Patent ID: 11964429
Assignee: SEURAT TECHNOLOGIES, INC.
Field: Machine tools (Mechanical engineering)
Classification: CPC B  G  H  Y | IPC B  G  H

Claim 0:
1. A method, comprising the steps of:
multiplexing, by a first optical assembly, multiple beams of light including at least one or more beams of light from one or more light sources;
reshaping and blending, by an optical device, the multiple beams of light to provide a first beam of light;
applying, by a spatial polarization valve, a spatial polarization pattern on the first beam of light to provide a second beam of light;
splitting, by a polarizer, polarization states of the second beam of light to reflect a third beam of light that is a portion of the second beam of light;
reshaping, by a second optical assembly, the third beam of light into a fourth beam of light that is to be recycled into one of the multiple beams of light that are multiplexed; and
introducing, by the second optical assembly, the fourth beam of light to the first optical assembly as one of the multiple beams of light to result in a fifth beam of light that is emitted through and not reflected by the polarizer to fuse powder material; and
directing the fifth beam of light to a powder bed that includes the powder material to be fused.