线偏振飞秒激光束对微体积二氧化硅玻璃可控双折射的单脉冲直接激光写入

IF 1.1 4区物理与天体物理 Q3 PHYSICS, MULTIDISCIPLINARY

Physics of Wave Phenomena Pub Date : 2026-09-09 DOI:10.3103/S1541308X26700123

V. S. Tsarev, A. D. Pryamikov, G. K. Alagashev, A. G. Okhrimchuk

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引用次数: 0

摘要

本文从实验和理论两方面研究了平顶光强单次超短激光脉冲在硅玻璃中形成稳定双折射微修饰体素与聚焦数值孔径的关系。实验表明，当聚焦数值孔径大于0.5时，体素内会形成双折射，而孔径较小时，体素内不会形成双折射。双折射慢轴主要沿入射光的偏振方向运动，轴向的方位角色散随数值孔径的增大而减小。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Single-Pulse Direct Laser Writing of the Controlled Birefringence in Microvolume of Silica Glass by a Linearly Polarized Femtosecond Laser Beam

The formation of stable birefringent micromodifications (voxels) in silica glass by single ultrashort laser pulses with a flat-top intensity profile has been studied experimentally and theoretically as a function of the focusing numerical aperture. It is experimentally shown that birefringence is formed in a voxel if the focusing numerical aperture is higher than 0.5, while lower-aperture focusing gives rise to voxels without birefringence. The slow axis of birefringence is predominantly oriented along the polarization of the incident light, and the azimuthal dispersion of the axis direction decreases with increasing numerical aperture.

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来源期刊

Physics of Wave Phenomena PHYSICS, MULTIDISCIPLINARY-

CiteScore

2.50

自引率

21.40%

发文量

审稿时长

>12 weeks

期刊介绍： Physics of Wave Phenomena publishes original contributions in general and nonlinear wave theory, original experimental results in optics, acoustics and radiophysics. The fields of physics represented in this journal include nonlinear optics, acoustics, and radiophysics; nonlinear effects of any nature including nonlinear dynamics and chaos; phase transitions including light- and sound-induced; laser physics; optical and other spectroscopies; new instruments, methods, and measurements of wave and oscillatory processes; remote sensing of waves in natural media; wave interactions in biophysics, econophysics and other cross-disciplinary areas.