Er:YAP and Er:YAG lasers generating at wavelength 1623nm and 1648nm resonantly pumped by 1535nm Er:glass laser radiation has been demonstrated. For Er:YAG laser, three crystals with different length and Er/Y concentration were used.
Er:YAP and Er:YAG lasers generating at wavelength 1623nm and 1648nm resonantly pumped by 1535nm Er:glass laser radiation has been demonstrated. For Er:YAG laser, three crystals with different length and Er/Y concentration were used. (en)