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Broadband Characterization of a Compact Zero-Bias Schottky Diode Detector with a Continuous Wave THz System

Yadav, Rahul ; Penirschke, Andreas ; Preu, Sascha (2021)
Broadband Characterization of a Compact Zero-Bias Schottky Diode Detector with a Continuous Wave THz System.
Pohang, Rep. of Korea (24.-28.05.2021)
doi: 10.18429/JACoW-IBIC2021-WEPP11
Konferenzveröffentlichung, Bibliographie

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Kurzbeschreibung (Abstract)

Over the last few decades several types of Terahertz (THz) detectors have been developed to maturity, paving the way for various potential applications such as diagnostics of THz generation at particle accelerators. An important class are zero-biased Schottky diode THz detectors that are frequently applied at accelerator facilities for operation at room temperature. Zero-biased Schottky diode THz detectors are having lower noise compared to biased ones due to the absence of shot noise. Here we demonstrate the sensitivity of Schottky detectors using a commercial continuous wave photomixing THz system as source. Both, a commercially available as well as a research-grade compact quasi-optical detector with improved video bandwidth are compared from 0.05 to 1.2 THz in terms of sensitivity. At 1 THz, the research grade quasi optical detector shows 7 dB higher dynamic range than the commercial one.

Typ des Eintrags: Konferenzveröffentlichung
Erschienen: 2021
Autor(en): Yadav, Rahul ; Penirschke, Andreas ; Preu, Sascha
Art des Eintrags: Bibliographie
Titel: Broadband Characterization of a Compact Zero-Bias Schottky Diode Detector with a Continuous Wave THz System
Sprache: Englisch
Publikationsjahr: 2021
Ort: Darmstadt
Verlag: JACoW Publishing
(Heft-)Nummer: 10
Buchtitel: Proc. IBIC'21
Reihe: International Beam Instrumentation Conference
Band einer Reihe: 10
Veranstaltungsort: Pohang, Rep. of Korea
Veranstaltungsdatum: 24.-28.05.2021
DOI: 10.18429/JACoW-IBIC2021-WEPP11
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Kurzbeschreibung (Abstract):

Over the last few decades several types of Terahertz (THz) detectors have been developed to maturity, paving the way for various potential applications such as diagnostics of THz generation at particle accelerators. An important class are zero-biased Schottky diode THz detectors that are frequently applied at accelerator facilities for operation at room temperature. Zero-biased Schottky diode THz detectors are having lower noise compared to biased ones due to the absence of shot noise. Here we demonstrate the sensitivity of Schottky detectors using a commercial continuous wave photomixing THz system as source. Both, a commercially available as well as a research-grade compact quasi-optical detector with improved video bandwidth are compared from 0.05 to 1.2 THz in terms of sensitivity. At 1 THz, the research grade quasi optical detector shows 7 dB higher dynamic range than the commercial one.

Freie Schlagworte: detector, experiment, FEL, electron, radiation
Sachgruppe der Dewey Dezimalklassifikatin (DDC): 500 Naturwissenschaften und Mathematik > 530 Physik
600 Technik, Medizin, angewandte Wissenschaften > 621.3 Elektrotechnik, Elektronik
Fachbereich(e)/-gebiet(e): 18 Fachbereich Elektrotechnik und Informationstechnik
18 Fachbereich Elektrotechnik und Informationstechnik > Institut für Mikrowellentechnik und Photonik (IMP)
Hinterlegungsdatum: 02 Aug 2024 12:54
Letzte Änderung: 02 Aug 2024 12:54
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