Abstract

A diode-pumped tunable CW Nd3+:LGS laser at quasi-three-level has been demonstrated. The output power up to 403mW at the central wavelength of 904nm was obtained, corresponding to a slope efficiency of 29.7%. Taking advantage of the broad emission spectrum of the disordered crystal Nd:LGS, we tuned the laser wavelength within the spectral range of 899.8 to 906.6nm with an etalon inserted into the V-type cavity. To the best of our knowledge, it is the first time to obtain a tunable laser based on the F3/24-I9/24 transition of Nd3+-doped crystals.

© 2011 Optical Society of America

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