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Author: john curry

Displaying records 21 to 30 of 36 records.
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21. A Compilation of Wavelengths, Energy Levels, and Transition Probabilities for Ba I and Ba II
Published: 8/13/2004
Author: John J Curry
Abstract: Energy levels, wavelengths, and transition probabilities for Ba I and Ba II have been compiled. The data are obtained from a critical evaluation of experimental measurements, and some transition probability calculations, described in the literature.
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=840650

22. Deviations From Equilibrium of Thallium Level Populations in a Metal Halide Arc Lamp
Published: 7/1/2004
Authors: D Karahourniotis, John J Curry, E Drakakis, Eric C Benck
Abstract: The excitation equilibrium in a metal halide lamp was studied using a method based on optically thick lines without the assumption of local thermodynamic equilibrium (LTE). The lamp has a diameter of 15.4 mm, an electrode gap of 28 mm, and was operat ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=840699

23. Systematic Observations of 150 W Metal-Halide Arc Lamps Containing a Progression of Additive Chemistries
Published: 7/1/2004
Authors: John J Curry, Craig J Sansonetti
Abstract: With three complimentary diagnostic methods, we examined a series of 150 W metal-halide arc lamps containing a progression of additive chemistries: 1) pure Hg, 2) Hg + HgI2, 3) Hg + NaI, and 4) Hg + NaI + DyI3. We obtained spatial distributions of H ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=840700

24. X-Ray Absorption Imaging of Hg Vapor in a Ceramic Metal-Halide Lamp Using Synchrotron Radiation
Published: 5/1/2004
Authors: John J Curry, H G Adler, A MacPhee, Suresh Narayanan, J C.F. Wang
Abstract: The diagnostic technique based on absorption of x-rays by the Hg vapor in a high-intensity discharge lamp has been extended using synchrotron radiation as the source of x-rays and an intensified charge-coupled device (ICCD) as the detector. The high ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=840675

25. Compilation of Wavelengths, Energy Levels, and Transition Probabilities for Ba I and Ba II
Published: 1/1/2004
Author: John J Curry
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=102040

26. Deviations from equilibrium of thallium level populations in a metal halide arc lamp, ed. by G. Zissis
Published: 1/1/2004
Authors: D Karaborniotis, John J Curry, E Drakakis, Eric C Benck
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=102750

27. Power balance in highly loaded fluorescent lamps
Published: 1/1/2004
Authors: G G Lister, John J Curry, J E Lawler
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=102300

28. Direct Observation of De-Mixing in a Ceramic Metal-Halide Arc Lamp
Published: 6/18/2003
Authors: John J Curry, H G Adler, S Shastri, W -K Lee
Abstract: De-mixing of additives in a vertically-operated DyI^d3^-CsI-Hg ceramic metal halide arc lamp has been observed by examining the ratios of absolute elemental densities as a function of position. As the elemental densities have been obtained directly b ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=840624

29. Direct Observation of De-Mixing in a Ceramic Metal-Halide Lamp Using High Energy X-Ray Induced Fluorescence
Published: 6/18/2003
Authors: John J Curry, H G Adler, W -K Lee, S Shastri
Abstract: Number densities of the elemental constituents in a ceramic metal-halide high intensity discharge lamp have been obtained with x-ray induced fluorescence. Hg, Dy, Cs, and I have been examined as a function of radial position in the midplane of a Hg ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=840543

30. X-Ray Induced Fluorescence Measurement of Density Distributions in a Metal-Halide Lighting Arc
Published: 3/1/2003
Authors: John J Curry, H G Adler, S Shastri, W -K Lee
Abstract: The use of x-ray induced fluorescence to measure elemental densities in a metal-halide lighting arc is described. High-energy synchrotron radiation generated on the Sector 1 Insertion Device beam line at the Advanced Photon Source induces K-shell flu ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=840575



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