TITLE

Generation and amplification of ultraviolet light pulses by means of parametric four-wave interactions in transparent solid-state media

AUTHOR(S)
Darginavicčius, J.; Tamosşauskas, G.; Valiulis, G.; Dubietis, A.
PUB. DATE
April 2010
SOURCE
AIP Conference Proceedings;4/16/2010, Vol. 1228 Issue 1, p351
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We experimentally demonstrate efficient generation of the ultrashort ultraviolet light pulses by means of phase-matched four-wave optical parametric amplification and four-wave difference frequency mixing in wide bandgap solids with cubic nonlinearity. Broadband four-wave optical parametric amplification around 330 nm is achieved in optically isotropic fused silica and CaF2 crystals, suggesting amplification bandwidth of ∼20 nm that is able supporting ultraviolet light pulses as short as 7.5 fs (in the transform limit). Efficient generation of 3-rd (351 nm), 5-th (211 nm), and 6-th (176 nm) harmonics with 1-ps pulses of the Nd:glass laser is experimentally demonstrated through non-collinearly phase-matched four-wave difference-frequency mixing in fused silica, CaF2 and MgF2 crystals.
ACCESSION #
50174382

 

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