Results 41 to 50 of about 128,668 (300)
High numerical aperture holographic microscopy reconstruction with extended z range [PDF]
, 2015 An holographic microscopy reconstruction method compatible with high numerical aperture microscope objective (MO) up to NA=1.4 is proposed. After off axis and reference field curvature corrections, and after selection of the +1 grating order holographic ...
Donnarumma, Dario +3 more
core +4 more sources
Design and Application of Phase-Only Diffractive Optical Element Based on Non-Iterative Method
Photonics, 2022 In this study, we devised a method for the design of continuous phase-only holographic masks that map laser light to arbitrary target illumination patterns, which have a wide range of applications.
Kuo Shi, Gongjian Zhang
doaj +1 more source
Application of a liquid crystal spatial light modulator to laser marking [PDF]
, 2011 Laser marking is demonstrated using a nanosecond (ns) pulse duration laser in combination with a liquid crystal spatial light modulator to generate two-dimensional patterns directly onto thin films and bulk metal surfaces.
Beck, Rainer J +3 more
core +1 more source
Volume Holographic Optical Elements [PDF]
Optical Engineering, 2004 Optical engineering continues to impact more and more modern devices for communication, color display, data storage, illumination, and remote sensing in the new millenium. The amalgamation of modern optics and associated microelectronic technologies has paved the road to greatly enhance new optoelectronic devices with practical applications.
openaire +1 more source
Simultaneous reconstruction of phase and amplitude contrast from a single holographic record [PDF]
, 2009 We present a reconstruction technique for simultaneous retrieval of absorption and phase shifting properties of an object recorded by in-line holography.
Barton +17 more
core +1 more source
Full-Color Holographic Optical Elements for Augmented Reality Display
Holographic Materials and Applications, 2019 Holographic optical element is widely developed in augmented reality, virtual reality, and three-dimensional display application. Especially, the full-color HOE has been studied for the wearable device in these days.
Hui-Ying Wu, Changwon Shin, N. Kim
semanticscholar +1 more source
The Infrared Imaging Spectrograph (IRIS) for TMT: Volume phase holographic grating performance testing and discussion [PDF]
, 2014 Maximizing the grating efficiency is a key goal for the first light instrument IRIS (Infrared Imaging Spectrograph) currently being designed to sample the diffraction limit of the TMT (Thirty Meter Telescope). Volume Phase Holographic (VPH) gratings have
Chen, Shaojie +7 more
core +2 more sources
PhotonicsPhotopolymers, especially acrylate-based ones with low cost and simple preparation, are promising materials for high-efficiency holographic gratings. However, it is still challenging to achieve high-performance gratings, due to the influences of many ...
Ziyan Bai +9 more
doaj +1 more source
Geometric and physical configurations of meta‐atoms for advanced metasurface holography
InfoMat, 2021 Metasurfaces consisting of subwavelength structures, so‐called meta‐atoms, have steadily attracted considerable attention for advanced holography due to their advantages in terms of high‐resolution holographic images, large field of view, and compact ...
Joohoon Kim +5 more
doaj +1 more source
Holographic optical element to generate achromatic vortices [PDF]
Optics Express, 2013 A compound holographic optical element to generate achromatic vortices with high efficiency, based on the combination of two volume phase holograms, is designed and constructed. This element is compact and easy to align. It has high damage threshold, so it can be used with ultraintense laser pulses.
Atencia, Jes?s +4 more
openaire +5 more sources