Mechanical Design and Manufacturing of W-Band Sheet Beam Klystron
作者： Diana Gamzina , Larry R. Barnett , Bahram Ravani , Neville C. Luhmann
关键词: Radio frequency 、 Beam (structure) 、 Optoelectronics 、 Klystron 、 Power (physics) 、 W band 、 Electrical engineering 、 Continuous wave 、 Electronic circuit 、 Materials science 、 Electronics
摘要: Development of high frequency, high-average power linear beam devices is hindered by the slow progress in advancement suitable mechanical design and manufacturing techniques. To compliment significant electromagnetic modeling high-frequency electronics, approach employed for development a 10 kW continuous wave W-band sheet klystron reported. The reported enabled demonstration 10-kW, 20-ms duration pulses with 17-dB gain 97% (hot) transmission. This was based on 56 short pulse ( $1~\mu \text{s}$ ) device 54 dB gain. features multilayer strengthened material structure hybrid microcooling macrocooling circuits enhanced heat flux handling. Microcooling channels fit between circuit cavities providing removal as well thermal-stress relief reduced cavity deformation. achieves 1.5-safety factor yield less than 2- $\mu \text{m}$ deformation at cavities. presented can be applied to other devices.
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