Laporta P, Taccheo S, Longhi S, Svelto O, Sacchi G
Opt Lett. 1993 Aug 1;18(15):1232-4. doi: 10.1364/ol.18.001232.
A single-frequency, diode-pumped, Er-Yb:glass microchip laser at a 1530-nm wavelength has been designed and operated. An output power of greater than 25 mW, a linewidth narrower than 1 kHz, and a slope efficiency of 22% have been obtained.
