1973
DOI: 10.1063/1.1654647
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Generation of 1182-Å radiation in phase-matched mixtures of inert gases

Abstract: Coherent radiation at 1182 Å is obtained by third-harmonic generation in a phase-matched mixture of Xe and Ar. For generation from 3547 to 1182 Å, Xe is negatively dispersive, and phase matching is obtained at a ratio of Xe:Ar=1:430. A conversion efficiency of 2.8% is obtained at an input power of 13 MW. As predicted by theory the conversion efficiency increases linearly to the limit of our available input power.

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Cited by 190 publications
(55 citation statements)
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“…50 VUV light of wavelength 118.2 nm (hereafter referred to as 118 nm) was produced by tripling the 354.7 nm (hereafter referred to as 355 nm) third harmonic of a Nd:YAG laser (Continuum Surelite I, ~10-20 mJ per 5 ns pulse) in a phasematched Xe/Ar gas mixture. [36][37][38][39] The 355 nm laser beam was 55 tightly focused into a gas cell containing a mixture of Xe (BOC, >99.9%) and Ar (BOC, >99.9%) in a ratio of 1:11. The 118 nm and residual 355 nm light were not separated before entering the imaging chamber, and in some of the experiments the latter was used to effect photolysis of the parent cation of interest.…”
Section: Methodsmentioning
confidence: 99%
“…50 VUV light of wavelength 118.2 nm (hereafter referred to as 118 nm) was produced by tripling the 354.7 nm (hereafter referred to as 355 nm) third harmonic of a Nd:YAG laser (Continuum Surelite I, ~10-20 mJ per 5 ns pulse) in a phasematched Xe/Ar gas mixture. [36][37][38][39] The 355 nm laser beam was 55 tightly focused into a gas cell containing a mixture of Xe (BOC, >99.9%) and Ar (BOC, >99.9%) in a ratio of 1:11. The 118 nm and residual 355 nm light were not separated before entering the imaging chamber, and in some of the experiments the latter was used to effect photolysis of the parent cation of interest.…”
Section: Methodsmentioning
confidence: 99%
“…Les densités de puissance des lasers focalisés dans un milieu gazeux, atteignent aisément des valeurs > 10'' w/cm2 entraînant une réponse non linéaire de celui-ci : P =x(1) El+ ~ ( 2 ) El.E2+ %(3) El.Ez.E3+ ... où les %(i) correspondent aux différents coefficients de susceptibilité électrique. Depuis la première publication [14] sur la production de rayonnement VUV à 118 nm ( -(2klf k2)). Ainsi, avec des milieux non linéaires modèles confinés en cellule tels que les gaz rares ou les vapeurs métalliques, la génération de rayonnement VUV cohérent (ns, ps et fs) peut être obtenue pratiquement à façon dans le domaine 6-1 1 eV.…”
Section: Ingenierie Du Photon Harmonique »unclassified
“…To create the 118 nm light, the third harmonic of a pulsed Nd:YAG laser at 355 nm is frequency tripled in a gas cell containing xenon and argon [40][41][42]. The 355 nm light is focused with a 500 mm focal length lens into the gas cell containing 24 torr of xenon mixed with argon at an Ar:Xe ratio of 10.3:1.…”
Section: Methodsmentioning
confidence: 99%