Comparative Analysis of Laser Focusing Modes Applicable to Water Jet Guided Laser

被引：1

作者：

Liang En ^{[1
]}

Huang Yuxing ^{[1
]}

Jiao Hui ^{[1
]}

Zhang Guanghui ^{[1
]}

Zhou Liao ^{[1
]}

Huang Ping ^{[1
]}

Chang Chaozheng ^{[1
]}

Long Yuhong ^{[1
]}

机构：

[1] Guilin Univ Elect Technol, Sichool Elect & Mech Engn, Guilin 541004, Guangxi, Peoples R China

来源：

LASER & OPTOELECTRONICS PROGRESS | 2021年 / 58卷 / 17期

关键词：

optical design; water jet guided laser; beam focusing; ABCD matrix; optical simulation;

D O I：

10.3788/LOP202158.1722002

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In water jet guided laser processing technology, high-quality beams play a key role in coupling efficiency. In order to solve the problem of water-optical coupling technology, the water jet guided laser processing technology can be better used in high-precision and low-damage processing of materials with high melting point and high hardness and brittleness, and the self-focusing-ball lens combination focusing mode and positive-negative axicons focusing mode are compared and analyzed with the traditional convex lens focusing mode. According to the three applicable focusing modes, the corresponding ABCD transmission matrix is derived, the beam characteristics under the focusing mode are simulated, and the characteristics of industrial applications under different focusing modes are discussed. The simulation results show that the beam waist radius of the combined positive-negative axicon lens is the smallest, the divergence angle of the beam after the traditional convex lens focusing mode is the smallest, and the three modes have different structures, and they all have their own advantages and disadvantages.

引用

页数：9

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