Science, Volume 292John Michels (Journalist) American Association for the Advancement of Science, 2001 |
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Page 1855
... electron brightness was the principal limiting factor . The essential break- through was the development of laser- switched photocathode electron sources ( photoinjectors ) ( 32 , 33 ) to replace thermi- onic cathodes , improving the ...
... electron brightness was the principal limiting factor . The essential break- through was the development of laser- switched photocathode electron sources ( photoinjectors ) ( 32 , 33 ) to replace thermi- onic cathodes , improving the ...
Page 1856
... electron beam guides the radiation by two related mech- anisms known as gain and refractive guiding . Gain guiding is the preferential amplification in the region of the electron beam . Refractive guiding is radiation focusing due to ...
... electron beam guides the radiation by two related mech- anisms known as gain and refractive guiding . Gain guiding is the preferential amplification in the region of the electron beam . Refractive guiding is radiation focusing due to ...
Page 2037
... electron laser has been proposed for the generation of very high brightness coherent x - rays . This process involves passing a high - energy , high - charge , short - pulse , low - energy - spread , and low- emittance electron beam ...
... electron laser has been proposed for the generation of very high brightness coherent x - rays . This process involves passing a high - energy , high - charge , short - pulse , low - energy - spread , and low- emittance electron beam ...
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