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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 29, Iss. 4 — Feb. 1, 1990
  • pp: 522–530

Spectroscopic study of ablation in guided surface discharge plasmas

Fernando Encinas Sanz and Jose M. Guerra Perez  »View Author Affiliations


Applied Optics, Vol. 29, Issue 4, pp. 522-530 (1990)
http://dx.doi.org/10.1364/AO.29.000522


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Abstract

A spectroscopic study of gliding ablative discharges has been carried out on N2, CO2, and lasing mixtures of TEA CO2 lasers. By spectroscopic plasma diagnosis techniques (local thermodynamic equilibrium assumed) we observed an inhomogeneous transversal distribution of the ablated elements. Electronic temperature and density transversal distributions are, however, fairly homogeneous. We also found a different ablation threshold for two ablated substrate elements. The ablation threshold seems to be related to the plasma current density. The results are of practical interest in the UV preionization of TEA CO2 lasers.

© 1990 Optical Society of America

History
Original Manuscript: March 27, 1989
Published: February 1, 1990

Citation
Fernando Encinas Sanz and Jose M. Guerra Perez, "Spectroscopic study of ablation in guided surface discharge plasmas," Appl. Opt. 29, 522-530 (1990)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-29-4-522

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