Attenuation of the intensities of spectral components of a multiwavelength pulsed laser system by means of the Bragg diffraction of radiation by several acoustic waves

IF 0.9 4区 工程技术 Q3 Engineering Quantum Electronics Pub Date : 2022-05-01 DOI:10.1070/qel18042
A. Machikhin, M. Sharikova, A. Lyashenko, A. Kozlov, V. Pozhar, V. Lomonov, E. Stoĭkova
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引用次数: 3

Abstract

A method for controlling precisely the intensities of several spectral components of radiation generated by a multiwavelength laser system is described. The method is based on the use of simultaneous Bragg diffraction by a set of acoustic waves of corresponding frequencies and adjustment of their amplitudes. The efficiency of the proposed method is demonstrated by the example of a multiwavelength system based on a pulsed Nd:YAG laser (1064 nm) with intracavity parametric generation of a signal wave (1572 nm) and extracavity light conversion into higher harmonics and sum frequencies. An independent control of intensity ratio for four spectral components in the visible range (452, 532, 635, and 786 nm) is obtained by precisely controlled attenuation of acoustic-wave amplitudes using an original 4-channel acousto-optical polychromator.
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用几种声波辐射的布拉格衍射法对多波长脉冲激光系统光谱成分强度的衰减
本文描述了一种精确控制由多波长激光系统产生的辐射的几个光谱成分强度的方法。该方法基于一组相应频率的声波同时使用布拉格衍射并调节其振幅。基于脉冲Nd:YAG激光器(1064 nm)的多波长系统的实例证明了该方法的有效性,该系统在腔内参数产生信号波(1572 nm)并将腔外光转换为高次谐波和和频率。通过使用原始的4通道声光多色器精确控制声波振幅的衰减,可以独立控制可见范围(452,532,635和786 nm)内四个光谱成分的强度比。
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来源期刊
Quantum Electronics
Quantum Electronics 工程技术-工程:电子与电气
CiteScore
3.00
自引率
11.10%
发文量
95
审稿时长
3-6 weeks
期刊介绍: Quantum Electronics covers the following principal headings Letters Lasers Active Media Interaction of Laser Radiation with Matter Laser Plasma Nonlinear Optical Phenomena Nanotechnologies Quantum Electronic Devices Optical Processing of Information Fiber and Integrated Optics Laser Applications in Technology and Metrology, Biology and Medicine.
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