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A potential environment for lasing below 15 nm initiated by exploding wire in water

Published online by Cambridge University Press:  21 January 2010

K. Kolacek ,
V. Prukner ,
J. Schmidt ,
O. Frolov  and
J. Straus
K. Kolacek*
Affiliation:
Institute of Plasma Physics, Academy of Sciences of the Czech Republic, Prague, Czech Republic
V. Prukner
Affiliation:
Institute of Plasma Physics, Academy of Sciences of the Czech Republic, Prague, Czech Republic
J. Schmidt
Affiliation:
Institute of Plasma Physics, Academy of Sciences of the Czech Republic, Prague, Czech Republic
O. Frolov
Affiliation:
Institute of Plasma Physics, Academy of Sciences of the Czech Republic, Prague, Czech Republic
J. Straus
Affiliation:
Institute of Plasma Physics, Academy of Sciences of the Czech Republic, Prague, Czech Republic
*
Address correspondence and reprint requests to: K. Kolacek, Institute of Plasma Physics, Academy of Sciences of the Czech Republic, v.v.i., Za Slovankou 3, 182 00 Prague 8, Czech Republic. E-mail: kolacek@ipp.cas.cz
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Abstract

Proximity wall stabilized, fast (>4 × 1011 A/s), high current (>40 kA) discharges are capable to create long, dense, hot, stable, non-equilibrium plasma column, suitable e.g., for radiation amplification or even for lasing in extreme ultraviolet and soft X-ray region. Exploding wire in water resembles a metal-vapor-filled capillary with liquid, ever fresh wall (without any metallic deposit). Modeling of wire explosion (inclusive melting and boiling phase transitions, thermal diffusion, and variable conductivity) by the originally skinned driving current is described. Modeling results are compared with measurement of the discharge current and with side-on and end-on monitoring of H-alpha line emission. Analysis of H-alpha line profile is used for diagnostic of water-vapor layer around the wire. The differences between model and reality are attributed to the fact that the pressure dependence of material constants was neglected in the first approximation.

Keywords

Capillary dischargesExploding wires in waterExtreme ultraviolet lasersSoft X-ray lasers
Type
Research Article
Information
Laser and Particle Beams , Volume 28 , Issue 1 , March 2010 , pp. 61 - 67
Copyright
Copyright © Cambridge University Press 2010

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References

REFERENCES

Bernal, L. & Bruzzone, H. (2001). Comparison between the measured X-radiation from a hollow gas Z-pinch and a simple 1/2D model. In Int. Symp. Plasma 2001, “Research and Applications of Plasmas”, edited by Sadowski, M., Paper 3.15.Google Scholar
Clerouin, J., Renaudin, P., Laudernet, Y., Noiret, P. & Desjarlais, M.P. (2005). Electrical conductivity and equation-of-state study of warm dense copper: Measurements and quantum molecular dynamics calculations. Phys. Rev. B 71, 064203.CrossRefGoogle Scholar
Eberl, E., Wagner, T., Jacoby, J., Tauschwitz, A. & Hoffmann, D.H.H. (1997). Soft X-ray lasing at 519.7 angstrom in a recombining Z-pinch plasma. Laser Part. Beams 15, 589–595.CrossRefGoogle Scholar
Fedotov, A. (2008). Spectroscopic research of underwater electrical wire explosion. Phys. Plasmas 15, 082704/1-7.CrossRefGoogle Scholar
Frati, M., Seminario, M. & Rocca, J.J. (2000). Demonstration of a 10 µJ tabletop laser at 52.9 nm in neon-like chlorine. Opt. Lett. 25, 1022–1024.CrossRefGoogle Scholar
Kolacek, K., Schmidt, J., Prukner, V., Sunka, P., Frolov, O., Straus, J. & Martinkova, M. (2005). Principles and present state of capillary-discharge-pumped soft X-ray lasers. In Laser Interaction with Matter (Krokhin, O.N., Guskov, S.Y. & Merkulev, Y.A., Eds.). Proc. of SPIE, 5228, 557–573.Google Scholar
Kolacek, K. et al. (2005). Wire exploding in a focus of converging cylindrical shock wave in water — introductory remarks. 15th IEEE Int. Pulsed Power Conference, edited by Maenchen, J.E., Schamiloglu, E., Paper 2005_066, pp. 280–283.CrossRefGoogle Scholar
Kolacek, K., Schmidt, J., Prukner, V., Frolov, O. & Straus, J. (2008). Ways to discharge-based soft X-ray lasers with the wavelength λ < 15 nm. Laser Part. Beams 26, 167–178.CrossRefGoogle Scholar
Liu, R., Zou, X., Wang, X., He, L. & Zeng, N. (2008 a). X-pinch experiments with pulsed power generator (PPG-1) at Tsinghua University. Laser Part. Beams 26, 33–36.CrossRefGoogle Scholar
Liu, R., Zou, X., Wang, X., Zeng, N. & He, L. (2008 b). X-ray emission from an X-pinch and its applications. Laser Part. Beams 26, 455–460.CrossRefGoogle Scholar
Safronova, A., Kantsyrev, V., Fedin, D., Yilmaz, F., Hoppe, T., Nalajala, V., Douglass, J., McBride, R., Mitchell, M., Maxson, L. & Hammer, D. (2006). X-ray spectroscopy and imaging of combined X-pinches with Mo and W wires at Cornell and UNR 1 MA pulsed power devices. In Dense Z-Pinches (Chittenden, J., Ed.). pp. 145–148. Melville, NY: American Institute of Physics.Google Scholar
Tomasel, F.G., Rocca, J.J., Shlyaptsev, V.N. & Macchietto, C. D. (1997). Lasing at 60.8 nm in Ne-like sulphur ions in ablated material excited by a capillary discharge. Phys. Rev. A 55, 1437–1440.CrossRefGoogle Scholar
Traving, G. (1968). Interpretation of line broadening and line shift. In Plasma Diagnostics (Lochte-Holtgreven, W., Ed.). pp. 66–134. Amsterdam: North-Holland Publishing Company.Google Scholar
Wagner, T., Eberl, E., Frank, K., Hartmann, W., Hoffmann, D.H.H. & Tkotz, R. (1996). XUV amplification in a recombining z-pinch plasma. Phys. Rev. Lett. 76, 3124–3127.CrossRefGoogle Scholar