Results 61 to 70 of about 26,334 (245)

Orbital Angular Momentum generation in infrared with Holographic Optical Elements [PDF]

EPJ Web of Conferences
Optical vortices are of interest in the infrared range for applications in the fields of optical fiber communications and femtosecond laser pulses. Among the current techniques used to generate optical vortices, the use of a Spatial Light Modulator (SLM)
Marín-Sáez Julia, Sevilla Marina, Paredes Álvaro, Collados Victoria, Atencia Jesús   +4 more
doaj   +1 more source

Holographic Optical Elements for Augmented Reality: Principles, Present Status, and Future Perspectives

Advanced Photonics Research, 2021
Holographic optical elements (HOEs) exhibit several unique properties in arbitrary wavefront recording and extraction. Versatile recording mechanisms and material availabilities further expand their design flexibilities.
Jianghao Xiong, Kun Yin, Kun Li, Shin-Tson Wu   +3 more
doaj   +1 more source

Computer-Generated Holographic Optical Tweezer Arrays

, 2000
Holographic techniques significantly extend the capabilities of laser tweezing, making possible extended trapping patterns for manipulating large numbers of particles and volumes of soft matter.
Dearing, Matthew T., Dufresne, Eric R., Grier, David G., Sheets, Steven A., Spalding, Gabriel C.   +4 more
core   +1 more source

Particle tracking stereomicroscopy in optical tweezers: control of trap shape [PDF]

, 2010
We present an optical system capable of generating stereoscopic images to track trapped particles in three dimensions. Two-dimensional particle tracking on each image yields three dimensional position information.
Asavei, Ashkin, Ashkin, Cheong, Cizmar, Crocker, Dam, Dam, Galajda, Gibson, Graham Gibson, Grier, Ikin, Leach, Leach, Lee, McLeod, Miles Padgett, Otto, O’Neil, Pacoret, Pavani, Pavani, Perch-Nielsen, Preece, Reicherter, Richard Bowman, Rodrigo, Rodrigo, Rohrbach, Sinclair, Singer, Speidel, Svoboda, Zhang   +34 more
core   +1 more source

All‐Dielectric Meta‐Optics for High‐Efficiency Independent Amplitude and Phase Manipulation

Advanced Photonics Research, 2022
Optical metasurfaces, composed of subwavelength scattering elements, demonstrate remarkable control over the transmitted amplitude, phase, and polarization of light. However, manipulating the amplitude upon transmission, without the use of surface waves,
Brian O. Raeker, Hanyu Zheng, You Zhou, Ivan I. Kravchenko, Jason Valentine, Anthony Grbic   +5 more
doaj   +1 more source

Manipulating light at distance by a metasurface using momentum transformation

, 2014
A momentum conservation approach is introduced to manipulate light at distance using metasurfaces. Given a specified field existing on one side of the metasurface and specified desired field transmitted from the opposite side, a general momentum boundary
Caloz, Christophe, Salem, Mohamed A.
core   +1 more source

Holographic optical elements: Fabrication and testing [PDF]

The basic properties and use of holographic optical elements were investigated to design and construct wide-angle, Fourier-transform holographic optical systems for use in a Bragg-effect optical memory. The performance characteristics are described along
Ralston, L. M., Shareck, M., Zech, R. G.
core   +1 more source

Quantum teleportation of optical images with frequency conversion

, 2006
We describe a new version of continuous variables quantum holographic teleportation of optical images. Unlike the previously proposed scheme, it is based on the continuous variables quantum entanglement between the light fields of different frequencies ...
A. Furusawa, A. Gatti, B. Julsgaard, I. V. Sokolov, I. V. Sokolov, J. Huang, L. V. Magdenko, L. Vaidman, M. I. Kolobov, M. I. Kolobov, M. I. Kolobov, S. L. Braunstein, S. Tanzilli   +12 more
core   +1 more source

Holographic fabrication of reconfigurable diffractive elements [PDF]

EPJ Web of Conferences
The fabrication of Diffractive Optical Elements (DOEs) involves the analog patterning of material surfaces on the scale of light wavelength. This typically requires multi-step lithographic processes.
Reda Francesco, Salvatore Marcella, Januariyasa I Komang, Borbone Fabio, Oscurato Stefano Luigi   +4 more
doaj   +1 more source

Multifacet holographic optical elements [PDF]

New types of holographic optical elements, combining the flexibility of computer generated holograms with the large space bandwidth product and high diffraction efficiency of interferometrically recorded volume phase holograms, are demonstrated.
Case, S. K., Haugen, P. R.
core   +1 more source