Stephen E. Harris (original) (raw)
ستيفن إي. هاريس (29 نوفمبر 1936) فيزيائي أمريكي معروف بمساهماته في (بالإنجليزية: electromagnetically induced transparency)، وتعدل من الفوتونات المنفردة، وانبعاث الأشعة السينية.
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| dbo:abstract | ستيفن إي. هاريس (29 نوفمبر 1936) فيزيائي أمريكي معروف بمساهماته في (بالإنجليزية: electromagnetically induced transparency)، وتعدل من الفوتونات المنفردة، وانبعاث الأشعة السينية. (ar) Stephen Ernest Harris (* 29. November 1936 in Brooklyn) ist ein US-amerikanischer Physiker und Elektroingenieur, bekannt für Beiträge zur Laserphysik und nichtlinearen Optik. Harris studierte Elektrotechnik am Rensselaer Polytechnic Institute (Bachelor 1959) und an der Stanford University, wo er 1961 seinen Master-Abschluss machte und 1963 bei Anthony E. Siegman promoviert wurde (Demodulation of frequency-modulated light). Noch während des Studiums war er 1959/60 Mitglied der Bell Laboratories und 1961 bis 1963 bei . 1963 wurde er Assistant Professor, 1967 Associate Professor und 1971 Professor für Elektrotechnik an der Stanford University. Seit 1979 ist er außerdem Professor für Angewandte Physik (Kenneth and Barbara Oshman Professor). 1983 bis 1991 war er als Nachfolger von Siegman Direktor des Edward-L.-Ginzton-Labors in Stanford. 1993 bis 1996 leitete er die Fakultät für Angewandte Physik. Er erfand in den 1960er Jahren den (FM für Frequenzmodulation). Harris entwickelte in den 1980er Jahren Vorschläge für Laser im extremen UV- und Röntgenbereich. Ende der 1980er Jahre war er an der Entwicklung der (EIT) beteiligt. Die Idee war in einem Vorschlag von Harris zu Lasern ohne Inversion enthalten und wurde unabhängig von Olga Kocharovskaya und Ya. I. Khanin in der Sowjetunion vorgeschlagen. Sie wurde von Harris 1991 mit Klaus Boller und Atac Imamoglu in Strontium- und Blei-Gas demonstriert. Er veröffentlichte über 220 wissenschaftliche Aufsätze (2010) und hält 16 Patente. 1976 war er Guggenheim-Fellow. Er ist Fellow der IEEE, der Optical Society of America und der American Physical Society. 1977 wurde er Fellow der National Academy of Engineering, 1981 der National Academy of Sciences, 1995 der American Academy of Arts and Sciences und 1994 der American Association for the Advancement of Science. 1965 erhielt er den Alfred Noble Prize, 1981 den David Sarnoff Award der IEEE und 1994 deren Quantum Electronics Award. 1985 erhielt er den Charles H. Townes Award der Optical Society of America (OSA) und 1999 deren Frederic Ives Medal, 2002 den Arthur-L.-Schawlow-Preis für Laserphysik und 2007 den Harvey-Preis. 2013 wurde er zum Ehrenmitglied der OSA ernannt, für 2020 wurde ihm der Willis-E.-Lamb-Preis zugesprochen. (de) Stephen Ernest Harris (born November 29, 1936) is an American physicist known for his contributions to electromagnetically induced transparency (EIT), modulation of single photons, and x-ray emission. In a diverse career, he has collaborated with others to produce results in many areas, including the 1999 paper titled “Light speed reduction to 17 metres per second in an ultracold gas,” in which Lene Hau and Harris, Cyrus Behroozi and Zachary Dutton describe how they used EIT to slow optical pulses to the speed of a bicycle. He has also contributed to developments in the use of the laser, generating paired photons with single driving lasers He has also shown the development of such pairs of photons using waveforms His more recent work has sought to address restraints imposed on the types of waveforms that can be produced by the single-cycle barrier Harris and colleagues succeeded in this endeavour in 2005 during a series of experiments aimed at obtaining full control of waveforms, noting "we were able to vary the shape of the pulse to generate different prescribed waveforms." It is hoped that these results will lead to coherent control of chemical reactions, as a probe for ever-shorter physical processes, and for highly efficient generation of far infra-red and vacuum ultra-violet radiation. Harris was elected as a member into the National Academy of Engineering in 1977 for contributions in the field of coherent and non-linear optics. (en) Стивен Харрис (англ. Stephen Ernest Harris; род. 29 ноября 1936, Нью-Йорк, США) — американский учёный-физик. Труды в основном посвящены