88 Result(s)
within
English
Physics
Optics, Lasers, Photonics, Optical Devices
**hu Zhu
Chapter
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Chapter and Conference Paper
A 340 GHz Waveguide-Coupled GaN HEMT Terahertz Detector
Lens and waveguide integration are generally used to couple terahertz waves for terahertz detectors. Waveguide coupling provides a higher terahertz wave coupling efficiency compared to lens coupling which is b...
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Chapter and Conference Paper
The Transmission Characteristics of Micrometer-Scale Materials in the Terahertz Frequency Range
The transmission characteristics of 4mm chopped carbon fibers (diameter 7μm), 4μm alumina powder, and 4μm copper powder were investigated using terahertz time-domain spectroscopy and Fourier transform spectros...
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Chapter and Conference Paper
Design of Terahertz Tunable Bandpass Filter Based on High Quality Factor Resonator
In order to meet the application requirements of terahertz devices in terahertz communication, a dynamic tunable terahertz band-pass filter is designed based on the high-quality factor narrow-band resonant cir...
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Chapter and Conference Paper
Cost-Effective Vector THz Signal Generation Technique Enabled by Photonic Frequency Multiplication and Probabilistic Sha**
Terahertz (THz) communications are seen as promising candidates for next-generation mobile data communication systems, owing to their inherently large bandwidth. Taking a step forward, the THz Integrated Sensi...
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Chapter and Conference Paper
Research on Infrared and Terahertz Spectral Characterization Systems
Electromagnetic waves in the infrared (3–11 μm) and terahertz (30–3000 μm) bands resonate absorption reactions with chemical bonds in biological tissues. Combined with spectral characterization systems, releva...
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Chapter and Conference Paper
Possible Regulation of Terahertz Waves on TRPM8
TRPM8 channels, referred to “cold receptors”, play a crucial role in the sensory nervous system, specifically responding to cold temperatures and stimuli. Recent studies have highlighted the potential impact o...
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Chapter and Conference Paper
A Terahertz Single-Pole Double-Throw Switch Based on Slotline and Substrate Integrated Waveguide
In this paper, a single-pole double-throw (SPDT) switch based on a slotline and substrate integrated waveguide (SIW) is proposed. The transmission line can be switched between the SIW and the Slotline by turni...
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Chapter and Conference Paper
Hybrid THz Communication and MMW Sensing System Using a Packaged Silicon Photonics Module
Joint communication and radar (JCR) is highly anticipated in industrial and domestic applications. Photonics-assisted techniques provide a promising approach for integration of communication and sensing in the...
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Chapter
Grid-Index-Based Three-Dimensional Profilometry
Grid-index-based three-dimensional (3D) surface profilometry is a technique based on a spatially encoded structured light system (SLS). The competitive advantage of this technique is the ability to measure 3D ...
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Chapter and Conference Paper
Spatial Resolution Evaluation Method Based on Edge Characteristics
The most common way to evaluate spatial resolution is visual method, but it is time-consuming, laborious, easily affected by evaluators and output environment, and resolution targets must be arranged. In pract...
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Chapter and Conference Paper
A Dense Matching Method for Satellite Remote Sensing Images Based on Multiple Matching Primitives
In order to satisfy the demand of the number of matching points of satellite remote sensing images in the 3D reconstruction of geographic information space, a dense matching method for satellite remote sensing...
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Chapter and Conference Paper
Surface Integrity and Corrosion Resistance of AZ31B Magnesium Alloy Processed by Ultrasonic Rolling
Ultrasonic rolling was carried out to improve the corrosion resistance of the turning surface of magnesium alloy. The effects of rolling process parameters on surface roughness were studied, and the relationsh...
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Chapter and Conference Paper
Applications of High-Power Semiconductor Lasers in Marine Environmental Monitoring
The protection and utilization of marine resources is an important development strategy in China. It is of great significance to the healthy development of marine environment to monitor the sea targets round t...
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Chapter and Conference Paper
Uncertainty Analysis of Efficiency Test of Drive Motor System for Electric Vehicle
The drive motor system for electric vehicles is the power source of electric vehicles. System efficiency, as an important index, can reflect the comprehensive performance of the drive motor system. The efficie...
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Chapter and Conference Paper
Design of Compact Long-Slit Wynne-Offner Spectrometer for Hyperspectral Remote Sensing
This paper focuses on the compact long-slit Wynne-Offner imaging spectrometer suitable for wide-swath high-resolution remote sensing applications. Through tracing the chief ray, astigmatism of Wynne-Offner spe...
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Chapter
Application of LED-Based Photoacoustic Imaging in Diagnosis of Human Inflammatory Arthritis
Using low cost and small size light emitting diodes (LED) as the alternative illumination source for photoacoustic (PA) imaging has many advantages, and can largely benefit the clinical translation of the emer...
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Chapter and Conference Paper
Analysis on NETD of Thermal Infrared Imaging Spectrometer
In order to suppress the noise of thermal infrared imaging spectrometer and improve its detection sensitivity, relationship between noise equivalent temperature difference (NETD) and various noise factors was ...
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Chapter and Conference Paper
Design of a Snapshot Spectral Camera Based on Micromirror Arrays
Spectral imaging is an emerging tool for a variety of scientific and engineering applications because of the additional information it provides about the nature of the materials being imaged. Snapshot spectral...
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Chapter and Conference Paper
Suppression of the Self-Radiation Stray Light of Long-Wave Thermal Infrared Imaging Spectrometers
For a thermal infrared hyperspectral imaging system, there are characteristics of low signal energy and severe self-thermal radiation. The thermal radiation will influence its imaging quality so much so that i...
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Chapter
Nanofibers for Gas Sensing
This chapter reports a comprehensive review of the for enabling fast, relatively inexpensive, and minimal monitoring of the target gas concentration. The front part provides detail information on the , ev...
