Polarization properties of coherent VUV light at 125 nm generated by sum-frequency four-wave mixing in mercury

The polarization of the VUV light generated by four-wave sum-frequency mixing process *w4=2*w1+*w2 in mercury vapor at room temperature is analyzed in detail. Due to the specific two-photon transition used to enhance the nonlinear process, the polarization of the VUV wave is shown to be identical to...

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Published inApplied physics. B, Lasers and optics Vol. 70; no. 4; pp. 499 - 503
Main Authors Museur, L., Olivero, C., Riedel, D., Castex, M.C.
Format Journal Article
LanguageEnglish
Published Springer Verlag 01.04.2000
Subjects
Circular polarization
Coherence
Four-wave mixing
Lasers
Mercury
Mercury vapor
Nonlinearity
Optics
Physics
Polarization
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Summary:The polarization of the VUV light generated by four-wave sum-frequency mixing process *w4=2*w1+*w2 in mercury vapor at room temperature is analyzed in detail. Due to the specific two-photon transition used to enhance the nonlinear process, the polarization of the VUV wave is shown to be identical to the polarization of the wave at the frequency *w2. In particular, circularly polarized VUV is observed with degree of circular polarization exceeding 0.99.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0946-2171
1432-0649
DOI:10.1007/s003400050852