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201. Implementation of pulse shaping on the OMEGA laser system

Author

Samuel A. Letzring, Mark D. Skeldon, Snow T. Bui, and Walter J. Siryk

Subjects
Femtosecond pulse shaping, Materials science, business.industry, Amplifier, Laser, Pulse shaping, Pockels effect, Pulse (physics), law.invention, Optics, law, Ultrafast laser spectroscopy, Optoelectronics, business, Fabry–Pérot interferometer
Abstract

A pulse-shaping system has been implemented on the OMEGA laser system. The system consists of a cw-mode-locked laser that seeds two regenerative amplifiers. In one regenerative amplifier the pulse width is stretched in time with an intracavity etalon. The other regenerative amplifier is used to trigger a photoconductivity switched Pockels cell, which shapes the stretched pulse.

Published
1992
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207. Cytomegalic Interneurons

Author

André, Véronique M., primary, Wu, Nanping, additional, Yamazaki, Irene, additional, Nguyen, Snow T., additional, Fisher, Robin S., additional, Vinters, Harry V., additional, Mathern, Gary W., additional, Levine, Michael S., additional, and Cepeda, Carlos, additional

Published
2007
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208. Design and energy characteristics of a multisegment glass-disk amplifier

Author

Milton J. Shoup, Mark D. Skeldon, John H. Kelly, and Snow T. Bui

Subjects
Operating point, Engineering, Aperture, business.industry, Amplifier, Laser, law.invention, Optics, Beamline, law, Computer data storage, business, Optical filter, Characteristic energy
Abstract

Multi-segment disk amplifiers (MSA) are of particular interest in fusion laser systems because of the improved efficiency and compactness they offer compared with conventional disk amplifiers. A multisegment amplifier consists of two or more conventional disk amplifiers which share one or more common flash-lamp arrays. Each 'segment' amplifies one 'beamlet.' A 2 x 2 MSA can therefore amplify four beamlets. The shared flash-lamp arrays, lacking large reflectors, pump the disks more efficiently because of reduced lamp self-absorption. Furthermore, the reduction of reflector surface area per unit disk area reduces absorptive losses of pump light. The authors have constructed a 2 x 2 MSA with individual beamlet apertures of 24 cm. Each aperture contains five phosphate glass disks. This device is designed to be angularly double-passed by a 20-cm beam. Design details and rationale are presented. The energy transport performance of the amplifier was measured in both small- and large-signal regimes. A nominal small-signal gain of 11.8 was measured. The storage efficiency exceeded 3.5% at the nominal operating point. The amplifier was deployed as a booster for one beamline of the OMEGA laser system at the University of Rochester. In that configuration, 950 J of focusable energy was obtained from a single segment in a 800-ps pulse at 130-J drive. Details of these measurements are presented.

Published
1991
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212. Contralateral hemimicrencephaly and clinical–pathological correlations in children with hemimegalencephaly

Author

Salamon, Noriko, primary, Andres, Marissa, additional, Chute, Dennis J., additional, Nguyen, Snow T., additional, Chang, Julia W., additional, Huynh, My N., additional, Chandra, P. Sarat, additional, Andre, Veronique M., additional, Cepeda, Carlos, additional, Levine, Michael S., additional, Leite, Joao P., additional, Neder, Luciano, additional, Vinters, Harry V., additional, and Mathern, Gary W., additional

Published
2005
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213. Magellanic Diffuse Interstellar Bands and Carbon Chemistry

Author

Ehrenfreund, P., primary, Cox, N., additional, Cami, J., additional, Foing, B.H., additional, Kaper, L., additional, d’Hendecourt, L., additional, Maier, J.P., additional, Salama, F., additional, Sarre, P., additional, Snow, T., additional, and Sonnentrucker, P., additional

Published
2005
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221. Detection of Diffuse Interstellar Bands in the Magellanic Clouds

Author

Ehrenfreund, P., primary, Cami, J., additional, Jiménez-Vicente, J., additional, Foing, B. H., additional, Kaper, L., additional, van der Meer, A., additional, Cox, N., additional, d’Hendecourt, L., additional, Maier, J. P., additional, Salama, F., additional, Sarre, P. J., additional, Snow, T. P., additional, and Sonnentrucker, P., additional

