Improved production of O2(a1Delta) in transverse radio-frequency discharges

B. S. Woodard; J. W. Zimmerman; J. T. Verdeyen; D. L. Carroll; T. H. Field; G. F. Benavides; A. D. Palla; W. C. Solomon

doi:10.1117/12.782665

12 May 2008 Improved production of O₂(a¹Δ) in transverse radio-frequency discharges

B. S. Woodard, J. W. Zimmerman, J. T. Verdeyen, D. L. Carroll, T. H. Field, G. F. Benavides, A. D. Palla, W. C. Solomon

Proceedings Volume 7005, High-Power Laser Ablation VII; 70051L (2008) https://doi.org/10.1117/12.782665
Event: High-Power Laser Ablation 2008, 2008, Taos, New Mexico, United States

Abstract

Experimental investigations of radio-frequency discharges in O₂/He/NO mixtures in the pressure range of 1-100 Torr and power range of 0.1-2.5 kW have indicated that O₂(a¹Δ) production is a strong function of geometry, pressure and diluent ratio. The goal of these investigations was maximization of both the yield and flow rate (power flux) of O₂(a¹Δ) in order to produce favorable conditions for application to an electric oxygen-iodine laser (EOIL). As pressure is increased, yield performance is dominated by the influence of geometry and diluent ratio. Numerous measurements of O₂(a¹Δ), oxygen atoms, and discharge excited states are made in order to describe the discharge performance dependence on various parameters.

Citation Download Citation

B. S. Woodard, J. W. Zimmerman, J. T. Verdeyen, D. L. Carroll, T. H. Field, G. F. Benavides, A. D. Palla, and W. C. Solomon "Improved production of O₂(a¹Δ) in transverse radio-frequency discharges", Proc. SPIE 7005, High-Power Laser Ablation VII, 70051L (12 May 2008); https://doi.org/10.1117/12.782665

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