Robotically Controlled Terahertz Probe for In Vivo Skin Evaluation: Imaging with the PicoBot [0.03%]
一种用于体内皮肤评估的太赫兹探针机器人控制系统：使用PicoBot进行成像
Jacob J Young,Agrima Agarwal,Benjamin G Page et al.
Jacob J Young et al.
In this work, we demonstrate significant modifications to our robotically controlled terahertz (THz) sensing system, the "PicoBot," enabling it to perform in vivo imaging of skin rather than limiting it to single-point measurements. By inte...
Resonant Ring with a Gain of 36 for Use with a 1 MW 110 GHz Gyrotron [0.03%]
用于1兆瓦110吉赫 gyrotron的增益为36的共振环
Elliot L Claveau,Michael A Shapiro,Richard J Temkin
Elliot L Claveau
A 110 GHz quasi-optical ring resonator, designed for use with a 1 MW pulsed gyrotron, has been built and successfully tested using a 100 mW solid-state source. A low reflectance (2.4%) input coupler and a low-loss, four-mirror ring demonstr...
Deep Learning Classification of Breast Cancer Tissue from Terahertz Imaging Through Wavelet Synchro-Squeezed Transformation and Transfer Learning [0.03%]
基于小波同步挤压变换和迁移学习的太赫兹成像乳腺癌组织深度分类
Haoyan Liu,Nagma Vohra,Keith Bailey et al.
Haoyan Liu et al.
Terahertz imaging and spectroscopy is an exciting technology that has the potential to provide insights in medical imaging. Prior research has leveraged statistical inference to classify tissue regions from terahertz images. To date, these ...
Correction to: Study of the Effect of Reflections on High-Power, 110-GHz Pulsed Gyrotron Operation [0.03%]
Correction to: 关于反射对高功率110 GHz脉冲gyrotron运行影响的研究
J Genoud,J F Picard,S C Schaub et al.
J Genoud et al.
[This corrects the article PMC8291730.].
Impact Ionization Induced by Terahertz Radiation in HgTe Quantum Wells of Critical Thickness [0.03%]
critically thick HgTe量子阱中太赫兹辐射诱发的雪崩电离效应研究
S Hubmann,G V Budkin,M Urban et al.
S Hubmann et al.
We report on the observation of terahertz (THz) radiation induced band-to-band impact ionization in HgTe quantum well (QW) structures of critical thickness, which are characterized by a nearly linear energy dispersion. The THz electric fiel...
Study of the Effect of Reflections on High-Power, 110 GHz Pulsed Gyrotron Operation [0.03%]
高功率110GHz脉冲回旋管反射的研究
J Genoud,J F Picard,S C Schaub et al.
J Genoud et al.
The effect of reflection is studied experimentally and theoretically on a high-power 110 GHz gyrotron operating in the TE22,6 mode in 3 μs pulses at 96 kV, 40 A. The experimental setup allows variation of the reflected power from 0 to 33 %...
Guy Rosenzweig,Sudheer K Jawla,Julian F Picard et al.
Guy Rosenzweig et al.
The phase stability of a 140GHz, 1kW pulsed gyro-amplifier system and the phase dependence on the cathode voltage were experimentally measured. To optimize the measurement precision, the amplifier was operated at 47 kV and 1 A, where the ou...
Characterization of the Observed Electric Field and Molecular Relaxation Times for Millimeter-Wave Chirped Pulse Instrumentation [0.03%]
毫米波啁啾脉冲仪器中观察到的电场特征及分子弛豫时间的表征
G Dhont,D Fontanari,C Bray et al.
G Dhont et al.
In a chirped pulse experiment, the strength of the signal level is proportional to the amplitude of the electric field, which is weaker in the millimeter-wave or submillimeter-wave region than in the microwave region. Experiments in the mil...
Assessment of Terahertz Imaging for Excised Breast Cancer Tumors with Image Morphing [0.03%]
图像融合技术在切除的乳腺癌肿瘤太赫兹成像评估中的应用
Tanny Chavez,Tyler Bowman,Jingxian Wu et al.
Tanny Chavez et al.
This paper presents an image morphing algorithm for quantitative evaluation methodology of terahertz (THz) images of excised breast cancer tumors. Most current studies on the assessment of THz imaging rely on qualitative evaluation, and the...
Simple Expressions for the Design of Linear Tapers in Overmoded Corrugated Waveguides [0.03%]
线性衰减器在过模沟槽波导中的设计表达式研究
S C Schaub,M A Shapiro,R J Temkin
S C Schaub
Simple analytical formulae are presented for the design of linear tapers with very low mode conversion loss in overmoded corrugated waveguides. For tapers from waveguide radius a2 to a1, with a1 < a2, the optimal length of the taper is 3.19...