- Conference date: 1-4 November 1987
- Location: Atlantic City, NJ, USA
Reflectivity measurements using a dual spectral‐line (DSL) pump having variable spectral‐line separations and two different geometrically‐constrained SBS medium lengths are summarized. Good empirical agreement between the experimental data and a transient solution for SBS gain is obtained provided that the interaction length for SBS is chosen to be the shorter of either the dual spectral‐line beat length or the geometrically‐constrained effective medium length. Such an analysis of the data appears to remain valid even for dual spectral‐line separations large enough to violate the slowly‐varying envelope approximation. The correctness of choosing the beat length of the dual spectral‐line source as an effective pump coherence length for this analysis is discussed.
- Stimulated Brillouin scattering
- Spectrum analysis
- Data analysis
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