Abstract： In this paper, we describe the instrumentation and technique which are suitable for measuring first-Order instability threshold values of microwave field for both configurations of perpendicular and parallel pumping in magnetic order materials. The spin wave linewidth is derived from instability threshold values for parallel pumping. Experimental results are given for a sphere of yttrium iron garnet at room temperature and x-band. These results are in good agreement with those obtained by other researchers.
韩世莹. 自旋波线宽的测量. 物理学报, 1981, 30(6): 831.
Cite this article:
HAN SHI-YING. MEASUREMENT OF SPIN WAVE LINEWIDTH. Acta Phys. Sin., 1981, 30(6): 827-831.