  We have developed a Watt-level single-frequency tunable fiber laser in the
915-937 nm spectral window. The laser is based on a neodymium-doped fiber
master oscillator power amplifier architecture, with two amplification stages
using a 20 mW extended cavity diode laser as seed. The system output power is
higher than 2 W from 921 to 933 nm, with a stability better than 1.4 percent
and a low relative intensity noise.
