Millimeter-wave radar receiver using Z-Cut LiNbO<inf>3</inf> optical modulator with orthogonal-gap-embedded patch-antennas on low-κ dielectric material

Yusuf Nur Wijayanto, Atsushi Kanno, Hiroshi Murata, Tetsuya Kawanishi, Yasuyuki Okamura

    研究成果: Article査読

    12 被引用数 (Scopus)

    抄録

    A millimeter-wave radar receiver using a z-cut LiNbO<inf>3</inf> optical modulator with orthogonal-gap-embedded patch-antennas on a low-κ dielectric material is proposed. A millimeter-wave from a reflected radar signal can be received by the patch-antennas and converted directly to a light-wave through electro-optic modulation. A low-κ dielectric material is used as a substrate for improving antenna gain. Additionally, an interaction length between millimeter-wave and lightwave electric fields becomes long. As a result, large modulation efficiency can be obtained, which is proportional to sensitivity of the millimeter-wave radar receiver. Optical millimeter-wave radar beam-forming can be obtained using the proposed device with meandering-gaps for controlling interaction between millimeter-wave and lightwave electric fields in electro-optic modulation. Analysis and experimentally demonstration of the proposed device are discussed and reported for 40GHz millimeter-wave bands. Optical millimeterwave radar beam-forming in 2-D is also discussed.

    本文言語English
    ページ(範囲)783-792
    ページ数10
    ジャーナルIEICE Transactions on Electronics
    E98C
    8
    DOI
    出版ステータスPublished - 2015 8 1

    ASJC Scopus subject areas

    • 電子工学および電気工学
    • 電子材料、光学材料、および磁性材料

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