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Third-harmonic generation and ionisation processes in Kr

✍ Scribed by M.J. Proctor; J.A.D. Stockdale; T. Efthimiopoulos; C. Fotakis

Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
306 KB
Volume
137
Category
Article
ISSN
0009-2614

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✦ Synopsis

Third-harmonic generation and multiphoton ionisation were simultaneously monitored at several pressures in Kr gas following excitation by a strongly focused dye laser, tunable over the range 338 to 350 nm. The results indicate that the multiphoton ionisation signals due to the nf [ l/2] autoionising series of Kr and the III* band of IQ1 are strongly enhanced by the third-harmonic radiation in the vacuum ultraviolet.

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