Optical diagnostics for the pulsed laser deposition of YBa2Cu3O7-x superconducting wires

Carl J. Druffner; Patrick D. Kee; Matthew A. Lange; Glen P. Perram; Rand R. Biggers; Paul N. Barnes

doi:10.1117/12.548709

20 September 2004 Optical diagnostics for the pulsed laser deposition of YBa₂Cu₃O_7-x superconducting wires

Carl J. Druffner, Patrick D. Kee, Matthew A. Lange, Glen P. Perram, Rand R. Biggers, Paul N. Barnes

Proceedings Volume 5448, High-Power Laser Ablation V; (2004) https://doi.org/10.1117/12.548709
Event: High-Power Laser Ablation, 2004, Taos, New Mexico, United States

Abstract

One of the critical elements in the manufacture of long lengths of high temperature superconducting wires is the development of deposition diagnostics correlated with the quality of deposited material for process control. Fast imagery, emission spectroscopy, and time-of-flight spectroscopy of the very energetic plumes resulting from the pulsed laser deposition of YBa₂Cu₃O_7-x have been recorded for a wide range of deposition conditions at four military, DoE, and industrial facilities. Several optical signatures that are strongly correlated with the deposited critical currents have been identified with strong potential for process control. In addition, the partioning of energy among translation, electronic and ro-vibrational degrees of freedom as a function of laser fluence, chamber pressure, and position in the plume have been characterized.

Citation Download Citation

Carl J. Druffner, Patrick D. Kee, Matthew A. Lange, Glen P. Perram, Rand R. Biggers, and Paul N. Barnes "Optical diagnostics for the pulsed laser deposition of YBa₂Cu₃O_7-x superconducting wires", Proc. SPIE 5448, High-Power Laser Ablation V, (20 September 2004); https://doi.org/10.1117/12.548709

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