This standard specifies the measurement of the degree of depolarization of the linearly polarized light with a wavelength of 632.8nm passing through the Nd-doped YAG laser rod, which is degenerated into elliptically polarized light, and measures the extinction ratio of the rod based on this.
GB/T 11297.3-1989 history
2002GB/T 11297.3-2002 Test method for extinction ratio of Nd:YAG laser rods
1989GB/T 11297.3-1989 Test method for extinction ratio of Nd:YAG laser rods