Results 221 to 230 of about 465,453 (325)

From Brittle to Flexible: Influence of Glucose‐Based Additives on Cellulose Nanocrystal Self‐Assembly in Suspension and Dried Photonic Films

open access: yesAdvanced Optical Materials, EarlyView.
Cellulose nanocrystals (CNCs) self‐assemble in aqueous suspension into chiral nematic liquid crystals, resulting in structurally colored films upon drying. Here, the influence of sugar additives on CNC self‐assembly in suspension and in films are studied.
Buse Tatli   +5 more
wiley   +1 more source

Ultra-broadband on-chip twisted light emitter for optical communications. [PDF]

open access: yesLight Sci Appl, 2018
Xie Z   +9 more
europepmc   +1 more source

Scattering of Open Vortex Beams: Applications Towards Free Space Optical Communications

open access: green
Mursaleem Ansari   +6 more
openalex   +1 more source

The Basic Experiments in Ground-to-Satellite laser-based optical communications by Reflectors

open access: diamond, 2016
Toshiki Nakamura   +7 more
openalex   +1 more source

Modeling and Improving Geometric Accuracy in Projection Multiphoton Lithography

open access: yesAdvanced Optical Materials, EarlyView.
A numerical framework describing the optical and photochemical processes is developed to elucidate the origins of geometric deviations in projection multiphoton lithography. The results indicate that oxygen diffusion and inhibition, and DMD diffraction, lead to geometric distortions.
Anwarul Islam Akash   +2 more
wiley   +1 more source

Mitigating Singlet Exciton Back‐Transfer using 2D Spacer Layers for Perovskite‐Sensitised Upconversion

open access: yesAdvanced Optical Materials, EarlyView.
The efficiency of bulk perovskite‐sensitised upconversion is hindered by parasitic singlet back‐transfer. A 2D perovskite spacer layer is introduced to weaken this loss pathway by increasing the separation between the sensitiser and the emitter. The spacer layer enhances the upconversion efficiency at lower excitation powers and improves the stability ...
Nicholas P. Sloane   +10 more
wiley   +1 more source

High-speed and on-chip graphene blackbody emitters for optical communications by remote heat transfer. [PDF]

open access: yesNat Commun, 2018
Miyoshi Y   +8 more
europepmc   +1 more source

Soliton Solution, Bäcklund Transformation, and Conservation Laws for the Sasa-Satsuma Equation in the Optical Fiber Communications

open access: hybrid, 2010
Ying Liu   +7 more
openalex   +1 more source

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