Investigation of the laser-induced plasma produced in a gas-filled chamber and in a gas jet

Jong-Uk Kim; Gaung-Hoon Kim; Hyyong Suk

doi:10.1117/12.516989

1 August 2003 Investigation of the laser-induced plasma produced in a gas-filled chamber and in a gas jet

Jong-Uk Kim, Gaung-Hoon Kim, Hyyong Suk

Proceedings Volume 4948, 25th International Congress on High-Speed Photography and Photonics; (2003) https://doi.org/10.1117/12.516989
Event: 25th international Congress on High-Speed photography and Photonics, 2002, Beaune, France

Abstract

In the current study, characteristics of the laser-induced plasma were investigated in a gas filled chamber or in a gas jet by using a relatively low intensity laser (I ≤ 5 x 10¹² W/cm²). Temporal evolutions of the produced plasma were measured using the shadow visualization and the shock wave propagation as well as the electron density profiles in the plasma channel was measured using the Mach-Zehnder interferometry. Experimental results such as the structure of the produced plasma, shock propagation speed (V_s), electron density profiles (n_e), and the electron temperature (T_e) are discussed in this study. Since the diagnostic laser pulse occurs over short time intervals compared to the hydrodynamic time scales of expanding plasma or a gas jet, all the transient motion occurring during the measurement is assumed to be essentially frozen. Therefore, temporally well-resolved quantitative measurements were possible in this study.

Citation Download Citation

Jong-Uk Kim, Gaung-Hoon Kim, and Hyyong Suk "Investigation of the laser-induced plasma produced in a gas-filled chamber and in a gas jet", Proc. SPIE 4948, 25th International Congress on High-Speed Photography and Photonics, (1 August 2003); https://doi.org/10.1117/12.516989

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

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