Metal-Coated <100>-Cut GaAs Coupled to Tapered Parallel-Plate Waveguide for Cherenkov-Phase-Matched Terahertz Detection: Influence of Crystal Thickness

• Material Type: 文書・図像類
• Title: Metal-Coated <100>-Cut GaAs Coupled to Tapered Parallel-Plate Waveguide for Cherenkov-Phase-Matched Terahertz Detection: Influence of Crystal Thickness
• Author/Editor: delos Santos, Ramon; Mag-usara, Valynn; Tuico, Anthony; Copa, Vernalyn; Salvador, Arnel; Yamamoto, Kohji; Somintac, Armando; Kurihara, Kazuyoshi; Kitahara, Hideaki; Tani, Masahiko; Estacio, Elmer
• Author Heading: delos Santos, Ramon; Mag-usara, Valynn; Tuico, Anthony; Copa, Vernalyn; Salvador, Arnel; Yamamoto, Kohji; Somintac, Armando; Kurihara, Kazuyoshi; Kitahara, Hideaki; Tani, Masahiko; Estacio, Elmer
• Publication, Distribution, etc.: Springer
• Publication Date: 2018-04-14
• Publication Date (W3CDTF): 2018-04-14
• Alternative Title: Metal-Coated <100>-Cut GaAs Coupled to Tapered Parallel-Plate Waveguide for Cherenkov-Phase-Matched Terahertz Detection: Influence of Crystal Thickness
• Periodical title: Journal of Infrared, Millimeter, and Terahertz Waves
• No. or year of volume/issue: 39 6
• Volume: 39
• Issue: 6
• Pages: 514-520
• ISSN (Periodical Title): ISSN : 1866-6892
• Text Language Code: eng
• Subject Heading: Terahertz waves; Electro-optic sampling; Cherenkov-phase-matching; Gallium arsenide; Waveguide
• Target Audience: 一般
• Note (General): The influence of crystal thickness of metal-coated <100>-cut GaAs (M-G-M) onCherenkov-phase-matched terahertz (THz) pulse detection was studied. The M-G-M detectors were utilized in conjunction with a metallic tapered parallel-plate waveguide (TPPWG). Polarization-sensitive measurements were carried out to exemplify the efficacy of GaAs in detecting transverse magnetic (TM)- and transverse electric (TE)-polarized THz waves. The reduction of GaAs’ thickness increased the THz amplitude spectra of the detected TMpolarized THz electro-optic (EO) signal due to enhanced electric field associated with a more tightly-focused and well-concentrated THz radiation on the thinner M-G-M. The higherfluence THz beam coupled to the thinner M-G-M improved the integrated intensity of the detected THz amplitude spectrum. This trend was not observed for TE-polarized THz waves, wherein the integrated intensities were almost comparable. Nevertheless, good agreement of spectral line shapes of the superposed TM- and TE-polarized THz-EO signals with that of elliptically polarized THz-EO signal demonstrates excellent polarization-resolved detection capabilities of M-G-M via Cherenkov-phase-matched EO sampling technique.
• Source: https://u-fukui.repo.nii.ac.jp/?action=repository_action_common_download&item_id=28705&item_no=1&attribute_id=22&file_no=1
• Access Restrictions: 限定公開
• Rights (production): copyright 2018 Springer Science+Business Media, LLC, part of Springer Nature
• Related Material (DOI): 10.1007/s10762-018-0487-1
• Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）; https://irdb.nii.ac.jp
• Original Data Provider (Database): 福井大学 : 福井大学学術機関リポジトリ