Published
2002
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225. The Detection of Wind Variability in Magellanic Cloud O Stars

Author

Massa, D., primary, Fullerton, A. W., additional, Hutchings, J. B., additional, Morton, D. C., additional, Sonneborn, G., additional, Willis, A. J., additional, Bianchi, L., additional, Brownsberger, K. R., additional, Crowther, P. A., additional, Snow, T. P., additional, and York, D. G., additional

Published
2000
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226. [ITAL]Far Ultraviolet Spectroscopic Explorer[/ITAL] Observations of Molecular Hydrogen in Translucent Interstellar Clouds: The Line of Sight toward HD 73882

Author

Snow, T. P., primary, Rachford, B. L., additional, Tumlinson, J., additional, Shull, J. M., additional, Welty, D. E., additional, Blair, W. P., additional, Ferlet, R., additional, Friedman, S. D., additional, Gry, C., additional, Jenkins, E. B., additional, Lecavelier, A., additional, Lemoine, M., additional, Morton, D. C., additional, Savage, B. D., additional, Sembach, K. R., additional, Vidal-Madjar, A., additional, York, D. G., additional, Andersson, B-G, additional, Feldman, P. D., additional, and Moos, H. W., additional

Published
2000
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227. [ITAL]Far Ultraviolet Spectroscopic Explorer[/ITAL] Observations of the HD Molecule toward HD 73882

Author

Ferlet, R., primary, André, M., additional, Hébrard, G., additional, Lecavelier des Etangs, A., additional, Lemoine, M., additional, Pineau des Forêts, G., additional, Roueff, E., additional, Rachford, B. L., additional, Shull, J. M., additional, Snow, T. P., additional, Tumlinson, J., additional, Vidal-Madjar, A., additional, York, D. G., additional, and Moos, H. W., additional

Published
2000
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228. Overview of the [ITAL]Far Ultraviolet Spectroscopic Explorer[/ITAL] Mission

Author

Moos, H. W., primary, Cash, W. C., additional, Cowie, L. L., additional, Davidsen, A. F., additional, Dupree, A. K., additional, Feldman, P. D., additional, Friedman, S. D., additional, Green, J. C., additional, Green, R. F., additional, Gry, C., additional, Hutchings, J. B., additional, Jenkins, E. B., additional, Linsky, J. L., additional, Malina, R. F., additional, Michalitsianos, A. G., additional, Savage, B. D., additional, Shull, J. M., additional, Siegmund, O. H. W., additional, Snow, T. P., additional, Sonneborn, G., additional, Vidal-Madjar, A., additional, Willis, A. J., additional, Woodgate, B. E., additional, York, D. G., additional, Ake, T. B., additional, Andersson, B-G, additional, Andrews, J. P., additional, Barkhouser, R. H., additional, Bianchi, L., additional, Blair, W. P., additional, Brownsberger, K. R., additional, Cha, A. N., additional, Chayer, P., additional, Conard, S. J., additional, Fullerton, A. W., additional, Gaines, G. A., additional, Grange, R., additional, Gummin, M. A., additional, Hebrard, G., additional, Kriss, G. A., additional, Kruk, J. W., additional, Mark, D., additional, McCarthy, D. K., additional, Morbey, C. L., additional, Murowinski, R., additional, Murphy, E. M., additional, Oegerle, W. R., additional, Ohl, R. G., additional, Oliveira, C., additional, Osterman, S. N., additional, Sahnow, D. J., additional, Saisse, M., additional, Sembach, K. R., additional, Weaver, H. A., additional, Welsh, B. Y., additional, Wilkinson, E., additional, and Zheng, W., additional

Published
2000
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229. [ITAL]Far Ultraviolet Spectroscopic Explorer[/ITAL] Observations of the Stellar Winds of Two O7 Supergiants in the Magellanic Clouds

Author

Fullerton, A. W., primary, Crowther, P. A., additional, De Marco, O., additional, Hutchings, J. B., additional, Bianchi, L., additional, Brownsberger, K. R., additional, Massa, D. L., additional, Morton, D. C., additional, Rachford, B. L., additional, Snow, T. P., additional, Sonneborn, G., additional, Tumlinson, J., additional, and Willis, A. J., additional

Published
2000
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247. Untitled.

Author

Snow, T. J.

Published
1999

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