The NL-2000-2MHz from NPI Lasers is a 2 µm narrow linewidth fiber laser with a spectral linewidth of 2 MHz. Operating from 1900 to 2100 nm, this highly stable laser source provides an output power of 100 mW while consuming up to 20 watts of power. It is available in a module that measures 369 x 260 x 104 mm and can be used in applications ranging from Mid-IR generation, spectroscopy, nonlinear optics, frequency conversion and LIDAR.