نتایج جستجو برای: holographic optical element

تعداد نتایج: 478315  

2016
Ali K. Yetisen Yunuen Montelongo Haider Butt

Articles you may be interested in Characterization of volume holographic recording in photopolymerizable nanoparticle-(thiol-ene) polymer composites at 404 nm All-optical fabrication of three-dimensional photonic crystals in photopolymers by multiplex-exposure holographic recording Appl. Holographic assembly of semiconductor CdSe quantum dots in polymer for volume Bragg grating structures with ...

Journal: :Optics express 2007
E Eriksson S Keen J Leach M Goksör M J Padgett

Holographic optical tweezers is a widely used technique to manipulate the individual positions of optically trapped micron-sized particles in a sample. The trap positions are changed by updating the holographic image displayed on a spatial light modulator. The updating process takes a finite time, resulting in a temporary decrease of the intensity, and thus the stiffness, of the optical trap. W...

2012
Juergen Klepp Christian Pruner Yasuo Tomita Peter Geltenbort Irena Drevenšek-Olenik Saso Gyergyek Joachim Kohlbrecher Martin Fally

Recent progress in the development of holographic gratings for neutron-optics applications is reviewed. We summarize the properties of gratings recorded in deuterated (poly)methylmethacrylate, holographic polymer-dispersed liquid crystals and nanoparticle-polymer composites revealed by diffraction experiments with slow neutrons. Existing and anticipated neutron-optical instrumentations based on...

2010
Hans I. Bjelkhagen Raymond K. Kostuk Quinn Y. J. Smithwick James Barabas Daniel E. Smalley

Image-based holographic stereogram rendering methods for holographic video have the attractive properties of moderate computational cost and correct handling of occlusions and translucent objects. These methods are also subject to the criticism that (like other stereograms) they do not present accommodation cues consistent with vergence cues and thus do not make use of one of the significant po...

Journal: :Applied Optics 2006

2002
Matthew J. Fisher John Ross Buschert

Holographic interferometry was used to study the vibration modes of a C4 handbell. Holographic interferograms were made of four of the vibration modes of the bell. Finite element analysis was used to create a preliminary model of the bell.

2011
Dae M. Kim T. A. Rabson Rajiv R. Shah F. K. Tittel

Real -time data storage and processing using optical techniques have been considered in recent years. Of particular interest are photosensitive electro-optic crystals which permit volume storage in the form of phase holograms, by means of a charge transfer process. A survey of the state of the art of such holographic memories is presented. The physical mechanism responsible for the formation of...

Journal: :Optics letters 2014
Keehoon Hong Jiwoon Yeom Changwon Jang Jisoo Hong Byoungho Lee

A novel system of optical see-through augmented reality (AR) is proposed by making use of a holographic optical element (HOE) with full-color and lens-array functions. The full-color lens-array HOE provides see-through property with three-dimensional (3D) virtual images, for it functions as a conventional lens array only for Bragg-matched lights. An HOE recording setup was built, and it recorde...

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