JP5401469B2 - テラヘルツ波を検出するためのモノリシック集積アンテナおよび受信器回路 - Google Patents
テラヘルツ波を検出するためのモノリシック集積アンテナおよび受信器回路 Download PDFInfo
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Description
−THz放射はイオン化せず、したがって生物医学分野で安全と考えられる。
−所定の回転励起、バイブロニック励起または振動分子励起は、THz周波数範囲で共振周波数を有する。
−THz放射は、特にナノ構造における電荷キャリア・ダイナミクスに関する極めて重要な情報を提供し、この電荷キャリア・ダイナミクスは、将来の光および電子部品において需要な役割を果たす。
−THz放射は、光周波数と比べて分散度が低く、したがって、特に、例えば多くのダスト形成を伴う産業環境での使用に適している。
−通信システムを考えた場合、周波数が高いほど伝送帯幅が大きくなる。
4 増幅器回路
7 ダイポール・アンテナ
12,13 素子、トランジスタ
14 点
Claims (30)
- THz周波数範囲の電磁放射を検出するための装置であって、
ソース(S)、ドレイン(D)、ゲート(G)、ゲート・ソース接点、ソース・ドレイン・チャネルおよびゲート・ドレイン接点を有する少なくとも1つの電界効果トランジスタ(FET1,FET2)と、
アンテナ構造体(2)とを有し、
前記電界効果トランジスタ(FET1,FET2)は、前記アンテナ構造体(2)によって受信された前記THz周波数範囲の電磁気信号が前記ゲート・ソース接点を介して前記電界効果トランジスタ(FET1,FET2)に供給されるように、前記アンテナ構造体(2)に接続され、
前記電界効果トランジスタ(FET1,FET2)と前記アンテナ構造体(2)が、単一基板上に配列され、
前記ゲート(G)がゲート接点を有し、前記ドレイン(D)がドレイン接点を有し、前記ゲート接点と前記ドレイン接点が、前記ゲート(G)の前記電圧が前記ドレイン(D)の前記電圧に従うように外部キャパシタンス(C1,C2)を介して接続されることを特徴とする装置。 - 前記ゲート・ドレイン接点が、前記ゲート(G)の前記電圧が前記ドレイン(D)の前記電圧に従うように固有キャパシタンスを有する請求項1に記載の装置。
- THz周波数範囲の電磁放射を検出するための装置であって、
ソース(S)、ドレイン(D)、ゲート(G)、ゲート・ソース接点、ソース・ドレイン・チャネルおよびゲート・ドレイン接点を有する少なくとも1つの電界効果トランジスタ(FET1,FET2)と、
アンテナ構造体(2)とを有し、
前記電界効果トランジスタ(FET1,FET2)は、前記アンテナ構造体(2)によって受信された前記THz周波数範囲の電磁気信号が前記ゲート・ソース接点を介して前記電界効果トランジスタ(FET1,FET2)に供給されるように、前記アンテナ構造体(2)に接続され、
前記電界効果トランジスタ(FET1,FET2)と前記アンテナ構造体(2)が、単一基板上に配列され、
前記ゲート・ドレイン接点が、前記ゲート(G)の前記電圧が前記ドレイン(D)の前記電圧に従うように固有キャパシタンスを有することを特徴とする装置。 - 前記電界効果トランジスタ(FET1,FET2)と前記アンテナ構造体(2)が、単一チップ上にモノリシックで集積化される、請求項1乃至3のいずれかに記載の装置。
- 前記アンテナ構造体(2)が、前記電界効果トランジスタ(FET1,FET2)の前記ゲート(G)に接続された接続を有する、請求項1乃至4のいずれかに記載の装置。
- 前記ソース・ドレイン接点が、前記THz周波数範囲で高インピーダンスを有する、請求項1乃至5のいずれかに記載の装置。
- 前記THz周波数範囲の前記ソース・ドレイン接点の前記インピーダンスが、1MΩより大きい、請求項6に記載の装置。
- 前記ドレイン(D)がドレイン接点を有し、前記ドレイン接点が、前記アンテナ構造体(2)に直接接続される、請求項1乃至7のいずれかに記載の装置。
- 前記ゲート(G)がゲート接点を有し、前記ドレイン(D)がドレイン接点を有し、前記ゲート・ドレイン接点の前記固有キャパシタンスを高めるための前記ゲート接点が、空間的に重なるように前記ドレイン接点の上または下に配列される、請求項2または3に記載の装置。
- 前記キャパシタンスが、1fFより大きい、請求項1乃至9のいずれかに記載の装置。
- 前記電界効果トランジスタ(FET1,FET2)の前記ドレイン(D)が、インピーダンス整合要素(TL1,TL2)、好ましくは伝送線路に接続される、請求項1乃至10のいずれかに記載の装置。
- 2つの電界効果トランジスタ(FET1,FET2)を有する、請求項1乃至11のいずれかに記載の装置。
- 前記電界効果トランジスタ(FET1,FET2)が直列に接続され、第1のトランジスタの前記ドレイン(D)が、第2のトランジスタの前記ソース(S)に接続される、請求項12に記載の装置。
- 前記電界効果トランジスタ(FET1,FET2)が並列に接続され、前記2つの電界効果トランジスタ(FET1,FET2)の前記ソース(S)が互いに接続される、請求項12に記載の装置。
- 前記ソース(S)が、追加の交流接地(ac gnd)に接続される、請求項14に記載の装置。
- 前記アンテナ構造体(2)は、電界効果トランジスタ(FET1,FET2)が差動的に駆動されるように前記電界効果トランジスタ(FET1,FET2)の前記ゲート(G)にそれぞれ接続された2つの端子(10,11)を有し、さらに、前記2つの電界効果トランジスタ(FET1,FET2)の前記ドレイン(D)が接続される、請求項1乃至15のいずれかに記載の装置。
