Optical fiber combining-coupled ultraviolet laser ablation system and optical fiber combining assembly for an ultraviolet laser ablation system

An optical fiber combining-coupled ultraviolet laser ablation system, comprising:

• a laser, a light homogenizing assembly, and an optical fiber combining assembly,
• wherein:
• the laser is configured to emit laser light;
• the light homogenizing assembly is disposed on the emergent light path of the laser light;
• the optical fiber combining assembly is disposed on the emergent light path of the light homogenizing assembly;
• the light homogenizing assembly is configured to perform beam flat-top shaping and beam superposition on the laser light;
• the optical fiber combining assembly comprises a single large-core optical fiber and a plurality of small-core optical fibers, and the optical fiber combining assembly is configured to transmit laser energy from the single large-core optical fiber to the plurality of small-core optical fibers;
• and
• the core diameter of the single large-core optical fiber is greater than each of the plurality of small-core optical fibers.

An optical fiber combining assembly for an ultraviolet laser ablation system, comprising:

• a
• first optical fiber and a plurality of second optical fibers, wherein:
• the optical fiber combining assembly is configured to transmit laser energy in the single first optical fiber to the plurality of second optical fibers;
• and
• the core diameter of the first optical fiber is larger than that of the second optical fiber.