Investigation of Optical Transmission in Thin Metal Films

Axelevitch, A.; Gorenstein, B.; Golan, G.

doi:10.1016/j.phpro.2012.03.510

Cited by 164 publications

(94 citation statements)

References 16 publications

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“…This is perhaps not surprising as with such little material in the film the surface properties would be very dependent on island thickness, shape, area, roughness and any environmental contamination. By comparing the data of Axelevitch et al [5] and Siegel et al [6] with our data the maximum thickness of gold in Figure 15a is in the range 7 to 20nm. This compares favourably with the prediction of 10nm from the expansion model [i.e.…”

Section: Witness Plate Analysessupporting

confidence: 64%

“…It is clear that the theoretical spectra in Figure 14 show different behavior from the experimental spectra in Figure 15. surface plasmon effects to influence the transmission spectra [5,6]. Studies of very thin gold films, for example by Axelevitch et al [5] and Siegel et al [6], showed considerable differences in the transmission of thin films as a function of average thickness and wavelength.…”

Section: Witness Plate Analysesmentioning

confidence: 99%

“…surface plasmon effects to influence the transmission spectra [5,6]. Studies of very thin gold films, for example by Axelevitch et al [5] and Siegel et al [6], showed considerable differences in the transmission of thin films as a function of average thickness and wavelength. This is perhaps not surprising as with such little material in the film the surface properties would be very dependent on island thickness, shape, area, roughness and any environmental contamination.…”

Section: Witness Plate Analysesmentioning

confidence: 99%

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Measurement of debris and shrapnel plumes from cylindrical metal targets used in high-power laser systems

Andrew

Wallace

2012

SPIE Proceedings

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All laser targets subjected to heating by focused energetic lasers for the study of high temperature plasmas produce shrapnel, debris or radiation directly or indirectly that impact and coat the optics, instruments and surfaces used in the vacuum chambers employed for such studies. We describe the spatial distributions of the target ejecta arising from various configurations of thin walled metal cylinder targets and their mechanical mounting systems that have been deployed on the Helen and ZBeamlet lasers. We also demonstrate how this data can be used to evaluate threats to optical surfaces and ancillary instruments in high energy, high power laser systems. The methods used for characterizing and quantifying material plumes will also be described.

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Section: Witness Plate Analysessupporting

confidence: 64%

Section: Witness Plate Analysesmentioning

confidence: 99%

Section: Witness Plate Analysesmentioning

confidence: 99%

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Measurement of debris and shrapnel plumes from cylindrical metal targets used in high-power laser systems

Andrew

Wallace

2012

SPIE Proceedings

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“…27 The absorption of the incident light directly relies on the structural property 28 and the thickness of the film. There are two aspects which participate in the absorbent process, including the intraband optical process and the interband optical process.…”

Section: K¼4pkamentioning

confidence: 99%

Characteristic of Nano-Cu Film Prepared by Energy Filtrating Magnetron Sputtering Technique and Its Optical Property

Wang

Yao

2015

Journal of Elec Materi

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At the optimized deposition parameters, Cu film was deposited by the direct current magnetron sputtering (DMS) technique and the energy filtrating magnetron sputtering (EFMS) technique. The nano-structure was charactered by x-ray diffraction. The surface morphology of the film was observed by atomic force microscopy. The optical properties of the film were measured by spectroscopic ellipsometry. The refractive index, extinction coefficient and the thickness of the film were obtained by the fitted spectroscopic ellipsometry data using the Drude-Lorentz oscillator optical model. Results suggested that a Cu film with different properties was fabricated by the EFMS technique. The film containing smaller particles is denser and the surface is smoother. The average transmission coefficient, the refractive index and the extinction coefficients are higher than those of the Cu film deposited by the DMS technique. The average transmission coefficient (400-800 nm) is more than three times higher. The refractive index and extinction coefficient (at 550 nm) are more than 36% and 14% higher, respectively.

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“…Thin metal films had previously drawn wide research interest in the context of quantum physics [16][17][18][19], and recent effort has been focused on the optical properties of ultrathin metal films with thickness of a few nanometers [20][21][22][23][24][25][26]. Besides the classical Drude model [27], several new theoretical methods have been proposed, such as the quantum size model [11,21] and density function theory [26].…”

Section: Introductionmentioning

confidence: 99%

Quantum Electrostatic Model for Optical Properties of Nanoscale Gold Films

et al. 2015

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Abstract:The optical properties of thin gold films with thickness varying from 2.5 nm to 30 nm are investigated. Due to the quantum size effect, the optical constants of the thin gold film deviate from the Drude model for bulk material as film thickness decreases, especially around 2.5 nm, where the electron energy level becomes discrete. A theory based on the self-consistent solution of the Schrödinger equation and the Poisson equation is proposed and its predictions agree well with experimental results.

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Investigation of Optical Transmission in Thin Metal Films

Cited by 164 publications

References 16 publications

Measurement of debris and shrapnel plumes from cylindrical metal targets used in high-power laser systems

Measurement of debris and shrapnel plumes from cylindrical metal targets used in high-power laser systems

Characteristic of Nano-Cu Film Prepared by Energy Filtrating Magnetron Sputtering Technique and Its Optical Property

Quantum Electrostatic Model for Optical Properties of Nanoscale Gold Films

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