Results 21 to 30 of about 12,678 (263)
Computer-generated holograms [PDF]
Diffractive optical elements (DOEs) have many advantages over conventional ones. For a start, they are generally lighter, take up less room, and have a wider variety of properties. They can also be used to fabricate hybrid elements that modify polarization, compensate for dispersion, and so on.
openaire +1 more source
Broadband Holography via Structured Black Silicon Nano-Antennas
Computer-generated holograms have wide applications in different fields of optics, ranging from imaging, data storage, to security.Herein, we report a new method for the fabrication of large-scale computer-generated holograms from an inexpensive material,
Mohammed Sait +2 more
doaj +1 more source
3D computer generated medical holograms using spatial light modulators
The aim of this work is to electronically generate the diffraction patterns of medical images and then trying to optically reconstruct the corresponding holographs to be displayed in space.
Ahmed Sheet +6 more
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This paper presents the results of 15 years of studies in the field of terahertz holography at the Novosibirsk free electron laser. They cover two areas: research on obtaining holographic images in the terahertz range and the use of diffractive optical ...
Yulia Choporova +2 more
doaj +1 more source
High-space bandwidth product computer-generated holography using volume holography [PDF]
We suggest a method for coding high resolution computer-generated volume holograms. It involves splitting the computer-generated hologram into multiple holograms, each individually recorded as a volume hologram utilizing the maximal resolution available ...
Barhen, Jacob +3 more
core +1 more source
Nondiffracting images under coherent illumination [PDF]
The focal depth of an arbitrary image is extended by optimization of the amplitude and phase distributions over the entire image. We propose a general method that takes advantage of a detector’s (possibly nonlinear) response to incident intensity.
Rosen, Joseph, Salik, Boaz, Yariv, Amnon
core +2 more sources
Axicon is an interesting optical element for its optical properties. This paper presents an approach to dynamically generated tunable axicons with a spatial light modulator (SLM).
Zhongsheng Zhai +3 more
doaj +1 more source
Approximated Wavefront Composition for Computer-Generated Holograms Based on Tiny Logic Operations
Accelerating the calculation of computer-generated holograms (CGHs) is an urgent requirement for realizing practical electro-holography for three-dimensional (3D) displays.
Takashi Nishitsuji +3 more
doaj +1 more source
Computer-Generated Hologram Based on Reference Light Multiplexing for Holographic Display
In this article, we propose a reference light wave multiplexing scheme to increase the information capacity of computer-generated holograms. The holograms were generated by different reference light waves and superimposed together as a multiplexed ...
Dapu Pi, Juan Liu
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Photolithographic fabrication method of computer-generated holographic interferograms [PDF]
We consider the fabrication of high-quality interferogram-type diffractive optical elements with conventional photolithographic techniques and compare the results with those achievable with electron-beam lithography. The fringes associated with the phase
Byckling, Eero +6 more
core +1 more source

