Volume holographic optical encryption and decryption in photorefractive LiNbO3:Fe crystal
Sign Up to like & getrecommendations! Published in 2019 at "Optics Communications"
DOI: 10.1016/j.optcom.2018.12.049
Abstract: Abstract We present general volume holographic encryption and decryption system by means of two wave mixing process that can apply to variety of diffraction domains, including the conventional Fourier hologram domain (using 4f-optical processor), the… read more here.
Keywords: encryption decryption; volume holographic; decryption; photorefractive linbo3 ... See more keywords
An edge-lit volume holographic optical element for an objective turret in a lensless digital holographic microscope
Sign Up to like & getrecommendations! Published in 2020 at "Scientific Reports"
DOI: 10.1038/s41598-020-71497-7
Abstract: In this paper, we propose and demonstrate the use of an edge-lit volume holographic optical element (EL-VHOE) as a reference waveguide to reduce the volume of a lensless digital holographic microscope. Additionally, a hybrid lensless… read more here.
Keywords: volume; microscope; reference; lit volume ... See more keywords
Volume holography-based abrupt autofocusing beam.
Sign Up to like & getrecommendations! Published in 2023 at "Applied optics"
DOI: 10.1364/ao.478371
Abstract: Volume holographic elements are excellent at shaping high-quality spatial and spectral modes. Many microscopy and laser-tissue interaction applications require precise delivery of optical energy at specific sites without affecting the peripheral regions. Owing to the… read more here.
Keywords: abrupt autofocusing; beam; microscopy; volume ... See more keywords
Advanced volume holographic filter to improve the SNR of polychromatic sources in a noisy environment.
Sign Up to like & getrecommendations! Published in 2021 at "Optics express"
DOI: 10.1364/oe.414217
Abstract: We present a new type of filter that improves the SNR of systems where polychromatic signal and noise are located at different distances within the same line of sight. The filter is based on holographic… read more here.
Keywords: advanced volume; volume; holographic filter; filter ... See more keywords
Pixelated volume holographic optical element for augmented reality 3D display.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.456824
Abstract: Augmented reality (AR) three-dimensional (3D) display is the hardware entrance of metaverse and attracts great interest. The fusion of physical world with 3D virtual images is non-trivial. In this paper, we proposed an AR 3D… read more here.
Keywords: holographic optical; optical element; display; pixelated volume ... See more keywords
Ultra-lightweight and wide field of view augmented reality virtual retina display based on optical fiber projector and volume holographic lens
Sign Up to like & getrecommendations! Published in 2019 at "Chinese Optics Letters"
DOI: 10.3788/col201917.090901
Abstract: A novel see-through virtual retina display (VRD) system is proposed in this Letter. An optical fiber projector is used as the thin-light-beam source, which is modified from a laser scan projector by separating the laser… read more here.
Keywords: fiber projector; projector; optical fiber; volume holographic ... See more keywords
Generation of femtosecond dual pulses by a transverse standing wave in a volume holographic grating
Sign Up to like & getrecommendations! Published in 2019 at "Chinese Optics Letters"
DOI: 10.3788/col201917.113201
Abstract: Based on Kogelnik’s coupled-wave theory, it is found that when a femtosecond pulse is incident on a transmitted volume holographic grating, two transverse standing waves along the grating vector direction will be generated inside the… read more here.
Keywords: dual pulses; femtosecond dual; holographic grating; volume holographic ... See more keywords