Research of free running emerald laser pumped by 670.7nm laser
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Graphical Abstract
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Abstract
Free running laser of hydrothermally grown emerald crystal Crdoped Be3Al2Si6O18 is reported.With the use of 670.7nm red laser by intracavity-doubling of Nd∶YAlO3/LBO 1.3414μm wavelength and symmetrical confocal resonator,732nm laser of emerald is produced with 46μW laser output when the incident power was 2.89W.The laser threshold value of emerald crystal is estimated between 0.5W and 0.6W.
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