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- Choi, EunMi
- THz Vacuum Electronics and Applied Electromagnetics Lab.
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The experimental results of fast switching system for millimeter wave transmission using photo-excited semiconductor
- Author(s)
- Choe, Mun Seok, Lee, Kyu-Sup, Yu, Nan Ei, Choi, EunMi
- Issued Date
- 2015-08-24
- Citation
- 40th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2015
- Abstract
- Photo-excited semiconductor switching system for fast control of millimeter wave is developed and tested with an oversized corrugated horn (D/ λ > 10) and quasi-optical mirror setup. Semi-insulating GaAs (100) having direct band-gap shows fast switch ON-OFF (<; 100 ns) whereas semi-insulating Si (100) having indirect band-gap shows fast switch ON (<; 100 ns) and slow switch OFF (<; 1 ms) for the millimeter-wave regime.
- Publisher
- 40th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2015
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