带有光学捕获散射粒子的掺染增益介质的随机激光发射

IF 2.8 3区 材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY Optical Materials Express Pub Date : 2024-03-05 DOI:10.1364/ome.510961
Takashi Okamoto, Naomichi Yokoi, and Takashi Kaku
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引用次数: 0

摘要

本研究采用光学捕获技术来操纵随机激光介质中的散射体分布。通过将捕获光束聚焦到三维散射介质中的小区域,周围的散射粒子就会集中到这些区域,从而形成不均匀的散射体分布。实验结果表明,光学捕集增加了发射光谱中的最大尖峰强度。此外,光谱尖峰强度取决于陷阱光斑的功率。发射光谱中的最大尖峰强度和平均尖峰强度之间的关系显示了在其他具有不均匀散射体分布的随机激光器中观察到的特征。
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Random laser emission from dye-doped gain media with optically trapped scattering particles
In this study, an optical trapping technique is employed to manipulate the scatterer distribution within a random laser medium. By focusing the trapping beams into small regions within the three-dimensional scattering medium, the scattering particles around them are concentrated in those regions, resulting in an inhomogeneous scatterer distribution. The experimental results show that optical trapping increases the maximum spike intensity in the emission spectrum. Furthermore, the spectral spike intensity depends on the power of the trap spots. The relationship between the maximum and average spike intensities in the emission spectra exhibits a characteristic observed in other random lasers with inhomogeneous scatterer distributions.
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来源期刊
Optical Materials Express
Optical Materials Express MATERIALS SCIENCE, MULTIDISCIPLINARY-OPTICS
CiteScore
5.50
自引率
3.60%
发文量
377
审稿时长
1.5 months
期刊介绍: The Optical Society (OSA) publishes high-quality, peer-reviewed articles in its portfolio of journals, which serve the full breadth of the optics and photonics community. Optical Materials Express (OMEx), OSA''s open-access, rapid-review journal, primarily emphasizes advances in both conventional and novel optical materials, their properties, theory and modeling, synthesis and fabrication approaches for optics and photonics; how such materials contribute to novel optical behavior; and how they enable new or improved optical devices. The journal covers a full range of topics, including, but not limited to: Artificially engineered optical structures Biomaterials Optical detector materials Optical storage media Materials for integrated optics Nonlinear optical materials Laser materials Metamaterials Nanomaterials Organics and polymers Soft materials IR materials Materials for fiber optics Hybrid technologies Materials for quantum photonics Optical Materials Express considers original research articles, feature issue contributions, invited reviews, and comments on published articles. The Journal also publishes occasional short, timely opinion articles from experts and thought-leaders in the field on current or emerging topic areas that are generating significant interest.
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