нелинейной оптике и лазерной физике. (ru) Stephen Ernest Harris, född 29 november 1936 i Brooklyn, New York, är en amerikansk fysiker som är känd för sina bidrag till (EIT), modulering av enstaka fotoner, och röntgenemission. I en skiftande karriär har han samarbetat med andra för att åstadkomma resultat på många områden, bland annat en artikel från 1999 med titeln "Light speed reduction to 17 metres per second in an ultracold atomic gas" där Lene Hau och Harris tillsammans med och beskriver hur de använde EIT för att bromsa ned optiska pulser till en cykels hastighet. Han har också bidragit till att utveckla laserns användning, och genererat fotonpar med en enda aktiv laser Han har också påvisat utvecklingen av sådana fotonpar med hjälp vågformer. Hans senare arbeten har varit att komma åt de begränsningar som finns att skapa vågformer som är kortare än en vågcykel. Harris och kollegor lyckades med denna utmaning genom att utföra en serie experiment som syftade på att få full kontroll över vågformer. De noterade: "vi kunde variera formen på puls för att generera olika föreskrivna vågformer." Förhoppningen är att dessa resultat kommer att leda till enhetlig styrning av kemiska reaktioner, ett sätt att mäta allt kortare fysikaliska processer, samt för högeffektiv generering av långvågig infraröd och av kortvågig ultraviolett strålning. (sv) |
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| rdfs:comment | ستيفن إي. هاريس (29 نوفمبر 1936) فيزيائي أمريكي معروف بمساهماته في (بالإنجليزية: electromagnetically induced transparency)، وتعدل من الفوتونات المنفردة، وانبعاث الأشعة السينية. (ar) Стивен Харрис (англ. Stephen Ernest Harris; род. 29 ноября 1936, Нью-Йорк, США) — американский учёный-физик. Труды в основном посвящены нелинейной оптике и лазерной физике. (ru) Stephen Ernest Harris (* 29. November 1936 in Brooklyn) ist ein US-amerikanischer Physiker und Elektroingenieur, bekannt für Beiträge zur Laserphysik und nichtlinearen Optik. Harris studierte Elektrotechnik am Rensselaer Polytechnic Institute (Bachelor 1959) und an der Stanford University, wo er 1961 seinen Master-Abschluss machte und 1963 bei Anthony E. Siegman promoviert wurde (Demodulation of frequency-modulated light). Noch während des Studiums war er 1959/60 Mitglied der Bell Laboratories und 1961 bis 1963 bei . 1963 wurde er Assistant Professor, 1967 Associate Professor und 1971 Professor für Elektrotechnik an der Stanford University. Seit 1979 ist er außerdem Professor für Angewandte Physik (Kenneth and Barbara Oshman Professor). 1983 bis 1991 war er als Nachfolger von Siegman Direk (de) Stephen Ernest Harris (born November 29, 1936) is an American physicist known for his contributions to electromagnetically induced transparency (EIT), modulation of single photons, and x-ray emission. In a diverse career, he has collaborated with others to produce results in many areas, including the 1999 paper titled “Light speed reduction to 17 metres per second in an ultracold gas,” in which Lene Hau and Harris, Cyrus Behroozi and Zachary Dutton describe how they used EIT to slow optical pulses to the speed of a bicycle. He has also contributed to developments in the use of the laser, generating paired photons with single driving lasers He has also shown the development of such pairs of photons using waveforms (en) Stephen Ernest Harris, född 29 november 1936 i Brooklyn, New York, är en amerikansk fysiker som är känd för sina bidrag till (EIT), modulering av enstaka fotoner, och röntgenemission. I en skiftande karriär har han samarbetat med andra för att åstadkomma resultat på många områden, bland annat en artikel från 1999 med titeln "Light speed reduction to 17 metres per second in an ultracold atomic gas" där Lene Hau och Harris tillsammans med och beskriver hur de använde EIT för att bromsa ned optiska pulser till en cykels hastighet. Han har också bidragit till att utveckla laserns användning, och genererat fotonpar med en enda aktiv laser Han har också påvisat utvecklingen av sådana fotonpar med hjälp vågformer. Hans senare arbeten har varit att komma åt de begränsningar som finns att sk (sv) |
| rdfs:label | ستيفن إي. هاريس (ar) Stephen E. Harris (de) Stephen E. Harris (en) Харрис, Стивен Эрнест (ru) Stephen E. Harris (sv) |
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