Revisiting the experimental dielectric function datasets of gold in accordance with the Brendel-Bormann model

IF 1.2 4区 物理与天体物理 Q4 OPTICS Journal of Modern Optics Pub Date : 2023-02-23 DOI:10.1080/09500340.2023.2219781
F. Firouzi, S. Sadrnezhaad
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Abstract

As a result of adopting various sample preparation techniques and optical measurement strategies, there are different experimental datasets available for presenting the complex dielectric function of gold. Therefore, evaluating them and selecting the most reliable ones seem essential for the corresponding optical-based designs and applications. The Brendel-Bormann model, one of the most accurate theoretical models for rendering the complex dielectric function of materials, is considered an appropriate criterion for this purpose. Despite the model's computational complexity, MS Excel has been employed as a fast and accessible tool for calculating the model. According to the results, ‘Palik' and ‘Babar' exhibit the most accurate datasets representing the real part of the dielectric function of gold in the short- (<500 nm) and long-wavelength (>500 nm) ranges, respectively. While the proposition reverses for the imaginary part of the dielectric function. This validity owes to using gold samples with the lowest structural and surface imperfections.
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根据Brendel Bormann模型修正金的实验介电函数数据集
由于采用了各种样品制备技术和光学测量策略,有不同的实验数据集可用于呈现金的复杂介电函数。因此,对它们进行评估并选择最可靠的似乎对相应的基于光学的设计和应用至关重要。布伦德尔-博尔曼模型是绘制材料复介电函数最准确的理论模型之一,被认为是实现这一目的的合适标准。尽管该模型的计算复杂,但MS Excel已被用作计算该模型的快速且可访问的工具。根据结果,“Palik”和“Babar”展示了最准确的数据集,代表了短时间内金介电函数的真实部分-(500 nm)范围。而对于介电函数的虚部,这个命题是相反的。这种有效性归功于使用具有最低结构和表面缺陷的金样品。
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来源期刊
Journal of Modern Optics
Journal of Modern Optics 物理-光学
CiteScore
2.90
自引率
0.00%
发文量
90
审稿时长
2.6 months
期刊介绍: The journal (under its former title Optica Acta) was founded in 1953 - some years before the advent of the laser - as an international journal of optics. Since then optical research has changed greatly; fresh areas of inquiry have been explored, different techniques have been employed and the range of application has greatly increased. The journal has continued to reflect these advances as part of its steadily widening scope. Journal of Modern Optics aims to publish original and timely contributions to optical knowledge from educational institutions, government establishments and industrial R&D groups world-wide. The whole field of classical and quantum optics is covered. Papers may deal with the applications of fundamentals of modern optics, considering both experimental and theoretical aspects of contemporary research. In addition to regular papers, there are topical and tutorial reviews, and special issues on highlighted areas. All manuscript submissions are subject to initial appraisal by the Editor, and, if found suitable for further consideration, to peer review by independent, anonymous expert referees. General topics covered include: • Optical and photonic materials (inc. metamaterials) • Plasmonics and nanophotonics • Quantum optics (inc. quantum information) • Optical instrumentation and technology (inc. detectors, metrology, sensors, lasers) • Coherence, propagation, polarization and manipulation (classical optics) • Scattering and holography (diffractive optics) • Optical fibres and optical communications (inc. integrated optics, amplifiers) • Vision science and applications • Medical and biomedical optics • Nonlinear and ultrafast optics (inc. harmonic generation, multiphoton spectroscopy) • Imaging and Image processing
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