Transient pumping of a Ni-like Ag x-ray laser with a subpicosecond pump pulse in a traveling-wave irradiation geometry
Data(s) |
01/06/2000
|
---|---|
Resumo |
We report what is to our knowledge the first demonstration of a transient x-ray laser pumped by a 350-fs pulse in a traveling-wave irradiation geometry. For a 500-fs pump pulse the traveling-wave irradiation was found to have a strong effect on enhancing the Ni-like silver 4d-4p lasing emission at 13.9 nm. The signal enhancement was significantly less when the pulse duration was lengthened to 1.7 ps. The experimental observations are well reproduced by a simple model when the duration of gain is taken of the order of 15-20 ps. For the 500-fs pulse a gain coefficient of 14.5 cm(-1) was measured for plasma lengths up to 7 mm. Refraction of the amplified photons is believed to be the main cause of the limitation of the effective amplification length. (C) 2000 Optical Society of America. |
Identificador | |
Idioma(s) |
eng |
Direitos |
info:eu-repo/semantics/restrictedAccess |
Fonte |
Klisnick , A , Zeitoun , P , Ros , D , Carillon , A , Fourcade , P , Hubert , S , Jamelot , G , Lewis , C , Mac Phee , A G , O'Rourcke , R M N , Keenan , C , Nickles , P V , Janulewicz , K , Kalashnikov , M , Warwick , J , Chanteloup , J C , Migus , A , Salmon , E , Sauteret , C & Zou , J P 2000 , ' Transient pumping of a Ni-like Ag x-ray laser with a subpicosecond pump pulse in a traveling-wave irradiation geometry ' JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS , vol 17 , no. 6 , pp. 1093-1097 . |
Palavras-Chave | #/dk/atira/pure/subjectarea/asjc/3100/3107 #Atomic and Molecular Physics, and Optics |
Tipo |
article |