This paper presents a study of rubberized concretes designed by replacing coarse aggregate in normal concrete with ground and crushed scrap tire rubber various volume ratios. The objective the was to investigate effect types content on strength deformation properties. compressive strength, static, dynamic modulus elasticity were tested studied. stress-strain hysteresis loops obtained loading, unloading, reloading specimens. Brittleness index values calculated based hysteretic loops....

In this paper, approaches for the realization of high-resolution periodic structures with gap sizes at sub-100 nm scale by two-photon polymerization (2PP) are presented. The impact laser intensity on feature and surface quality is investigated. influence different photosensitive materials structure formation compared. Based elliptical geometry character voxel, authors present an idea to realize less than 100 controlling focus position respect glass substrate. This investigation covers...

Abstract The advancement of micro- and nanostructuring techniques in optics is driven by the demand for continuous miniaturization high geometrical accuracy photonic devices integrated systems. Here, UV-LED projection photolithography demonstrated as a simple low-cost approach rapid generation two-dimensional optical nanostructures with resolution using standard only. developed system enables structure patterns onto substrate 1000-fold demagnification. Photonic devices, e.g., waveguides...

To develop low-power, miniature, nonvolatile memory resistor integrated devices for in-memory computing technologies, the exploration of atomic-scale ferroelectric channel semiconductor is necessary. We theoretically designed tunnel junction based on two-dimensional semiconductors, with metal TaSe2 used as top electrode and van der Waals bilayer boron arsenide (BAs) channel, aiming to achieve high-performance, resistors. Our findings demonstrate that BAs, upon contact electrodes, can two...

Abstract An easily fabricated gas sensor based on planar polymer optical waveguides with an integrated zeolite imidazole framework‐8 (ZIF‐8) thin film is presented for carbon dioxide detection and sensing. The are made of polymethylmethacrylate by hot embossing, which makes it flexible cost‐efficient. Thin ZIF‐8 films uniformly grown the surface through a simple solution method, crucial envisioned production metal organic framework‐based sensing devices large scale. Experimental results show...

The demand for miniaturization and integration of optical elements has fostered the development various micro-and nanofabrication technologies.In this work, we developed a low-cost UV-LED-based microscope projection photolithography system rapid highresolution fabrication.This can be easily implemented using off-the-shelf components.It allows nanostructuring within seconds.By optimizing process, minimum feature size down to approximately 85 nm was successfully realized.In addition,...

Special integrated photonic surface structures composed of a dielectric semicircle ridge and block placed on metal substrate are proposed for the investigation plasmon polariton (SPP) reflection transmission effects. A fabrication method called microscope projection photolithography was employed preparation structures. Leakage radiation microscopy applied excitation observation polaritons (SPPs). It observed that SPPs exhibit remarkable decrease in intensity when impinging onto rectangular...

In this work, we report on the application of polarization modulated spectroscopic ellipsometry-based surface plasmon resonance method for sensitive detection microorganisms in Kretschmann configuration. So far, rotating analyzer and single wavelength modulation methods have widely been investigated phase measurement. study, a much simpler optical setup relying fast electro-optic modulator crystals is introduced bacteria detection. A beta barium borate crystal connected to function generator...

Atomic force microscopy (AFM) nanoindentation and finite element (FE) simulation were employed to investigate the nanoscale mechanical properties of PMMA at different temperatures. The elastic modulus hardness plate decreased with increasing ambient temperature. residual depth was predicted by means FE analysis AFM nanoindentation. effect yield strength tangent on discussed.

Abstract Magnonics, or spin waves, are one of the most promising candidate technologies for information processing beyond complementary metal oxide semiconductors. Information encoded by which uses frequency, amplitude and/or phase to encode information, has a great many advantages such as extremely low energy loss and wideband frequency. Moreover, nonlinear characteristics waves can enhance extra degrees freedom information. A typical wave device consists source (transmitter), waveguide...

A thermo-optically tunable fiber ring laser has been constructed. The is based on a polymer-spaced Fabry-Pérot (F-P) étalon with cavity length of 470-µm and an ultra-low polarization-dependent loss (PDL) <0.1 dB. wavelength tuning range ~1.4 nm high stability ~0.02 have demonstrated without involving any moving mechanical parts. Such nonmechanical structure leads to reduced device size allows easy packaging due the PDL element.

In this work, we demonstrate a fabrication strategy for micro- and nanooptical structures by integrating UV-nanoimprint lithography (NIL) towards two-photon polymerization (2PP) cost-effective scalable production. Herein, 2PP was first employed to create the structures. These were then used as master molds subsequent UV-NIL process high-throughput replication. With strategy, various with dimensions from sub-micrometer centimeter scales produced replicated. High-quality UV imprinting of...

The predecessor of China Optics was and Applied Digest, which founded in 1985. At that time, it the only retrieval journal field optics China. end 2008, Digest renamed

A simple and cost-effective UV-LED-based microscope projection lithography technique for the manufacturing of optical plasmonic devices as well their functionalities is demonstrated.

Two-photon polymerization (2PP) has attracted tremendous attention in fabrication of micro- and nanostructures during the last two decades because its great capabilities achieving structures with high resolution almost without geometric constraints. Nanofabrication by 2PP allows to generate feature sizes below diffraction limit laser wavelength, so it is very attractive for application production 2D 3D photonic devices. However, gets increasingly challenging when comes 150 nm. In this work,...

Small-scale optical components with micron or submicron features have grown in popularity recent years. High-quality, high-efficient, and cost-effective processing approaches for polymer optics mass production are an urgent need. In this study, ultrasonic vibration will be introduced embossing. The major advantage is that the required energy can provided process times ranging from a few hundred milliseconds to seconds, at exactly location so structures surrounding area not affected. Due...

The main objective of this research was to study the effects different specified trucks on bridge rating with load and resistance factor (LRFR) procedure. Twelve were selected for study, which include one AASHTO design truck, three legal trucks, eight state trucks. These applied 16 Tennessee Dept. Transportation bridges obtain LRFR ratings. covered four commonly used types, including prestressed I-beam bridges; box beam cast-in-place T-beam steel bridges. results revealed that (1) ratings...

Two-photon polymerization (2PP) is a promising technique for additive manufacturing of 2D and 3D polymer structures with tailored physical properties. It provides the possibility to create structured samples nearly arbitrary geometries. However, potential this achieve high resolution below diffraction limit complex geometries surface quality not yet fully exploited. In work, gratings controllable parameters, specially designed circularly symmetrical curved surfaces photonic resonators...