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Studies on the pulsed UV lasers excited by longitudinal discharge with automatic preionization
https://doi.org/10.18999/memfenu.42.2.238
https://doi.org/10.18999/memfenu.42.2.23838edaeab-eece-429f-8315-e1a974ea5d1b
名前 / ファイル | ライセンス | アクション |
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42-2-02.pdf (4.4 MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2020-10-29 | |||||
タイトル | ||||||
タイトル | Studies on the pulsed UV lasers excited by longitudinal discharge with automatic preionization | |||||
言語 | en | |||||
著者 |
Furuhashi, Hideo
× Furuhashi, Hideo× Goto, Toshio |
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アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
抄録 | ||||||
内容記述 | Pulsed UV lasers (N[2] and XeCl excimer lasers) excited by longitudinal discharge with automatic preionization have been studied. By using spark UV preionization and a charge transfer excitation circuit, the laser performance has been considerably improved. When the laser system was operated as a XeCl excimer laser, laser pulses of about 200 [µ]J output energy, 15 ns width (FWHM) and 1 mrad beam divergence (full angle) were obtained in the compact laser system of 26 cm discharge length at the gas mixture of 1.3 atm (He:Xe:HCl = 1.3 atm:6.0 torr:2.4 torr) and driving voltage of 40 kV. When the laser system was operated as a low pressure N[2] laser (337 nm), laser pulses of about 65 kW peak power and 5 ns width (FMHM) were obtained at the N[2] gas pressure of 60 torr and driving voltage of 40 kV. By using a rectangular cross-section discharge tube instead of a circular cross-section discharge tube, the performance of an N[2] laser has been improved considerably, and laser pulses of about 160 kW peak power, 1.28 mJ output energy and 8 ns pulse width (FWHM) were obtained. The possibilities of the high repetition rate operation have been investigated for N[2] laser and XeCl excimer laser. For N[2] laser, maximum average output power above 100 mW was obtained at the repetition rate of 130 pps. | |||||
言語 | en | |||||
内容記述タイプ | Abstract | |||||
出版者 | ||||||
言語 | en | |||||
出版者 | Faculty of Engineering, Nagoya University | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | departmental bulletin paper | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
ID登録 | ||||||
ID登録 | 10.18999/memfenu.42.2.238 | |||||
ID登録タイプ | JaLC | |||||
ISSN(print) | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 0027-7657 | |||||
書誌情報 |
en : Memoirs of the Faculty of Engineering, Nagoya University 巻 42, 号 2, p. 238-289, 発行日 1991-03-30 |
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著者版フラグ | ||||||
値 | publisher |