Results 71 to 80 of about 5,099,090 (216)

High-Resolution Spectrometer-on-Chip Based on Digital Planar Holography

open access: yesIEEE Photonics Journal, 2011
Digital planar holography enables the creation of a new generation of integrated photonic circuits with desired transfer function. We give here, for the first time, the basis for designing computer-generated planar holograms and demonstrate their ...
Christophe Peroz   +9 more
doaj   +1 more source

Real-time terahertz meta-cryptography using polarization-multiplexed graphene-based computer-generated holograms

open access: yesNanophotonics, 2020
As one of the cutting-edge technologies in advanced information science, wave-based cryptography is a prerequisite to enable a plethora of secure encrypting platforms which can be realized by smart multiplexing techniques together with suitable ...
Rajabalipanah Hamid   +5 more
doaj   +1 more source

Single‐Pulse Femtosecond Laser 3D Multi‐Foci Light‐Field Engineering via Multi‐Layer Noise Threshold Filtering

open access: yesAdvanced Science, EarlyView.
This study presents a single‐pulse femtosecond laser strategy for three‐dimensional multi‐foci light‐field shaping and high‐throughput micro/nano manufacturing. The multi‐layer noise threshold filtering algorithm improves focal quality, while the multi‐layer over‐sampling algorithm increases focal density.
Shouyu Wu   +9 more
wiley   +1 more source

Reconfigurable Optical Interconnections Via Dynamic Computer-Generated Holograms [PDF]

open access: yes, 1996
A system is presented for optically providing one-to-many irregular interconnections, and strength-adjustable many-to-many irregular interconnections which may be provided with strengths (weights) w(sub ij) using multiple laser beams which address ...
Liu, Hua-Kuang, Zhou, Shao-Min
core  

Reconfigurable beams with arbitrary polarization and shape distributions at a given plane [PDF]

open access: yes, 2013
Methods for generating beams with arbitrary polarization based on the use of liquid crystal displays have recently attracted interest from a wide range of sources.
Carnicer González, Arturo   +3 more
core   +1 more source

Research on Nanometer Precision Measurement Method of High Order Even Aspheres

open access: yesApplied Sciences
Optical aspheres are demanded with extremely high precision to meet functional requirements in space telescopes, extreme ultraviolet lithography, and other modern large optical systems.
Hao Xu, Junfeng Liu, Shanyong Chen
doaj   +1 more source

LigHTS: Biomimetic Hydrogel Photo‐Fabrication for Imaging‐Based Ultra‐High‐Throughput Screening

open access: yesAdvanced Science, EarlyView.
LigHTS removes a key bottleneck for ultra‐high‐throughput screening (UHTS) by enabling biomimetic hydrogel microenvironments to be manufactured directly in standard multiwell plates. A single, collimated UV exposure with formulation‐tuned light penetration patterns an entire plate with UHTS‐grade uniformity (<20% CV), producing structured GelMA films ...
Alessandro Enrico   +7 more
wiley   +1 more source

Non-convex optimization for inverse problem solving in computer-generated holography

open access: yesLight: Science & Applications
Computer-generated holography is a promising technique that modulates user-defined wavefronts with digital holograms. Computing appropriate holograms with faithful reconstructions is not only a problem closely related to the fundamental basis of ...
Xiaomeng Sui   +3 more
doaj   +1 more source

Prepolymerization Enables On‐Demand Viscosity Tuning for Xolography of Soft Hydrogels

open access: yesAdvanced Science, EarlyView.
A facile in situ prepolymerization strategy enables on‐demand viscosity tuning across three orders of magnitude without external thickeners, transforming low‐viscosity resins into printable formulations for Xolography. The approach suppresses sedimentation, lowers curing dose, enables high‐fidelity support‐free fabrication, and produces advanced ...
Xichuan Li   +7 more
wiley   +1 more source

Mechanism of Direct Acoustic Construction and Gradient Properties Tuning

open access: yesAdvanced Science, EarlyView.
Directed acoustic construction enables omnidirectional gradient tuning of fingerprint‐inspired microstructures. By investigating the DAC mechanisms, diamond particles are found to enhance acoustic physical, mechanical, and chemical effects, promoting acoustic curing and broadening the range of gradient property tuning.
Dandan Wu   +6 more
wiley   +1 more source

Home - About - Disclaimer - Privacy