- 前記アンテナ構造体(2)が、複数、好ましくは2つの互いに異なる受信帯域を有する、請求項1乃至16のいずれかに記載の装置。
- 前記アンテナ構造体(2)が、好ましくは直交偏向の2つのモードの電磁放射を受信するように適応される、請求項1乃至17に記載の装置。
- 前記アンテナ構造体(2)が、前記アンテナ構造体(2)を介して、前記電界効果トランジスタ(FET1,FET2)の前記ゲート(G)の前記バイアス電圧を提供する電圧源(Vbias1)に接続される、請求項1乃至18に記載の装置。
- 前記ソース(S)が、前記電界効果トランジスタを介して、前記後の低雑音増幅器(4)のバイアスを提供する直流電圧源に接続されたソース接点を有する、請求項1乃至19のいずれかに記載の装置。
- 前記アンテナ構造体(2)が、前記電界効果トランジスタ(FET1,FET2)を過電圧と放電破損から保護する素子(12,13)、好ましくはアンテナ構造体(2)に接続されたダイオードを有する、請求項1乃至20のいずれかに記載の装置。
- 前記トランジスタ(12,13)を保護する前記素子が、前記アンテナ構造体上の点(14)に接続され、前記点(14)で、前記装置の接地面に対して誘導された前記交流電圧がゼロである、請求項21に記載の装置。
- 前記アンテナ構造体(2)が、折返しダイポール・アンテナ(7)を有する、請求項1乃至22に記載の装置。
- 前記ダイポール・アンテナ(7’)が、前記アンテナ(7’)を前記トランジスタ(FET1’,FET2’)に対してインピーダンス整合させる働きをする第3の分岐を有する、請求項23に記載の装置。
- 前記アンテナの前記対称点に、前記2つのモードの受信を可能にするモノポールが接続される、請求項23または24に記載の装置。
- 前記アンテナ構造体(2)が、前記基板に対して遮蔽される、請求項1乃至25のいずれかに記載の装置。
- 前記基板上に集積化された増幅器回路(4)を有する、請求項1乃至26のいずれかに記載の装置。
- 請求項1乃至27のいずれかに記載された少なくとも1つの装置を有するTHzヘテロダイン受信器。
- 請求項1乃至27のいずれかに記載された少なくとも1つの装置を有する撮像システム。
- 前記THz周波数範囲の電磁放射を検出するための請求項1乃至27のいずれかに記載の装置の使用法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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DE102007062562.8 | 2007-12-22 | ||
DE102007062562A DE102007062562B4 (de) | 2007-12-22 | 2007-12-22 | Monolithisch integrierter Antennen- und Empfängerschaltkreis für die Erfassung von Terahertz-Wellen |
PCT/EP2008/067471 WO2009080573A2 (de) | 2007-12-22 | 2008-12-12 | Monolithisch integrierter antennen- und empfängerschaltkreis für die erfassung von terahertz-wellen |
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JP2011509518A JP2011509518A (ja) | 2011-03-24 |
JP5401469B2 true JP5401469B2 (ja) | 2014-01-29 |
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US (1) | US8330111B2 (ja) |
EP (1) | EP2229695A2 (ja) |
JP (1) | JP5401469B2 (ja) |
CA (1) | CA2710450C (ja) |
DE (1) | DE102007062562B4 (ja) |
WO (1) | WO2009080573A2 (ja) |
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DE102009029447A1 (de) | 2009-09-14 | 2011-03-24 | Bergische Universität Wuppertal | Vorrichtung und Verfahren zur Erfassung von elektromagnetischer THz-Strahlung |
GB2488515B (en) * | 2011-02-11 | 2015-05-20 | Teraview Ltd | A test system |
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DE102007062562A1 (de) | 2009-07-02 |
US8330111B2 (en) | 2012-12-11 |
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