&lt;title&gt;Three-dimensional microscopic modifications in glasses by a femtosecond laser&lt;/title&gt;

Miura, Kiyotaka; Qiu, Jianrong; Mitsuyu, Tsuneo; Hirao, Kazuyuki

doi:10.1117/12.352678

Cited by 15 publications

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“…Ultrafast laser has the ability to transfer a massive amount of photon energy (with a peak power on the order of ~ 10 14 W/cm 2 ) in a small fraction of the time. [53] In other words, the photon energy could be deposited in the lattice much faster while the material is exposed to the femtosecond pulses compared to the energy transformation with electrons through phonon emission. This is especially beneficial in TPR in which thermal diffusion effect can impose a negative impact on the fabrication resolution.…”

Section: Two-photon Photoreduction Processmentioning

confidence: 99%

“…Therefore, the photon density in the focal region is higher leading to a lower threshold therefore improved fabrication resolution. [53] On the other hand, the pulse width determines the temporal distribution of the energy. Since the spatial distribution of the focal spot is proportional to the temporal distribution owing to the inclusion of more spectral components, [55,64] a shorter pulse can lead to a higher resolution focal spot, which can eventually reduce the fabrication feature size.…”

Section: Two-photon Photoreduction Processmentioning

confidence: 99%

“…Normally a lower repetition rate results in less thermal diffusion effect, which in turn benefits the 2PR fabrication resolution. [53]…”

Section: Two-photon Photoreduction Processmentioning

confidence: 99%

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Two-photon reduction: a cost-effective method for fabrication of functional metallic nanostructures

Tabrizi

Lin

Jia

2017

Sci. China Phys. Mech. Astron.

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Metallic nanostructures have underpinned plasmonic-based advanced photonic devices in a broad range of research fields over the last decade including physics, engineering, material science and bioscience. The key to realizing functional plasmonic resonances that can manipulate light at the optical frequencies relies on the creation of conductive metallic structures at the nanoscale with low structural defects. Currently, most plasmonic nanostructures are fabricated either by electron beam lithography (EBL) or focused ion beam (FIB) milling, which are expensive, complicated and time-consuming. In comparison, the direct laser writing (DLW) technique has demonstrated its high spatial resolution and costeffectiveness in three-dimensional fabrication of micro/nanostructures. Furthermore, the recent breakthroughs in superresolution nanofabrication and parallel writing have significantly advanced the fabrication resolution and throughput of the DLW method and made it one of the promising future nanofabrication technologies with low-cost and scalability. In this review, we provide a comprehensive summary of the state-of-the-art DLW fabrication technology for nanometer scale metallic structures. The fabrication mechanisms, different material choices, fabrication capability, including resolution, conductivity and structure surface smoothness, as well as the characterization methods and achievable devices for different applications are presented. In particular, the development trends of the field and the perspectives for future opportunities and challenges are provided at the end of the review.It has been demonstrated that the quality of the metallic structures fabricated using the DLW method is excellent compared with other methods providing a new and enabling platform for functional nanophotonic device fabrication.

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Section: Two-photon Photoreduction Processmentioning

confidence: 99%

Section: Two-photon Photoreduction Processmentioning

confidence: 99%

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Two-photon reduction: a cost-effective method for fabrication of functional metallic nanostructures

Tabrizi

Lin

Jia

2017

Sci. China Phys. Mech. Astron.

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“…Recently the advantages of ultrashort laser pulses (USLP) are being exploited to induce small volume changes inside glasses [1][2][3][4][5]. In most cases, the modifications are related to density changes in the glass matrix.…”

Section: Introductionmentioning

confidence: 99%

Bleaching and Darkening Effect in Photochromic Glasses under Irradiation with Femtosecond Laser Pulses

Jamshidi‐Ghaleh

2009

Acta Phys. Pol. A

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In this paper, the photochromic oxide glass sample under interaction of 200 fs laser pulses at 800 nm wavelength is studied. Two types of laser-induced modifications, bleaching and darkening, are observed. The induced darkening is observed inside the bleached volume. The effect of incident laser shot number and pulse energy on the bleached and darkened area are investigated. The pulse energy accumulation model is applied to investigation of both bleached and darkened area sizes. The bleaching and darkening modification fluence threshold are determined for single and multi-shot laser pulses.

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Expression of optical function by nanostructure using femtosecond laser processing

Hirao¹

2012

Nanoparticle Technology Handbook

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<title>Three-dimensional microscopic modifications in glasses by a femtosecond laser</title>

Cited by 15 publications

References 0 publications

Two-photon reduction: a cost-effective method for fabrication of functional metallic nanostructures

Two-photon reduction: a cost-effective method for fabrication of functional metallic nanostructures

Bleaching and Darkening Effect in Photochromic Glasses under Irradiation with Femtosecond Laser Pulses

Expression of optical function by nanostructure using femtosecond laser processing

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