Simultaneous measurement of imploded core and heating laser injection by using x-ray framing camera

Mayuko Koga; Takashi Fujiwara; Tatsuhiko Sakaiya; Myongdok Lee; Keisuke Shigemori; Hiroyuki Shiraga; Hiroshi Azechi

doi:10.1117/12.822039

10 February 2009 Simultaneous measurement of imploded core and heating laser injection by using x-ray framing camera

Mayuko Koga; Takashi Fujiwara; Tatsuhiko Sakaiya; Myongdok Lee; Keisuke Shigemori; Hiroyuki Shiraga; Hiroshi Azechi

Author Affiliations +

Proceedings Volume 7126, 28th International Congress on High-Speed Imaging and Photonics; 71261K (2009) https://doi.org/10.1117/12.822039
Event: 28th International Congress on High-Speed Imaging and Photonics, 2008, Canberra, Australia

Abstract

In fast ignition experiment, it is important for effective heating of imploded core to control the injection time of heating laser synchronized with imploded core formation. However, it is difficult to measure the imploded core and heating laser injection at the same time. In this paper, we propose the simultaneous measurement using X-ray framing camera (XFC). In implosion experiment without heating laser, we observed only 2D thermal X-ray images of imploded core. On the other hand, in implosion experiments with heating laser, not only 2D X-ray images but also bright zones were observed on striplines. This zone is considered to show high energy X-ray from hot electron heated by heating laser. It is considered that the heating laser injection time is estimated from the peak position of this bright X-ray intensity profile. To explain the broad X-ray intensity profile, MCP gain calculation is attempted. The calculated results agree with experimental data qualitatively. Although the detailed X-ray energy measurement is needed, it is considered that we can estimate heating laser injection time with about 10 ps resolution from the peak position of high energy X-ray intensity profile.

Citation Download Citation

Mayuko Koga, Mayuko Koga, Takashi Fujiwara, Takashi Fujiwara, Tatsuhiko Sakaiya, Tatsuhiko Sakaiya, Myongdok Lee, Myongdok Lee, Keisuke Shigemori, Keisuke Shigemori, Hiroyuki Shiraga, Hiroyuki Shiraga, Hiroshi Azechi, Hiroshi Azechi, } "Simultaneous measurement of imploded core and heating laser injection by using x-ray framing camera", Proc. SPIE 7126, 28th International Congress on High-Speed Imaging and Photonics, 71261K (10 February 2009); doi: 10.1117/12.822039; https://doi.org/10.1117/12.822039

ACCESS THE FULL ARTICLE

PERSONAL SIGN IN
Full access may be available with your subscription

Email or Username Forgot your username?

Password Forgot your password?

Show

Remember Email/Username on this computer

Remember Password

No SPIE account? Create an account
or Institutional Sign In via Shibboleth

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available

Members: $14.40

Non-members: $18.00 ADD TO CART

Show All Keywords

Keywords/Phrases

Search In:

Publication Years