A novel design of dynamic holographic stereogram with a curved array spatial light modulators (SLMs) is proposed. In general, it difficult to simultaneously achieve wide viewing angle and an available width for the digital display. Moreover, display system needs large optical numerical aperture where paraxial approximation fails, thus extremely planar SLM necessary in using previous methods. To solve this problem, our proposed composed SLMs obtain number data points reduce bandwidth SLMs....

We demonstrate a tabletop holographic display system for simultaneously serving continuous parallax 3.2-inch 360-degree three-dimensional image content to multiple observers at 45-degree oblique viewing circumference. To achieve this, localized windows are be seamlessly generated on the In proposed system, four synchronized high-speed digital micro-mirror displays optically configured comprise single 2 by multi-vision panel that enables size enlargement and time-division-multiplexing of...

The authors propose a method for the off-axis directional beaming of optical field diffracted by single subwavelength metal slit with dielectric surface gratings. In proposed method, gratings are optimally designed to directionally couple plasmon polariton modes induced into surrounding medium along specific direction. Design and analysis conducted based on rigorous coupled wave method. Their simulation shows oblique angle, 20.2°, respect axis angle can be changed adjusting grating periods.

A method for optical beam focusing by a single subwavelength metal slit surrounded surface gratings is proposed. In our proposed method, the period of each grating chirped so that radiation fields plasmon polaritons can be controlled to make spot at desired focal length. Through it numerically shown we which located several times wavelength distance from slit, and its length controlled.

Polaritonic crystals – periodic structures where the hybrid light–matter waves called polaritons can form Bloch states promise a deeply subdiffractional nanolight manipulation and enhanced light-matter interaction. In particular, in van der Waals materials boast extreme field confinement long lifetimes allowing for exploitation of wave phenomena at nanoscale. However, conventionally patterned nanostructures, are prone to severe scattering loss sharp material edges, making it challenging...

Abstract Optical Fourier surfaces (OFSs) are used for various applications, from diffractive optics to augmented reality (AR). However, the current methods of fabricating OFSs primarily rely on lithographic photochemical reactions and etching. These likely fabricate digitalized binary reliefs, which cannot match ideal surface profile OFSs. Such a is sum sinusoidal with spatial frequencies. As an exception, scanning probe lithography (SPL) found be compatible accessible pattern area created...

Abstract Optical Fourier surfaces (OFSs), characterized by sinusoidally profiled diffractive optical elements, can outperform traditional binary‐type counterparts minimizing noise through selectively driving diffraction at desired frequencies. While scanning probe lithography (SPL), gray‐scale electron beam (EBL), and holographic inscriptions are effective for fabricating OFSs, achieving full‐color diffractions fundamental efficiency limits is challenging. Here, an integrated manufacturing...

Abstract The seamless integration of multiple diffractive optical elements (DOEs) into a single‐level substrate has been the key for advancements in augmented reality (AR) technologies. Presently, serial‐type lithographic manipulations such as electron‐beam lithography can successfully provide deterministic route toward this end. large‐scale utilization these processes, however, is impractical owing to their high cost. holographic inscription photochromic materials offer an etching‐free and...

We present a novel digital holographic microscopy technique termed transflective in order to probe plasmonic beaming fields and view their platform structures. Here, we borrow the term, 'transflective', portmanteau meaning blend of transmission reflection according light-collecting condition, which is conventionally used liquid crystal display systems. Incorporating type with type, achieved by utilization polarization property coherent light waves, propose an application system probing beam...

A novel full parallax and viewing-angle enhanced computer-generated holographic (CGH) three-dimensional (3D) display system is proposed implemented by combining an integral lens array colorized synthetic phase holograms displayed on a phase-type spatial light modulator. For analyzing the limitations of our CGH 3D system, we provide some theoretical background introduce simple ray-tracing method for image reconstruction. From can get continuously varying images with viewing angle about +/-6...

We analyze and propose a thin-film patterning method based on Kretschmann's attenuated total reflection (ATR) configuration where the surface plasmon mode coupled waveguide modes into target photosensitive layer are generated. By analyzing stratified media with help of extended transfer matrix method, we numerically visualize electromagnetic fields waves modes. Through interference these modes, it is to be shown that our proposed can used in optical lithography, especially for methods....

A novel method for launching an Airy wave packet based on a metallic slit array with stepped-height is proposed. By appropriately adjusting the amplitude and phase of transmittance from array, beam can be launched in compact area. The used various applications, such as particle tweezing trapping, without need any optical components or bulky structure.

We propose an exact design, analysis, and visualization method for multiple surface plasmon resonance (MSPR) mode excitation phenomena a structure composed of optimized-thickness polymethyl-methacrylate layer gold thin-film layer. The proposed simulation is based on recursive transfer matrix (R-TMM) Gaussian angular spectrum decomposition. Our illustrates, under the Kretchmann-Raether attenuated total reflection (ATR) geometry, response angle-modulated incident beam. To verify results we...

A metal slit array arranged along a semicircular surface achieving subwavelength optical beam focusing the lateral direction is proposed. Taking into consideration plasmon polaritons that pass through array, we design with curvature. By use of genetic algorithm, size and corresponding curvature are to be determined. Based on our configuration, full width at half-maximum can achieved scale.

Abstract Aim: The aim of this biomechanical study was to assess the influence self‐tapping blades in terms primary implant stability between implants with and without using five different analytic methods, especially medium‐density bone. Materials methods: Two types dental (4 × 10 mm) were tested: non‐self‐tapping. fixture design including thread profiles exactly same two groups; only difference presence cutting on one half apical portion body. Solid rigid polyurethane blocks corresponding...

Since the 1990s, applications of holography and Fourier optics have been significantly expanded from spatial modulation light propagation to nanofabrication superlattices. Holographic mixing multiple beams is found be highly compatible with unprecedented engineering 1D, 2D, 3D superlattices, particularly at nanoscales. This essential for development champion photonic crystals working optical frequencies. However, these extensive efforts toward holographic declined failure obtain a crystal...

Abstract To avoid mixing of the undesired frequencies in a free‐space, point sources gratings, defined by spatially varying refractive index, should be sinusoidally rather than binarily arranged. This long‐lasting but gold standard lesson attainable from classical Fourier optics, however, is underutilized practical materialization mainly because most fabrication methods, developed thus far, are intrinsically compatible with binary sinusoidal grating. Recently, such design concept optical...

Plasmonic off axis beaming and focusing of light by the use asymmetric or non-periodic dielectric gratings around a metallic slit are experimentally demonstrated. The far-field probing was done holographic microscopy. While conventional near-field microscopes can probe only near-fields, our four-step phase-shift interferometer provides an efficient way reconstructing paths coming out from plasmonic devices. We hope experimental work contributes to practical applications plasmonics such as...

A nanoslit is capable of performing versatile functions in nanophotonic applications. In this invited paper, we discuss the physics and manipulation methods surface plasmon excitation such as directional switching at a nanoslit. Furthermore, enhancing light intensity passing through by employing embedded metallic nanoislands experimentally presented numerically analyzed.

Abstract Holographic Optical Elements (HOEs) employ refractive index (RI) modulation to manipulate light, establishing their widespread application in augmented and virtual reality technologies. Despite significant strides HOEs' fabrication, a comprehensive 3D examination measurement of these elements remain largely unexplored. This study targets this void by conducting an in‐depth exploration the RI distributions volume holographic gratings (VHGs), quintessential representative HOEs. Direct...