Ka‐band quasioptical detectors based on antenna‐integrated planar Schottky diodes | Zendy

Mou Jinchao | Zendy; Lv Xin | Zendy; Yuan Yong | Zendy; Yu Weihua | Zendy

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Ka‐band quasioptical detectors based on antenna‐integrated planar Schottky diodes

Author(s) -

Mou Jinchao,

Lv Xin,

Yuan Yong,

Yu Weihua

Publication year - 2011

Publication title -

microwave and optical technology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.304

H-Index - 76

eISSN - 1098-2760

pISSN - 0895-2477

DOI - 10.1002/mop.26168

Subject(s) - responsivity , noise equivalent power , schottky diode , planar , microwave , antenna (radio) , detector , optoelectronics , optics , diode , radiation , physics , electrical engineering , materials science , engineering , computer science , computer graphics (images) , quantum mechanics

This letter presents a quasioptical monolithic detector for Ka‐band applications.It consists of an antenna‐integrated planar Schottky diode and an extended semispherical lens. A three‐dimensional electromagnetic model is built for evaluating its radiation performance. The responsivity of the detector ranges from 712 to 1483 mV mW −1 over 26.5∼ 40 GHz under the bias voltage of 0.8 V, corresponding to the estimated noise equivalent power between 2.5E−11 and 5.2E−11 W Hz −1/2 . The radiation patterns are measured and agree well with the simulated ones, showing the validity of the proposed model. © 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26168

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