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Provides information on a study that observed a fine structure in the parallel pumping spin wave instability absorption on a narrow linewidth in-plane magnetized yttrium iron garnet thin film. Experimental procedure; Results and discussion on the study.

Provides information on a study that examined subsidiary absorption butterfly curves for single crystal yttrium iron garnet films with the static magnetic field and saturation magnetization perpendicular to the film plane. Methodology of the study; Results and discussion on the study.

Examines butterfly curves and critical modes for second-order spin-wave instability processes in yttrium iron garnet films. Experimental details; Use of combined Brillouin light-scattering (BLS) and microwave pumping techniques to measure the second-order spin-wave instability; Application of BLS to resonance saturation; Results of the study.

Presents an abstract of the study 'Brillouin light scattering study of spin wave instability magnon distributions in yttrium iron garnet thin films,' by P. Kabos, G. Wiese and C.E. Patton, published in the 'Journal of Applied Physics.'