Results 31 to 40 of about 208,317 (297)
APL Photonics, 2021 The tracking of small particles is an important but challenging task for biological applications such as disease diagnostics and medical research. Current methods are limited to the use of bulky instruments such as flow cytometers and microscopes.
Lu Peng +7 more
doaj +1 more source
An optical fiber hydrogen sensor using a palladium-coated ball lens [PDF]
, 2015 A self-referenced optical fiber refractometer using a ball lens as a sensor head has been developed and characterized. A 350-μm ball lens created at the tip of a single mode fiber has been coated with a 40-nm optically thin layer of palladium that reacts
Brooks, Simon J. +7 more
core +1 more source
A one-dimensional ultracold medium of extreme optical depth
, 2013 We report on the preparation of a one-dimensional ultracold medium in a hollow-core photonic crystal fiber, reaching an effective optical depth of 1000(150).
Blatt, Frank +2 more
core +1 more source
Fiber transport of spatially entangled photons [PDF]
, 2011 Entanglement in the spatial degrees of freedom of photons is an interesting resource for quantum information. For practical distribution of such entangled photons it is desireable to use an optical fiber, which in this case has to support multiple ...
E. R. Eliel +7 more
core +3 more sources
Position sensitive radiation detector [PDF]
, 1994 An apparatus and method are disclosed for detecting and locating the origin of a gamma ray in a medical diagnostic imaging system. At least one primary fiber, which is a scintillating optical fiber, is positioned to receive radiation from a gamma ray ...
Anderson, Jon A., Antich, Peter P.
core +1 more source
Refractive Index Sensing Using Helical Broken-Circular-Symmetry Core Microstructured Optical Fiber
Sensors, 2022 Helical twist provides an additional degree of freedom for controlling light in optical waveguides, expanding their applications in sensing. In this paper, we propose a helical broken-circular-symmetry core microstructured optical fiber for refractive ...
Mingjie Cui, Zhuo Wang, Changyuan Yu
doaj +1 more source
Strain sensing based on radiative emission-absorption mechanism using dye-doped polymer optical fiber [PDF]
, 2017 A stress sensor based on a dye-doped polymeric optical fiber is able to detect stress by simple comparison of two luminescence peaks from a pair of energy transfer organic dyes. Coumarin 540A (donor) and Rhodamine 6G (acceptor) were doped in the core and
R. Furukawa, S. Kamimura
core +2 more sources
Femtosecond Laser Structuring in Optical Fiber and Transparent Films
MATEC Web of Conferences, 2013 Femtosecond laser processing is optimized for writing optical circuits, optical resonators, and microfluidic devices inside the cladding of single-mode optical fiber that couple efficiently with the fiber core waveguide.
Herman Peter R. +4 more
doaj +1 more source
Suspended-core fibers for sensing applications [PDF]
, 2012 A brief review on suspended-core fibers for sensing applications is presented. A historical overview over the previous ten years about this special designed microstructure optical fiber is described.
Ferreira, Marta S. +4 more
core +1 more source
Coherent resonant interactions and slow light with molecules confined in photonic band-gap fibers
, 2004 We investigate resonant nonlinear optical interactions and demonstrate induced transparency in acetylene molecules in a hollow-core photonic band-gap fiber at 1.5$\mu$m.
Alexander L. Gaeta +8 more
core +1 more source