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Spectral dependence of the absorption and emission cross sections corresponding to ions in the SBN crystal. Also included is the laser spectrum of a Yb:SBN crystal.
Output laser power as a function of the absorbed pump power obtained from a Yb:SBN crystal. Solid and open circles correspond to increasing and decreasing pump powers, respectively.
(a) Lateral picture of the Yb:SBN crystal in presence of laser oscillation at . The diffuse visible radiation is clearly observed. In this picture, we have schematically drawn the cavity configuration. (b) Optical micropicture of the Yb:SBN crystal after chemical etching. The relative orientations of optical axis and infrared and diffuse visible radiations have been indicated.
Intensity of the diffuse second harmonic radiation as a function of the absorbed pump power. Solid and open circles correspond to increasing and decreasing pump powers, respectively.
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