GENERATION OF TUNABLE VUV LASER NEAR 125nm BY FOUR WAVE SUM MIXING IN Hg VAPOR | Zendy

Yuke Zhang | Zendy; ZHU BAO-QIANG | Zendy; ZOU YING-HUA | Zendy

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GENERATION OF TUNABLE VUV LASER NEAR 125nm BY FOUR WAVE SUM MIXING IN Hg VAPOR

Author(s) -

Yuke Zhang,

ZHU BAO-QIANG,

ZOU YING-HUA

Publication year - 1991

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.40.1448

Subject(s) - mixing (physics) , buffer gas , four wave mixing , laser , materials science , phase matching , range (aeronautics) , atomic physics , frequency mixing , resonance (particle physics) , optics , signal (programming language) , laser beams , sum frequency generation , beam (structure) , physics , nonlinear optics , quantum mechanics , computer science , composite material , programming language

Tunable VUV laser (ω4=2ω1+ω3) in the range of 124.80-125.06nm is gene-rated by four-wave sum mixing in Hg vapor with Ar as buffer gas, when one of the pump beams (ω1) is tuned exactly to 61S0—71S0 two-photon resonance and another pump beam (ω3) on the blue side of 71S0—91P1 transition. The experimental results are analysed with the small signal four-wave sum mixing theory. The factors affecting the best phase matching condition and the methods to expand the tunable range of VUV output in the weak pump case are discussed.

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