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Fast Quantitative Analysis of Hidden Dangerous Substances in Mail Based on Specific Interval PLS

期刊: JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES, 2021; 42 (5)

Terahertz radiation has many unique characteristics that make it useful for noninvasive mail inspection. While qualitative analysis of mail for suspic......

High-Bias-Field Operation of GaAs Photoconductive Terahertz Emitters

期刊: JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES, 2021; 42 (5)

We demonstrate experimentally the increase of optical-to-terahertz conversion efficiency for GaAs-based photoconductive terahertz emitters. This incre......

A Model of Terahertz Parametric Process Including Spontaneous Parametric Down-conversion

期刊: JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES, 2021; 42 (6)

A new numerical model of terahertz parametric process is demonstrated, which takes the spontaneous parametric down-conversion into consideration by ad......

Resolution Enhancement in Terahertz Digital In-line Holography by Sparsity-Based Extrapolation

期刊: JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES, 2021; 42 (5)

We introduce a generalized extrapolation framework as a constrained optimization problem to enhance the resolution in terahertz digital in-line hologr......

A FFT-Based Millimeter-Wave Imaging Algorithm with Range Compensation for Near-Field MIMO-SAR

期刊: JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES, ; ()

In this article, an improved fast Fourier transform (FFT)-based millimeter-wave imaging algorithm with range compensation is presented, which can be u......

A 183-GHz FMCW Transceiver Module for Wireless Fuse Applications

期刊: JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES, 2021; 42 (2)

This paper presents the design, construction, and testing of a 183-GHz FMCW transceiver module for wireless fuse applications. The transmitter consist......

Study on a Depressed Collector for a 75 GHz Low-Voltage Compact Gyrotron for Industrial Application

期刊: JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES, 2021; 42 (2)

The low-voltage compact gyrotron is suitable for industrial applications. However, the beam-wave interaction efficiency is low in conventional low-vol......

D-Band Transmitter/Receiver Chipset with End-Fire On-chip Antennas Using 0.13-mu m SiGe BiCMOS Technology

期刊: JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES, 2020; 41 (3)

This paper presents a D-band (110-170 GHz) transmitter/receiver (Tx/Rx) chipset with end-fire on-chip antennas (OCAs) using 0.13-mu m SiGe BiCMOS tech......

Metasurfaces for Terahertz Wavefront Modulation: a Review

期刊: JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES, 2020; 41 (6)

Metasurface is an artificial material composed of a series of subwavelength structure units and has unique electromagnetic characteristics. Based on t......

Measurement of Plumpness for Intact Sunflower Seed Using Terahertz Transmittance Imaging

期刊: JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES, 2020; 41 (3)

The quality of sunflower seed usually influences the load and product quality. The plumpness, expressing as the percent of the kernel and shell (%), i......

Numerical Modeling of an Injection-Seeded Terahertz-Wave Parametric Generator

期刊: JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES, 2020; 41 (3)

We have constructed a numerical model for injection-seeded terahertz-wave parametric generators in which the pump depletion, the duration of the pump ......

Sensitive Terahertz Free Space Modulator Using CsPbBr3 Perovskite Quantum Dots-Embedded Metamaterial

期刊: JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES, 2020; 41 (5)

We have demonstrated a method for active modulating terahertz wave using CsPbBr3 perovskite quantum dots (QDs)-embedded double-C metallic metamaterial......

Tracing Air-Breakdown Plasma Characteristics from Single-Color Filament Terahertz Spectra

期刊: JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES, 2020; 41 (9)

In this paper, we measure broadband terahertz spectra from a single 744-nm filament produced in tight, medium, and loose geometrical focusing conditio......

Design and Experimental Verification of a Liquid Crystal-Based Terahertz Phase Shifter for Reconfigurable Reflectarrays

期刊: JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES, 2020; 41 (6)

A liquid crystal (LC)-based double dipole terahertz phase shifter is proposed. The block model is utilized in simulations to analysis the influence of......

Design and Cold Test of Dual Beam Azimuthal Supported Angular Log-Periodic Strip-Line Slow Wave Structure

期刊: JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES, 2020; 41 (7)

A novel Ka-band azimuthal supported angular log-periodic strip-line (ASALS) slow wave structure (SWS) is proposed for a miniature radial sheet beam tr......

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