Results 11 to 20 of about 6,802,009 (374)
Phase gratings with tunable diffraction efficiency
Optics Express, 2016 We present a new principle for tuning the diffraction efficiency of an optical grating and its implementation in a micro-optical device. The overlap of two phase gratings is used to vary the effective phase shift and hence the diffraction efficiency.
Moritz, Stürmer +4 more
openaire +4 more sources
Optics Express, 2022 The overall efficiency and image uniformity are important criteria for augmented reality display. The conventional in-coupling grating design intending to improve only the first-order diffraction efficiency without considering the multiple interactions ...
Yinyue Lin +5 more
openalex +2 more sources
Diffraction Efficiency Characteristics for MEMS-Based Phase-Only Spatial Light Modulator with Nonlinear Phase Distribution [PDF]
Photonics, 2021 Micro-electro mechanical systems (MEMS)-based phase-only spatial light modulators (PLMs) have the potential to overcome the limited speed of liquid crystal on silicon (LCoS) spatial light modulators (SLMs) and operate at speeds faster than 10 kHz.
Remington S. Ketchum +1 more
openalex +2 more sources
Optics Express, 2021 Better performances of two-dimensional (2D) grating are required recently, such as polarization independence, high efficiency, wide bandwidth and so forth.
Bin Zhou +7 more
openalex +2 more sources
Optics Express, 2023 Holographic optical elements (HOEs) play an important role in augmented reality (AR) systems. However, the fabrication of full-color HOEs is difficult and the diffraction efficiency is low.
Long He +6 more
semanticscholar +1 more source
Broadband and Efficient Diffraction [PDF]
Advanced Optical Materials, 2013 Surface topography dictates the deterministic functionality of diffraction by a surface. In order to maximize the efficiency with which a diffractive optical component, such as a grating or a diffractive lens, directs light into a chosen order of diffraction, it is necessary that it be "blazed".
Ribot, Céline +8 more
openaire +3 more sources
Optics Express, 2021 A novel and effective simultaneous recording method, to the best of our knowledge, is proposed for improving the diffraction efficiency and uniformity of full-color holographic optical elements (HOE) using the Bayfol HX102 photopolymer.
Changwon Shin +6 more
semanticscholar +1 more source
Tailoring Third-Harmonic Diffraction Efficiency by Hybrid Modes in High-Q Metasurfaces.
Nano letters (Print), 2021 Metasurfaces are versatile tools for manipulating light; however, they have received little attention as devices for the efficient control of nonlinearly diffracted light. Here, we demonstrate nonlinear wavefront control through third-harmonic generation
K. Okhlopkov +11 more
semanticscholar +1 more source
Improvement in the diffraction efficiency of a polymer using an ionic liquid [PDF]
Journal of the Serbian Chemical Society, 2018 In this paper, photosensitive materials for information storage devices are presented. The polymers were prepared using surface relief-grating (SRG) fabrication with a diode-pumped solid-state (DPSS) laser of 532 nm, and the diffraction efficiency (DE ...
Kim Sung Ho, Attri Pankaj, Kim In Tae
doaj +1 more source
Design of Semiconductor Contact Grating Terahertz Source with Enhanced Diffraction Efficiency
Crystals, 2022 We report a semiconductor contact grating terahertz source design based on a rectangular profile for phase-matched terahertz generation in the long infrared pump wavelength range. The calculations show that the best diffraction efficiency can be achieved
Zoltán Tibai +4 more
doaj +1 more source