超高速テラヘルツ時間領域分光装置のための研究開発

Material type: 文書・図像類

Author: 谷, 正彦ほか

Publisher: Research and Development for Ultrafast Terahertz Time-Domain Spectroscopy System

Publication date: 2010-07

Material Format: Digital

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Note (General)：: We report on our research and development aiming for realization of an ultrafast terahertz time-domain spectroscopy (THz-TDS) system. To achieve the g...

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Material Type: 文書・図像類
Title: 超高速テラヘルツ時間領域分光装置のための研究開発
Author/Editor: 谷, 正彦
山本, 晃司
古屋, 岳
クリストファー, ケ
宮丸, 文章
西澤, 誠治
Author Heading: 谷, 正彦
山本, 晃司
古屋, 岳
クリストファー, ケ
宮丸, 文章
西澤, 誠治
Publication, Distribution, etc.: Research and Development for Ultrafast Terahertz Time-Domain Spectroscopy System
Publication Date: 2010-07
Publication Date (W3CDTF): 2010-07
Periodical title: 遠赤外領域開発研究
No. or year of volume/issue: 11
Volume: 11
Pages: 99-106
Text Language Code: jpn
Target Audience: 一般
Note (General): We report on our research and development aiming for realization of an ultrafast terahertz time-domain spectroscopy (THz-TDS) system. To achieve the goal, we have proposed a new asynchronous optical sampling method, in which an optical pulse train with its interval incremented (or decremented) continuously and its one-cycle delayed replica are used as the pump and probe pulses. We demonstrated a 3-msec single-scan measurement of a THz waveform with a 312-ps time window. The relatively large timing-jitter (~10ps) of the laser system limited the detection bandwidth below 100 GHz. In addition, we also tried to improve the efficiency of photoconductive (PC) antennas, which are used as the emitter and detector in the THz-TDS system, by optimizing the antenna design. We found that the emission efficiency of the dipole-type PC antennas can be significantly improved by using a relatively long antenna length (~70 μm) without much sacrificing the emission spectral bandwidth.
Source: https://u-fukui.repo.nii.ac.jp/?action=repository_action_common_download&item_id=27329&item_no=1&attribute_id=22&file_no=1
https://u-fukui.repo.nii.ac.jp/?action=repository_action_common_download&item_id=27329&item_no=1&attribute_id=22&file_no=1
Access Restrictions: 限定公開
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