Results 81 to 90 of about 1,597 (185)

Aberration‐Corrected Holographic Optical Elements Based on Consistent Shapes of Printed Hogels

Advanced Photonics Research
Herein, a holographic optical element (HOE) printing technique which maintains shapes and sizes of hogels across diverse focal positions, and aberration‐corrected HOEs which are fabricated by it are proposed. The proposed HOE printer employs nonpixelated
Jiwoon Yeom, Jung Beom Choi, Geun Seop Choi, Kwang‐Soon Choi, Jisoo Hong   +4 more
doaj   +1 more source

Applications of augmented reality in cardiology till 2024: a comprehensive review of innovations and clinical impacts

Frontiers in Virtual Reality
IntroductionAugmented reality (AugR) is becoming a widely recognized and innovative platform in global healthcare. AugR has revolutionized cardiology by enhancing the understanding of cardiac structure and function.
Ibthisam Ismail Sharieff, Diviya Bharathi Ravikumar, Shashvat Joshi, Barath Prashanth Sivasubramanian, Rajat Gupta, Yash Garg, Umabalan Thirupathy, Ragavendar Saravanabavanandan, Siva Naga Yarrarapu, Vikramaditya R. Samala Venkata   +9 more
doaj   +1 more source

High-speed recording of full-parallax holographic stereograms by a parallel exposure system

, 2019
A full-parallax holographic stereogram, which is suitable for the holographic 3D printer (holoprinter), is being developed for the output device of 3D image hard copies of computer data.
Yamaguchi, Masahiro, ohyama, nagaaki, 山口, 雅浩, Endoh, Hideaki, Koyama, Takahiro, 大山, 永昭   +5 more
core   +1 more source

Holographic Volumetric Additive Manufacturing

3D printing has revolutionized the manufacturing of volumetric components and structures in many areas. Different technologies have been developed including light-induced techniques based on the photopolymerization of liquid resins.
Christophe Moser (3980159), Antoine Boniface (3963413), Andreas Gejl Madsen (17859578), Maria I. Álvarez-Castaño (17859575), Jorge Madrid-Wolff (14389077), Jesper Glückstad (3969506)   +5 more
core   +1 more source

AMoRE: Additive Manufacturing of RIS Elements

IEEE Access
A deep investigation of Reconfigurable Intelligent Surfaces (RIS) and Holographic MIMO (H-MIMO) surfaces in 5G and beyond systems requires numerous tests with various prototypes.
Andrey Tyarin, Kirill Glinskiy, Roman Zlobin, Aleksey Kureev, Evgeny Khorov   +4 more
doaj   +1 more source

Improving the color quality evaluation of holographic prints with light pillars

Optics Express
In order to study the influence of color difference contributed by different lightness, chroma, and hue differences on the human visual perception, 84 pairs of holographic prints from nine cigarette packaging products within 3.0 CIELAB color difference units were prepared.
Xuping, Gong, Min, Huang, Xiaoyu, Shang, Zhimin, Chen, Haiping, Dong, Xiu, Li   +5 more
openaire   +2 more sources

Creating 3d maps with the use of holography and 3d printing technique.

, 2012
Η παρούσα διπλωματική εργασία ασχολείται με την εφαρμογή των μεθόδων της Ολογραφίας και της Τρισδιάστατης Εκτύπωσης στην παραγωγή τρισδιάστατων χαρτών.
Goulas, Dimitrios G., Γούλας, Δημήτριος Γ.   +1 more
core   +1 more source

Opto-electronic high order feedback neural network

, 1990
A novel neural network design, in which nonlinearities are created by feedback, is described. It is called the HOFNET. The design is suitable for optical implementation because it is tolerant of the limited dynamic ranges present in optical systems.
Midwinter, J.E., Selviah, D.R., Mao, Z.Q.   +2 more
core  

Ultrafast laser processing of silk films by bulging and ablation for optical functional devices

Light: Advanced Manufacturing
Organic proteins are attractive owing to their unique optical properties, remarkable mechanical characteristics, and biocompatibility. Manufacturing multifunctional structures on organic protein films is essential for practical applications; however, the
Ming Qiao, Huimin Wang, Heng Guo, Ma Luo, Yuzhi Zhao, Haoze Han, Jianfeng Yan, Yingying Zhang   +7 more
doaj   +1 more source

Quantitative phase imaging verification in large field-of-view lensless holographic microscopy via two-photon 3D printing

Scientific Reports
Large field-of-view (FOV) microscopic imaging (over 100 mm2) with high lateral resolution (1–2 μm) plays a pivotal role in biomedicine and biophotonics, especially within the label-free regime.
Emilia Wdowiak, Mikołaj Rogalski, Piotr Arcab, Piotr Zdańkowski, Michał Józwik, Maciej Trusiak   +5 more
doaj   +1 more source