Beam shaping structure based on multiple stacks

Abstract

The invention provides a beam shaping structure based on multiple stacks. The structure comprises a number of horizontally-spaced multi-stack structures. Each multi-stack structure comprises at leastn semiconductor laser stacks which are displaced in the vertical direction, wherein n is greater than and equal to 2. Each semiconductor laser stack comprises a number of laser bars arranged along theslow axis direction. The structure further comprises a self-polarizing beam combining prism which is arranged on the output optical path of each multi-stack structure and used to carry out polarizingand beam combining on beams output by the semiconductor laser stacks to acquire a primary output beam. The spot width of the primary output beam in the slow axis direction is reduced to half of the width of the output beams of the semiconductor laser stacks. The structure further comprises a shaping lens group which achieves beam rearrangement in the fast axis direction. According to the beam shaping structure, the mass of beams in the slow axis direction is reduced as much as half, and the mass of beams in the fast axis direction is unchanged. Compared with traditional methods, the beam shaping structure has the advantages of simple design, compact structure, convenient adjustment and low cost.

Description

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AI Technical Summary

Benefits of technology

This technology allows for improved performance at high speeds without sacrificing accuracy or resolution due to its ability to combine two types of polarization into single wave packets called pump signals. By reducing the size of each layer within this system, we aim to improve efficiency while maintaining good optical properties over longer periods of time compared to previous methods like adding layers between them.

Problems solved by technology

This patents describes how improvements are made on semiconducer lasers by optimally design them with specific features like improved light output or reduced cost per unit power consumption. Additionally, they suggest ways to improve their performance without adding complicated equipment during manufacturing process.

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