Results 271 to 280 of about 705,634 (314)

Holographic Lens Synthesis with Optical Fibers

Topical Meeting on Holography, 1986
Conventional lenses seldom have f-numbers below the value of 1.0 for well-known reasons. However, a holographic optical elements that behaves as a lense can be constructed so that its focal length is arbitrarily small relative to its aperture.
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High-resolution augmented reality 3D display with use of a lenticular lens array holographic optical element.

Journal of The Optical Society of America A-optics Image Science and Vision, 2019
An augmented reality (AR) three-dimensional (3D) display based on one-dimensional integral imaging (1DII), by using a lenticular lens array holographic optical element (LLA-HOE), is proposed.
Huan Deng, Cong Chen, Min-Yang He, Jiao-jiao Li, Hanle Zhang, Qiong‐Hua Wang   +5 more
semanticscholar   +1 more source

Lens design for holographic data storage systems

SPIE Proceedings, 2005
A pair of cascade lenses, a Fourier-transform lens and an imaging lens, is the key component in a volume holographic data-storage system (HDSS) for writing in and reading out the information in holographic recording material respectively. For a high-density holographic data-storage system, performances of these lenses are critical.
Ye Wang, Changjiang Liu, Yuhong Wan, Shiquan Tao   +3 more
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Holographic magnification system based on cylindrical lens

Optik, 2018
Abstract In this paper, we propose a holographic magnification system based on a cylindrical lens. The cylindrical lens has the function of converge and diverge beam only in the sagittal direction. The digital cylindrical lens consists of digital orthogonal cylindrical lenses on a spatial light modulator (SLM) and a solid cylindrical lens, and the ...
Dan Xiao, Rong Wei, Su-Juan Liu, Qiong-Hua Wang   +3 more
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Compact and lightweight optical see-through holographic near-eye display based on holographic lens

Displays (Guildford), 2021
Min-Yang He, Di Wang, Yan Xing, Yi Zheng, Hanle Zhang, Xiao-Li Ma, Rong-ying Yuan, Qiong‐Hua Wang   +7 more
semanticscholar   +1 more source

Imaging characteristics of a volume holographic lens

SPIE Proceedings, 2009
A volume holographic grating lens can reconstruct the three-dimensional information by conducting multiple optical slicing of an object based on Bragg selectivity of the volume holographic grating. In this paper, we employ the point-spread function of volume holographic imaging system to theoretically analyze its imaging resolution.
Jing Yang, Zhu-qing Jiang, Zhi-qiang Xu, Shao-jie Liu, Ya-jun Sun, Shi-quan Tao   +5 more
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Holographic lens for wide-FOV laser receiver

SPIE Proceedings, 1990
Light weight and compactness are critical requirements in the design of many optical systems and the use of holographic optics often provides an ideal solution to the size and weight problem. In this paper, the design and fabrication of a wide field-of-view (FOV) holographic lens for use in a laser receiver are described.
Anthony M. Tai, Michael T. Eismann, Bradley D. Neagle   +2 more
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Demonstration holograph for comparing an image lens and a real lens

American Journal of Physics, 1977
By making a holograph of a holograph, one can produce a picture in which the virtual image of a lens appears in front of a photographic plate while the images of various objects appear in or behind the plate. This virtual image of the lens has all the properties of an acutal lens when viewing these objects.
Mac Rugheimer, Larry D. Kirkpatrick
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Multi-Facet Holographic Lens with Parallel Axes

Workshop on Optical Fabrication and Testing, 1986
The characteristic of the method of the multiple exposures with the plate shifting is that parts of the optical system are fixed except the adjustment of the plate holder during the exposures. Thus the complicacies of the device and operation can be avoided. The multi-facet holographic lens with parallel axes (PMHL) can be manufactured by means of this
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Holographic Lens for Pilot's Head-Up Display

1974
Abstract : The report describes work on the fabrication of the full-scale holographic lens for a wide field of view (FOV) head-up display (HUD) system. The basic system parameters are a 25 degrees FOV, a 25 in. eye relief, and a 3 in. high by 5 in. wide exit pupil.
A. Graube, D. H. Close
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