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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 22 — Nov. 15, 2013
  • pp: 4705–4707

Characterization of 700  μJ T rays generated during high-power laser solid interaction

A. Gopal, P. Singh, S. Herzer, A. Reinhard, A. Schmidt, U. Dillner, T. May, H.-G. Meyer, W. Ziegler, and G. G. Paulus  »View Author Affiliations

Optics Letters, Vol. 38, Issue 22, pp. 4705-4707 (2013)

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Laser-produced solid density plasmas are well-known as table-top sources of electromagnetic radiation. Recent studies have shown that energetic broadband terahertz pulses (T rays) can also be generated from laser-driven compact ion accelerators. Here we report the measurement of record-breaking T-Ray pulses with energies no less than 0.7 mJ. The terahertz spectrum has been characterized for frequencies ranging from 0.1133THz. The dependence of T-Ray yield on incident laser energy is linear and shows no tendencies of saturation. The noncollinear emission pattern and the high yield reveal that the T rays are generated by the transient field at the rear surface of the solid target.

OCIS Codes
(320.7120) Ultrafast optics : Ultrafast phenomena
(350.5400) Other areas of optics : Plasmas
(350.5610) Other areas of optics : Radiation
(280.5395) Remote sensing and sensors : Plasma diagnostics

ToC Category:

Original Manuscript: August 20, 2013
Manuscript Accepted: October 2, 2013
Published: November 12, 2013

A. Gopal, P. Singh, S. Herzer, A. Reinhard, A. Schmidt, U. Dillner, T. May, H.-G. Meyer, W. Ziegler, and G. G. Paulus, "Characterization of 700  μJ T rays generated during high-power laser solid interaction," Opt. Lett. 38, 4705-4707 (2013)

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