Abstract
Hydrogen molecules are excited by two 193 nm-photons [X1∑ +g →E,F1∑ +g ;Q02(1)] generated with a commerical oscillator-amplifier ArF laser. Stimulated emission is subsequently observed in the IR (λ=752.4 nm to 836.6 nm;E, F→B) and in the VUV (λ=134.0 nm to 160.9 nm;B→X) with a VUV conversion efficiency of ∼0.2%. The rotational fine-structure, the saturation behaviour, pump depletion as well as SRS-onset on and off two-photon resonance are investigated.
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Czarnetzki, U., Döbele, H.F. & Rückle, B. Stimulated IR- and vacuum-UV emission following two-photon-excitation of molecular hydrogen using an ArF laser. Appl. Phys. B 48, 37–40 (1989). https://doi.org/10.1007/BF00694415
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DOI: https://doi.org/10.1007/BF00694415