Hydrocarbon-free resonance transition 795-nm rubidium laser

Sheldon S. Q. Wu; Thomas F. Soules; Ralph H. Page; Scott C. Mitchell; V. Keith Kanz; Raymond J. Beach

doi:10.1117/12.765592

21 February 2008 Hydrocarbon-free resonance transition 795-nm rubidium laser

Sheldon S. Q. Wu, Thomas F. Soules, Ralph H. Page, Scott C. Mitchell, V. Keith Kanz, Raymond J. Beach

Proceedings Volume 6874, High Energy/Average Power Lasers and Intense Beam Applications II; 68740E (2008) https://doi.org/10.1117/12.765592
Event: Lasers and Applications in Science and Engineering, 2008, San Jose, California, United States

Abstract

An optical resonance transition rubidium laser (5²P_1/2 → 5²S_1/2) is demonstrated with a hydrocarbon-free buffer gas. Prior demonstrations of alkali resonance transition lasers have used ethane as either the buffer gas or a buffer gas component to promote rapid fine-structure mixing. However, our experience suggests that the alkali vapor reacts with the ethane producing carbon as one of the reaction products. This degrades long term laser reliability. Our recent experimental results with a "clean" helium-only buffer gas system pumped by a Ti:sapphire laser demonstrate all the advantages of the original alkali laser system, but without the reliability issues associated with the use of ethane.

Citation Download Citation

Sheldon S. Q. Wu, Thomas F. Soules, Ralph H. Page, Scott C. Mitchell, V. Keith Kanz, and Raymond J. Beach "Hydrocarbon-free resonance transition 795-nm rubidium laser", Proc. SPIE 6874, High Energy/Average Power Lasers and Intense Beam Applications II, 68740E (21 February 2008); https://doi.org/10.1117/12.765592

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