Direct high power laser diagnostic technique based on focused electron bunch

R. Sato, Y. Yoshida, K. Nonomura, Kazuyuki Sakaue, A. Endo, Masakazu Washio

研究成果: Conference contribution

抄録

In laser produced plasma EUV source, high intensity pulse CO<inf>2</inf> laser is essential for plasma generation. To achieve high conversion efficiency and stable EUV power, we desire to measure laser profile at the collision point. However, focused laser profile has not been observed directory by existing techniques. We have been developing laser profiler based on laser Compton scattering. Laser profile can be measured by scanning focused electron beam while measuring Compton scattering signal. This method is suitable for a high intensity laser, but very small spot size of electron beam is required. To achieve small spot size, we use S-band photocathode rf gun and specially designed solenoid lens. The beam size was simulated by General particle tracer (GPT) and directory measured by Gafchromic film HD-810. We have succeeded in observing minimum beam size of about 20μm rms. We are preparing beam scanning system, pulse CO<inf>2</inf> laser and a detector for Compton signal. In this conference, we will report the results of focused electron beam measurement and future prospect.

元の言語English
ホスト出版物のタイトルIPAC 2014: Proceedings of the 5th International Particle Accelerator Conference
出版者Joint Accelerator Conferences Website (JACoW)
ページ2242-2244
ページ数3
ISBN(印刷物)9783954501328
出版物ステータスPublished - 2014 7 1
イベント5th International Particle Accelerator Conference, IPAC 2014 - Dresden, Germany
継続期間: 2014 6 152014 6 20

Other

Other5th International Particle Accelerator Conference, IPAC 2014
Germany
Dresden
期間14/6/1514/6/20

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high power lasers
lasers
directories
electrons
electron beams
profiles
plasma generators
scanning
S band
photocathodes
solenoids
pulses
scattering
laser plasmas
tracers
lenses
collisions
detectors

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

これを引用

Sato, R., Yoshida, Y., Nonomura, K., Sakaue, K., Endo, A., & Washio, M. (2014). Direct high power laser diagnostic technique based on focused electron bunch. : IPAC 2014: Proceedings of the 5th International Particle Accelerator Conference (pp. 2242-2244). Joint Accelerator Conferences Website (JACoW).

Direct high power laser diagnostic technique based on focused electron bunch. / Sato, R.; Yoshida, Y.; Nonomura, K.; Sakaue, Kazuyuki; Endo, A.; Washio, Masakazu.

IPAC 2014: Proceedings of the 5th International Particle Accelerator Conference. Joint Accelerator Conferences Website (JACoW), 2014. p. 2242-2244.

研究成果: Conference contribution

Sato, R, Yoshida, Y, Nonomura, K, Sakaue, K, Endo, A & Washio, M 2014, Direct high power laser diagnostic technique based on focused electron bunch. : IPAC 2014: Proceedings of the 5th International Particle Accelerator Conference. Joint Accelerator Conferences Website (JACoW), pp. 2242-2244, 5th International Particle Accelerator Conference, IPAC 2014, Dresden, Germany, 14/6/15.
Sato R, Yoshida Y, Nonomura K, Sakaue K, Endo A, Washio M. Direct high power laser diagnostic technique based on focused electron bunch. : IPAC 2014: Proceedings of the 5th International Particle Accelerator Conference. Joint Accelerator Conferences Website (JACoW). 2014. p. 2242-2244
Sato, R. ; Yoshida, Y. ; Nonomura, K. ; Sakaue, Kazuyuki ; Endo, A. ; Washio, Masakazu. / Direct high power laser diagnostic technique based on focused electron bunch. IPAC 2014: Proceedings of the 5th International Particle Accelerator Conference. Joint Accelerator Conferences Website (JACoW), 2014. pp. 2242-2244
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