Abstract

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

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