LowLossSapphireWindowsforHighPowerMicrowaveTransmission（三）
Sapphire Window Development and Testing.The effort of this work was devoted to fabricating ultrathin strengthened sapphire disks and to accurately model the stresses in the disks. The work can be divided up into three parts: 1) polishing development, 2) stress modeling, and 3) window pressure testing. The design clear aperture diameter for the Phase 2 program is 90 mm. This is the appropriate size for the......閱讀全文
Low－Loss－Sapphire－Windows－for－High－Power－Microwave－Transmission（三）
Sapphire Window Development and Testing.The effort of this work was devoted to fabricating ultrathin strengthened sapphire disks and to accurately
Low－Loss－Sapphire－Windows－for－High－Power－Microwave－Transmission（六）
windows were confused by the simultaneous deflection of the windows and the O-ring before the window came in contact with the flange. The recesses
Low－Loss－Sapphire－Windows－for－High－Power－Microwave－Transmission（五）
Single crystal sapphire is not a typical optical material, with a standard strength not much lower than the steel described above, since the ave
Low－Loss－Sapphire－Windows－for－High－Power－Microwave－Transmission（二）
Summary of ResultsThe important objective of Phase II research was achieved: to fabricate and test a prototype high power sapphire microwave windo
Low－Loss－Sapphire－Windows－for－High－Power－Microwave－Transmission（七）
The failure data is shown for the 12.5 mm diameter disks is shown in Fig. 12. The average failure pressure for the standard disks is 12 MPa, whe
Low－Loss－Sapphire－Windows－for－High－Power－Microwave－Transmission（十二）
The input port is connected to the high power gyrotron source and the output port is connected to a dummy load to absorb any power not coupled i
Low－Loss－Sapphire－Windows－for－High－Power－Microwave－Transmission（一）
Dr. Stephen C. Bates，Thoughtventions Unlimited LLC40 Nutmeg Lane??Glastonbury, CT 06033EXECUTIVE SUMMARYThe Problems.Windows that transmit high powe
Low－Loss－Sapphire－Windows－for－High－Power－Microwave－Transmission（十）
through a boundary conductance, h, on faces at z = +/- L.is controlled by the parameter hL/k, the Biot Number, where k is the thermal conductivity
Low－Loss－Sapphire－Windows－for－High－Power－Microwave－Transmission（十三）
The diameter uptaper from 38.3 mm to 63.5 mm was then fabricated to match the diameter of the resonant ring and windows to be tested. A square r
Low－Loss－Sapphire－Windows－for－High－Power－Microwave－Transmission（八）
Strength Prediction.?Large deflection theory solves for the deflection of a disk as a function of loading and boundary condition. Stress is a deri
Low－Loss－Sapphire－Windows－for－High－Power－Microwave－Transmission（十一）
Fixture Testing.?Fixture testing consisted of vacuum, heating, pressure, and microwave testing.Pressure Testing.?Initial pressure testing of thin sa
Low－Loss－Sapphire－Windows－for－High－Power－Microwave－Transmission（九）
3)?50 mm Disks.?Four 50 mm diameter, 2 mm thick disks were specially polished by Meller Optics to try to obtain strengthening disks. A previous po
Low－Loss－Sapphire－Windows－for－High－Power－Microwave－Transmission（四）
Membrane effects describe the case where the disk stretches rather than bends. Figure 5 shows the differences in the deflection and stress for the
藍色激光二極管支持的12.4－Gbps水下通信
為了在長距離的自來水和海水環境中實現高速水下無線光通信（UWOC），通過預平準16正交幅度調制（QAM）正交頻率直接調制450nm藍色GaN激光二極管（LD）采用分時多路復用（OFDM）數據來實現其最大傳輸容量高達10 Gbps。所提出的自來水中的UWOC提供了從5.2到12.4Gbps的最
WBand－FrequencySwept－EPR（一）
W-Band Frequency-Swept EPR毫米波（W頻段 75-110GHz）頻率掃描EPR系統實驗James S. Hyde,a,*?Robert A. Strangeway,a,b?Theodore G. Camenisch,a?Joseph J. Ratke,a?and?Wojcie
毫米波隔離器最新技術進展（二）
The traditional method to tune Faraday rotation isolators is to use ferrites substantially longer than the minimum required length and adjust th
毫米波通信技術應用介紹（二）
Campus & Enterprise Facility NetworksMillimetre Wave Wireless Networks are very suited to both long term and short term solutions where organisati
射頻混頻器設計Harmonic－balance－simulation－speeds－RF－mixer－design1
Harmonic balance simulation speeds RF mixer designHarmonic balance simulation speeds RF mixer designStephen Maas, Chief Technical Officer, ?Applied Wa
可靠的毫米波正交干涉儀（70GHz）（二）
Many interferometers are required to operate in high ambient magnetic fields (B-fields), e.g. around magnetic confinement plasma devices. Typicall
使用快速太赫茲量子阱光電探測器的太赫茲光檢測（二）
ResultsBefore demonstrating the fast terahertz detection, we first characterize the electrical and optical performances of the terahertz QWP. The
射頻混頻器設計Harmonic－balance－simulation－speeds－RF－mixer－design2
Figure 3. Performance of a somewhat idealized Marchand balun with Z0o = 25 ohms, Z0e = 180 ohms, and ZL = 60 ohmsThe output terminals are each treat
石墨烯在太赫茲頻段實現的無線片上網絡（WiNoC）（一）
On the Nanocommunications at THz Band in Graphene-Enabled Wireless Network-on-ChipQuoc-Tuan?Vien,1?Michael Opoku?Agyeman,2?Tuan Anh?Le,1?and?TerrenceM
石墨烯在太赫茲頻段實現的無線片上網絡（WiNoC）（四）
5. Numerical ResultsIn this section, the performance evaluation of the proposed channel model for the nanocommunications in GWiNoC in THz band is
石墨烯在太赫茲頻段實現的無線片上網絡（WiNoC）（二）
2. System Model of Nanocommunications in a GWiNoCFigure?1?illustrates a typical GWiNoC package where two on-chip cores??and??are both equipped with
3D打印毫米波太赫茲無源器件（三）
4. Challenges and Solutions for 3D Printed MmWave and THz DevicesThe two dominantly influential factors on the performance of 3D printed mmWave an
使用快速太赫茲量子阱光電探測器的太赫茲光檢測（一）
6.2-GHz modulated terahertz light detection using fast terahertz quantum well photodetectorsHua Li,1?Wen-Jian Wan,1?Zhi-Yong Tan,1?Zhang-Long Fu,1?Hai
可靠的毫米波正交干涉儀（70GHz）（三）
3. INTERFEROMETER PERFORMANCEFigure 3 above shows both interferometer outputs verses time, along with plasma discharge current on the?LArge?Plasma?Dev
WBand－FrequencySwept－EPR（三）
2. Results2.1. EPR field-swept spectraFigure 5?shows conventional field modulation W-band EPR spectra of the three samples used for the data repor
3D打印毫米波太赫茲無源器件（一）
Bing?Zhang,1?Wei?Chen,2?Yanjie?Wu,3?Kang?Ding,4?and?Rongqiang?Li51College of Electronics and Information Engineering, Sichuan University, Chengdu 6100
52名華人學者當選2011年IEEE會士
近日，國際電氣與電子工程師學會（IEEE, The Institute of Electrical and Electronics Engineers）公布了2011年新當選的學會會士(IEEE Fellow)，全球共有321人獲此殊榮，其中華人學者共52名（下表）。IEEE的會士級別