Terahertz Image Using Unsharp Masking and Guided Filtering Technology

Frontiers in Physics, 2021
When terahertz imaging technology is used for the nondestructive testing of composite materials, the signal is often affected by the experimental environment and internal noise of the system, as well as the absorption and scattering effect of the tested ...
Zhilong Li, Jian Zuo, Yuanmeng Zhao, Zhongde Han, Zhihao Xu, Yunzhang Zhao, Chao Yang, Weidong Hu, Cunlin Zhang   +8 more
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Metasurface-based terahertz wideband linear polarization converter

Results in Optics, 2023
We designed a linear polarization converter based on metasurface and simulated its functionality. It has a broad bandwidth and operates in the terahertz frequency range (0.4–1.2 THz).
Yuhan Zhao, Zeyu Hou, Bingxin Yan, Bo Su, Cunlin Zhang   +4 more
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Layer-Resolving Terahertz Light-Field Imaging Based on Angular Intensity Filtering Method

Sensors, 2021
Terahertz focal plane array imaging methods, direct camera imaging and conventional light field imaging methods are incapable of resolving and separating layers of multilayer objects.
Nanfang Lyu, Jian Zuo, Yuanmeng Zhao, Cunlin Zhang   +3 more
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Tunable resistive switching in shales

Results in Physics, 2023
Electrically induced resistive switching is a subject of increasing scientific interest because it is a candidate for universal non-volatile memory. We demonstrate resistive switching in a natural reservoir shale.
Xinyang Miao, Wanting Lu, Yawen Yu, Xuecong Liu, Honglei Zhan, Kun Zhao   +5 more
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Theoretical Investigation on the Mechanism and Law of Broadband Terahertz Wave Detection Using Rydberg Quantum State

IEEE Photonics Journal, 2022
The bandwidth and sensitivity of traditional terahertz detection devices are limited by material properties and working temperature. Here, we proposed a four-level Rydberg atom detection method, which can realize real-time detection for the absolute ...
Yanchen Zhou, Ruijie Peng, Jinbiao Zhang, Linjie Zhang, Zhenfei Song, Zhigang Feng, Yan Peng   +6 more
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Terahertz modulation characteristics of three nanosols under external field control based on microfluidic chip

iScience, 2022
Summary: Recently, with the widespread application of metamaterials in the terahertz (THz) modulation field, solid-state THz modulators have made breakthrough progress; however, there are still challenges in preparing flexible THz modulators with wide ...
Qinghao Meng, Jing Ding, Bo Peng, Boyan Zhang, Siyu Qian, Bo Su, Cunlin Zhang   +6 more
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Effect of external magnetic field on terahertz transmission characteristics of electrolyte solution based on microfluidic technology

Results in Optics, 2022
In this study, the effect on the terahertz (THz) transmission characteristics was investigated by varying the constant magnetic field time at both ends of the liquid sample (deionized water, CuSO4, CuCl2, (CH3COO) 2Cu, Na2SO4, NaCl, CH3COONa solution ...
Ping Ye, Haiyun Huang, Siyu Shao, Guoyang Wang, Jiahui Wang, Xuan Liu, Bo Su, Jingsuo He, Cunlin Zhang   +8 more
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