Simple Correctors for Elimination of High-Order Modes in Corrugated Waveguide Transmission Lines [0.03%]
用于波纹波导传输线高次模消除的简易修正方法
Elizabeth J Kowalski,Michael A Shapiro,Richard J Temkin
Elizabeth J Kowalski
When using overmoded corrugated waveguide transmission lines for high power applications, it is necessary to control the mode content of the system. Ideally, overmoded corrugated transmission lines operate in the fundamental HE11 mode and p...
Self-Organization and Migration of Dielectric Barrier Discharge Filaments in Argon Gas Flow [0.03%]
直流电晕激励的氩气流动放电中的流注动力学研究
Yong Yang,Young I Cho,Gary Friedman et al.
Yong Yang et al.
Observations of atmospheric-pressure dielectric barrier discharge are conducted through a water-filled electrode in atmospheric-pressure argon gas flow. Quasi-symmetric self-organized discharge filaments were observed. The streamers moved w...
Pseudomonas aeruginosa Biofilm Inactivation: Decreased Cell Culturability, Adhesiveness to Surfaces, and Biofilm Thickness Upon High-Pressure Nonthermal Plasma Treatment [0.03%]
高压力非热等离子体处理对铜绿假单胞菌生物被膜的抑制作用:降低细胞培养活性、表面粘附性及生物被膜厚度
Anna J Zelaya,Gregory Stough,Navid Rad et al.
Anna J Zelaya et al.
Bacterial biofilms are more resilient to standard killing methods than free-living bacteria. Pseudomonas aeruginosa PAO1 biofilms grown on borosilicate coupons were treated with gas-discharge plasma for various exposure times. Almost 100% o...
Continuous-Wave Operation of a Frequency-Tunable 460-GHz Second-Harmonic Gyrotron for Enhanced Nuclear Magnetic Resonance [0.03%]
连续波可调频460吉赫次倍频回旋管用于增强型核磁共振
Antonio C Torrezan,Seong-Tae Han,Ivan Mastovsky et al.
Antonio C Torrezan et al.
The design, operation, and characterization of a continuous-wave (CW) tunable second-harmonic 460-GHz gyrotron are reported. The gyrotron is intended to be used as a submillimeter-wave source for 700-MHz nuclear magnetic resonance experimen...
Seong-Tae Han,Robert G Griffin,Kan-Nian Hu et al.
Seong-Tae Han et al.
Gyrotrons operating in the millimeter and submillimeter wavelength ranges are the promising sources for applications that are requiring good spectral characteristics and a wide range of output power. We report the precise measurement result...
Continuous-Wave Operation of a 460-GHz Second Harmonic Gyrotron Oscillator [0.03%]
连续波460吉赫兹二倍频回旋管振荡器
Melissa K Hornstein,Vikram S Bajaj,Robert G Griffin et al.
Melissa K Hornstein et al.
We report the regulated continuous-wave (CW) operation of a second harmonic gyrotron oscillator at output power levels of over 8 W (12.4 kV and 135 mA beam voltage and current) in the TE(0,6,1) mode near 460 GHz. The gyrotron also operates ...
Efficient Low-Voltage Operation of a CW Gyrotron Oscillator at 233 GHz [0.03%]
一种高效低电压运行的233GHz连续波回旋管振荡器
Melissa K Hornstein,Vikram S Bajaj,Robert G Griffin et al.
Melissa K Hornstein et al.
The gyrotron oscillator is a source of high average power millimeter-wave through terahertz radiation. In this paper, we report low beam power and high-efficiency operation of a tunable gyrotron oscillator at 233 GHz. The low-voltage operat...
Operational Characteristics of a 14-W 140-GHz Gyrotron for Dynamic Nuclear Polarization [0.03%]
用于动态核极化的一个14W,140GHz吉托龙的运行特性研究
Colin D Joye,Robert G Griffin,Melissa K Hornstein et al.
Colin D Joye et al.
The operating characteristics of a 140-GHz 14-W long pulse gyrotron are presented. The device is being used in dynamic nuclear polarization enhanced nuclear magnetic resonance (DNP/NMR) spectroscopy experiments. The gyrotron yields 14 W pea...
R Turner
R Turner
Solar Particle Events pose a health risk to astronauts in space. Today, SPE forecasts are inadequate to provide advance warning with sufficient credibility to lead operators to initiate protective measures. However, research on SPEs and Cor...