A hydrogen Raman shifter with variable focusing geometry
Abstract
We investigate the influence of focusing geometry, input power and hydrogen gas pressure on stimulated Raman scattering in H2. It is shown that a weakly focused beam increases the output power of the Stokes lines for all gas pressures. In comparison, a tightly focused beam increases the output powers of the higher-ordered anti-Stokes lines generated by four wave Raman mixing.
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Physics connects
26-28 October 2005, Central Philippine University, Iloilo City