Spectral Density of Spatial Noise of a Laser Beam Upon Reflection from a Non-Ideal Surface

被引：1

作者：

Khazanov, E. A. ^{[1
]}

Kochetkov, A. A. ^{[1
]}

Silin, D. E. ^{[1
]}

机构：

[1] Russian Acad Sci, AV Gaponov Grekhov Inst Appl Phys, Nizhnii Novgorod, Russia

来源：

RADIOPHYSICS AND QUANTUM ELECTRONICS | 2023年 / 66卷 / 5-6期

关键词：

POWER; DESIGN; QUARTZ;

D O I：

10.1007/s11141-024-10308-9

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：

We have studied the spectral properties of the inhomogeneities in the surface profile of a quartz plate in the spatial range from 10 mu m to 100 mm on the basis of precision interferometric measurements. Analytical integral relations connecting one- and two-dimensional spectral densities of an isotropic random function, such as surface profile or spatial phase distribution of the laser beam, were obtained. It is shown that if the one-dimensional spectral density in a certain range of spatial frequencies decreases in a power-law manner, then the two-dimensional spectral density in the same range also decreases in a power-law manner with an exponent greater by one. The experimental data are in good agreement with the theoretical ones.

引用

页码：469 / 478

页数：10

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