Photographs of crystal sample: (a) the (010) plane is parallel to the paper plane; (b) the (010) plane is perpendicular to the paper plane. The (010) plane is the nature cleavage plane and without polishing.
Polarized absorption spectra of crystal measured at room temperature.
Fluorescence spectra of crystal: (a) room temperature polarized spectra, the inset shows the energy level diagram in BGM crystal; (b) 10 K unpolarized spectra.
Barycenter plot of several -doped materials. The position of fits well with the theoretical line.
Comparison of the polarized absorption and emission cross sections calculated by the reciprocity and FL methods of the crystal.
The polarized gain curve of crystal (, 0.3, 0.5, and 0.8). The inset shows the minimum inversion population for polarization as a function of wavelength.
Output power vs absorbed pump power for the diode pumped laser.
Free-running emission spectrum of laser with the 1.5% output coupler when the output power is 0.86 W.
Measured fluorescence lifetimes of bulk and powder samples with different weight concentrations.
Spectral and laser parameters of and other laser crystals.
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