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Effects of helium upon electron beam excitation of N+2 at 391.4 and 427.8 nm
dc.contributor.authorBrake, Mary L.en_US
dc.contributor.authorGilgenbach, Ronald M.en_US
dc.contributor.authorLucey, R. F.en_US
dc.contributor.authorPearce, K.en_US
dc.contributor.authorRepetti, T. E.en_US
dc.contributor.authorSojka, P. E.en_US
dc.date.accessioned2010-05-06T20:31:39Z
dc.date.available2010-05-06T20:31:39Z
dc.date.issued1986-09-22en_US
dc.identifier.citationBrake, M. L.; Gilgenbach, R. M.; Lucey, R. F.; Pearce, K.; Repetti, T.; Sojka, P. E. (1986). "Effects of helium upon electron beam excitation of N+2 at 391.4 and 427.8 nm." Applied Physics Letters 49(12): 696-698. <http://hdl.handle.net/2027.42/69388>en_US
dc.identifier.urihttps://hdl.handle.net/2027.42/69388
dc.description.abstractRelativistic electron beam interactions with very small ratios of nitrogen to helium (10−1–10−4) have been found to produce extremely large N+2(B2Σ+u–X2Σ+g) intensities at 391.4 and 427.8 nm, compared to line intensities originating from helium. These results occurred in the total pressure regime of 0.1–500 Torr. The pressure scaling results presented here are inconsistent with previously proposed kinetic mechanisms for the N+2 laser pumped by helium. With a simple model of the chemical kinetics, we show that this effect is due to the collisional transfer of energy between excited states of helium atoms and the ground state of N+2.en_US
dc.format.extent3102 bytes
dc.format.extent237141 bytes
dc.format.mimetypetext/plain
dc.format.mimetypeapplication/pdf
dc.publisherThe American Institute of Physicsen_US
dc.rights© The American Institute of Physicsen_US
dc.titleEffects of helium upon electron beam excitation of N+2 at 391.4 and 427.8 nmen_US
dc.typeArticleen_US
dc.subject.hlbsecondlevelPhysicsen_US
dc.subject.hlbtoplevelScienceen_US
dc.description.peerreviewedPeer Revieweden_US
dc.contributor.affiliationumIntense Energy Beam Interaction Laboratory, Department of Nuclear Engineering, University of Michigan, Ann Arbor, Michigan 48109en_US
dc.contributor.affiliationotherDepartment of Mechanical Engineering, Purdue University, West Lafayette, Indiana 47907en_US
dc.description.bitstreamurlhttp://deepblue.lib.umich.edu/bitstream/2027.42/69388/2/APPLAB-49-12-696-1.pdf
dc.identifier.doi10.1063/1.97571en_US
dc.identifier.sourceApplied Physics Lettersen_US
dc.identifier.citedreferenceC. Collins, IEEE J. Quantum Electron. QE‐20, 47 (1984).en_US
dc.identifier.citedreferenceM. Kokawa, M. Saito, S. Horiguchi, and T. Nakaya, J. Phys. D 18, 177 (1985).en_US
dc.identifier.citedreferenceJ. Atkinsen and J. Sanders, J. Phys. B (Proc. Phys. Soc.) Ser. 2, 1, 1171 (1968).en_US
dc.identifier.citedreferenceG. Cooper and J. Verdeyen, J. Appl. Phys. 48, 1170 (1977).en_US
dc.identifier.citedreferenceM. Brake, T. Repetti, K. Pearce, and R. F. Lucey, Jr., J. Appl. Phys. 60, 99 (1986).en_US
dc.identifier.citedreferenceJ. Tucker, M. Brake, and R. Gilgenbach, J. Appl. Phys. 59, 2251 (1986).en_US
dc.owningcollnamePhysics, Department of


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