Abstract
The spectroscopic characteristics of Nd-doped lithium germanate glass are compared to those of Nd-doped silicate glasses; the laser characteristics of Nd-doped lithium germanate glass are compared to the corresponding properties of Nd-doped glass and YAG samples. The spectroscopic properties of the Nd-doped lithium germanate glass are similar in many respects to the familiar Nd-doped glass materials. The Nd-doped lasers were end pumped using the 5145-Å output of pulsed argon ion lasers and oscillated at ∼1.06 μ at room temperature. This technique enables a precise determination of the pump energy required to reach the oscillation threshold. Threshold energy, output power, spiking, fluorescent conversion efficiency, laser rod losses, and stimulated emission cross sections at 1.06 μ are compared. Stimulated emission cross-section values of the Nd:lithium germanate glass obtained by two methods are presented.
Published Version
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