An extended interaction oscillator based on a complex resonator structure

Chen, Leeming; Guo, H.; Chen, Han-Ying; Tsao, M.H.; Yang, T. T.; Tsai, Yi-Chin; Chu, K. R.

doi:10.1109/27.887688

Cited by 33 publications

(1 citation statement)

References 5 publications

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“…17 It weighs approximately 5 kg. The EIO output wave is in the TE 10 mode of a WR28 rectangular waveguide (0.712 cm × 0.356 cm).…”

Section: Anechoic Chamber Radiation Source and Diagnostic Toolsmentioning

confidence: 99%

A microwave applicator for uniform irradiation by circularly polarized waves in an anechoic chamber

Lin

et al. 2014

Review of Scientific Instruments

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Microwave applicators are widely employed for materials heating in scientific research and industrial applications, such as food processing, wood drying, ceramic sintering, chemical synthesis, waste treatment, and insect control. For the majority of microwave applicators, materials are heated in the standing waves of a resonant cavity, which can be highly efficient in energy consumption, but often lacks the field uniformity and controllability required for a scientific study. Here, we report a microwave applicator for rapid heating of small samples by highly uniform irradiation. It features an anechoic chamber, a 24-GHz microwave source, and a linear-to-circular polarization converter. With a rather low energy efficiency, such an applicator functions mainly as a research tool. This paper discusses the significance of its special features and describes the structure, in situ diagnostic tools, calculated and measured field patterns, and a preliminary heating test of the overall system.

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“…17 It weighs approximately 5 kg. The EIO output wave is in the TE 10 mode of a WR28 rectangular waveguide (0.712 cm × 0.356 cm).…”

Section: Anechoic Chamber Radiation Source and Diagnostic Toolsmentioning

confidence: 99%

A microwave applicator for uniform irradiation by circularly polarized waves in an anechoic chamber

Lin

et al. 2014

Review of Scientific Instruments

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Principle of Terahertz Radiation Using Electron Beams

Shin

Choi

Park

2012

Convergence of Terahertz Sciences in Biomedical Systems

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Study of An Extended Interaction Oscillator with A Rectangular Reentrance Coupled-cavity in Terahertz Region

Zhang¹,

Wu²,

Liu³

2009

J Infrared Milli Terahz Waves

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An extended interaction oscillator (EIO) generating Terahertz (THz) wave is presented by theoretical study and simulation study in this paper. A rectangular reentrant coupled-cavity is proposed as its slow-wave structure (SWS). The equivalent circuit method (ECM) is adopted to calculate the dispersion relation and circuit parameters of the SWS. The beam-wave interaction of the EIO is theoretically studied in detail, including the beam loading conductance, the conversion efficiency and the optimal gap number. The dependence is investigated of the beam loading conductance and the conversion efficiency on the gap number and the beam velocity. Some properties of the cold circuit are simulated by CST software, including the dispersion relation and the filed distribution. These simulation results agree well with those of ECM. The operating mode of EIO is chosen very close to the βL=2π point with corresponding frequency about 0.225 THz, when the beam voltage is 13 kV, the current 105 mA, the cavity was designed with the period 0.3 mm, 14-gap, the height 1.6 mm and the width 0.76 mm. Simulation results of beam-wave interaction with PIC codes show that the excited frequency is 0.225 THz and peak output power 44 W.

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An extended interaction oscillator based on a complex resonator structure

Cited by 33 publications

References 5 publications

A microwave applicator for uniform irradiation by circularly polarized waves in an anechoic chamber

A microwave applicator for uniform irradiation by circularly polarized waves in an anechoic chamber

Principle of Terahertz Radiation Using Electron Beams

Study of An Extended Interaction Oscillator with A Rectangular Reentrance Coupled-cavity in Terahertz Region

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