ESTIMATE OF EXPERIMENTAL YIELD FOR 2-PHOTON ABSORPTION IN HELIUM

Authors
RUBENS A DECASTRO B MOLLER T
Citation
A. Rubens et al., ESTIMATE OF EXPERIMENTAL YIELD FOR 2-PHOTON ABSORPTION IN HELIUM, Optics communications, 128(4-6), 1996, pp. 229-235
Citations number
22
Categorie Soggetti
Optics
Journal title
Optics communications → ACNP
ISSN journal
00304018
Volume
128
Issue
4-6
Year of publication
1996
Pages
229 - 235
Database
ISI
SICI code
0030-4018(1996)128:4-6<229:EOEYF2>2.0.ZU;2-I
Abstract
We discuss the two-photon absorption rate of helium excited with synch rotron light in the vacuum ultra-violet domain. A numerical estimate i s made, based on the measured third-harmonic generation rate. It is fo und that, for typical experimental conditions with synchrotron radiati on, the rate is very large for vacuum ultra-violet Free Electron Laser s currently under construction, but rather small for the existing undu lator sources.