X-ray yields of plasmas heated by 8-nsec neodymium laser pulses
36 elemental targets, beryllium through uranium, were irradiated with 8-nsec FWHM Nd : glass laser pulses focused to ∼4×1013 W/cm2. X-ray spectra were recorded with a convex-crystal spectrograph and with a 22-channel PIN-diode spectrometer. Line and continuum spectra indicated temperatures of 36589...
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Veröffentlicht in: | J. Appl. Phys.; (United States) 1980-03, Vol.51 (3), p.1449-1451 |
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container_title | J. Appl. Phys.; (United States) |
container_volume | 51 |
creator | Glibert, K. M. Anthes, J. P. Gusinow, M. A. Palmer, M. A. Whitlock, R. R. Nagel, D. J. |
description | 36 elemental targets, beryllium through uranium, were irradiated with 8-nsec FWHM Nd : glass laser pulses focused to ∼4×1013 W/cm2. X-ray spectra were recorded with a convex-crystal spectrograph and with a 22-channel PIN-diode spectrometer. Line and continuum spectra indicated temperatures of 36589 eV. Total x-ray irradiances in the energy range 0.7–20 keV showed strong peaking as a function of atomic number with a maximum conversion efficiency of 9.6% relative to the incident laser energy. An indication of enhanced N-shell x-ray emission near U is reported here for the first time. |
doi_str_mv | 10.1063/1.327791 |
format | Article |
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J.</creatorcontrib><creatorcontrib>Sandia Laboratories, Albuquerque, New Mexico 87185</creatorcontrib><title>X-ray yields of plasmas heated by 8-nsec neodymium laser pulses</title><title>J. Appl. Phys.; (United States)</title><description>36 elemental targets, beryllium through uranium, were irradiated with 8-nsec FWHM Nd : glass laser pulses focused to ∼4×1013 W/cm2. X-ray spectra were recorded with a convex-crystal spectrograph and with a 22-channel PIN-diode spectrometer. Line and continuum spectra indicated temperatures of 36589 eV. Total x-ray irradiances in the energy range 0.7–20 keV showed strong peaking as a function of atomic number with a maximum conversion efficiency of 9.6% relative to the incident laser energy. An indication of enhanced N-shell x-ray emission near U is reported here for the first time.</description><subject>70 PLASMA PHYSICS AND FUSION TECHNOLOGY</subject><subject>700101 - Fusion Energy- Plasma Research- Confinement, Heating, & Production</subject><subject>CRYSTALS</subject><subject>EFFICIENCY</subject><subject>GLASS</subject><subject>HEATING</subject><subject>IRRADIATION</subject><subject>LASER-RADIATION HEATING</subject><subject>LASERS</subject><subject>MEASURING INSTRUMENTS</subject><subject>NEODYMIUM LASERS</subject><subject>PLASMA</subject><subject>PLASMA HEATING</subject><subject>PULSES</subject><subject>RADIATION SOURCES</subject><subject>SOLID STATE LASERS</subject><subject>SPECTRA</subject><subject>SPECTROMETERS</subject><subject>TARGETS</subject><subject>X-RAY EQUIPMENT</subject><subject>X-RAY SOURCES</subject><subject>X-RAY SPECTRA</subject><issn>0021-8979</issn><issn>1089-7550</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1980</creationdate><recordtype>article</recordtype><recordid>eNotkEtLAzEURoMoWKvgTwiu3KTmJpPHrESKLyi4UXAXMjc3dKQzUybTxfx7K3X1fYvDWRzGbkGuQFr9ACutnKvhjC1A-lo4Y-Q5W0ipQPja1ZfsqpQfKQG8rhfs8VuMceZzS7tU-JD5fhdLFwvfUpwo8WbmXvSFkPc0pLlrDx0_EjTy_WFXqFyzixyP5-Z_l-zr5flz_SY2H6_v66eNQGXUJLKKxqdYk23QK9K2UT5aY7PLSKmyRhsHWstkK0zoICrTAGbnyYNGQr1kdyfvUKY2FGwnwi0OfU84BVMZayt7hO5PEI5DKSPlsB_bLo5zABn-6gQIpzr6F6bOVfM</recordid><startdate>19800301</startdate><enddate>19800301</enddate><creator>Glibert, K. 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M.</creatorcontrib><creatorcontrib>Anthes, J. P.</creatorcontrib><creatorcontrib>Gusinow, M. A.</creatorcontrib><creatorcontrib>Palmer, M. A.</creatorcontrib><creatorcontrib>Whitlock, R. R.</creatorcontrib><creatorcontrib>Nagel, D. J.</creatorcontrib><creatorcontrib>Sandia Laboratories, Albuquerque, New Mexico 87185</creatorcontrib><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>J. Appl. Phys.; (United States)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Glibert, K. M.</au><au>Anthes, J. P.</au><au>Gusinow, M. A.</au><au>Palmer, M. A.</au><au>Whitlock, R. R.</au><au>Nagel, D. J.</au><aucorp>Sandia Laboratories, Albuquerque, New Mexico 87185</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>X-ray yields of plasmas heated by 8-nsec neodymium laser pulses</atitle><jtitle>J. Appl. Phys.; (United States)</jtitle><date>1980-03-01</date><risdate>1980</risdate><volume>51</volume><issue>3</issue><spage>1449</spage><epage>1451</epage><pages>1449-1451</pages><issn>0021-8979</issn><eissn>1089-7550</eissn><abstract>36 elemental targets, beryllium through uranium, were irradiated with 8-nsec FWHM Nd : glass laser pulses focused to ∼4×1013 W/cm2. X-ray spectra were recorded with a convex-crystal spectrograph and with a 22-channel PIN-diode spectrometer. Line and continuum spectra indicated temperatures of 36589 eV. Total x-ray irradiances in the energy range 0.7–20 keV showed strong peaking as a function of atomic number with a maximum conversion efficiency of 9.6% relative to the incident laser energy. An indication of enhanced N-shell x-ray emission near U is reported here for the first time.</abstract><cop>United States</cop><doi>10.1063/1.327791</doi><tpages>3</tpages></addata></record> |
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subjects | 70 PLASMA PHYSICS AND FUSION TECHNOLOGY 700101 - Fusion Energy- Plasma Research- Confinement, Heating, & Production CRYSTALS EFFICIENCY GLASS HEATING IRRADIATION LASER-RADIATION HEATING LASERS MEASURING INSTRUMENTS NEODYMIUM LASERS PLASMA PLASMA HEATING PULSES RADIATION SOURCES SOLID STATE LASERS SPECTRA SPECTROMETERS TARGETS X-RAY EQUIPMENT X-RAY SOURCES X-RAY SPECTRA |
title | X-ray yields of plasmas heated by 8-nsec neodymium laser pulses |
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