The CYBEL MISTRAL is a line of thulium-doped fiber amplifiers de-signed for amplification of eye-safe light in the wavelength range 1920 to 2055nm. Our model MISTRAL-2051 has been specifically de-signed for operation around the important CO2 absorption near 2051nm. The amplifier can provide more than 1W of single transverse mode output power for a 1mW, single frequency input at 2051nm. The MISTRAL-2051 comes as either a standard or an all polarization