Wavelength selectable fiber laser system

A fiber laser system connectable to a plurality of sources of pump radiation comprising:

• a plurality of fiber lasers, each capable of lasing at a respective one of a plurality of discrete emission wavelengths when pumped by the pump radiation;
• and
• an optical coupler having a plurality of optical input ports connectable to respective ones of the plurality of sources of pump radiation, combining light received on the plurality of input ports, and having a plurality of optical output ports connected to respective ones of the plurality of fiber lasers.

A fiber laser system connectable to a light source providing optical pump radiation to the system comprising:

• a first optical switch having a plurality of first optical output ports and a first optical input port connectable to the light source and selectively connected to any one of the first optical input ports, and
• a plurality of fiber lasers connected to respective ones of the first optical output ports, and each being capable of lasing at a respective one of a plurality of discrete emission wavelengths when pumped by the optical pump radiation, whereby lasing light is emittable from a selected one of the fiber lasers.

A fiber laser system comprising:

• a light source emitting radiation at a pump wavelength;
• and
• a plurality of fiber lasers connectable to the light source and each capable of lasing at a respective one of a plurality of different emission wavelengths when pumped by the radiation at the pump wavelength, whereby lasing light is emittable at a respective end of each optical fiber.