Results 191 to 200 of about 59,771 (341)

Illegal drugs sensor: Performance evaluation and identification based on terahertz photonic crystal fiber. [PDF]

open access: yesPLoS One
Khandakar K   +7 more
europepmc   +1 more source

The Fabrication of a Photonic Crystal Fiber and Measurement of its Properties

open access: bronze, 2003
Jinchae Kim   +4 more
openalex   +1 more source

Phase Topology Stability of an Optical Vortex via an Electrically Controlled Twist‐Planar Oriented Liquid Crystal Fresnel Lens

open access: yesAdvanced Optical Materials, EarlyView.
A simple and efficient method for determining the stability of optical vortices via Fourier transform using a conventional spherical lens is presented. The theoretical and experimental results demonstrate a practical approach to directly and unambiguously measure the magnitude and sign of the topological charge of a beam without altering an ...
Elena Melnikova   +5 more
wiley   +1 more source

High Birefringence D-Shaped Germanium-Doped Photonic Crystal Fiber Sensor. [PDF]

open access: yesMicromachines (Basel), 2022
Zhao Q   +5 more
europepmc   +1 more source

Photonic crystal fibers; fundamental properties and applications within sensors [PDF]

open access: green, 2004
J.B. Jense   +9 more
openalex   +1 more source

Bi–Sb Co‐Alloying Tunes Photoexcited State Dynamics in (4FPEA)4AgBi1−xSbxI8 Layered Double Perovskites through Structural Confinement

open access: yesAdvanced Optical Materials, EarlyView.
Lead‐free double perovskites are emerging alternatives to lead‐halide analogues, leveraging low toxicity and highly tunable chemical compositions. These materials possess unique carrier dynamics, often governed by self‐trapped exciton (STE)‐mediated recombination.
Joshua K. G. Karlsson   +7 more
wiley   +1 more source

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